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Improve the strformat module (#17106)
* Improve the strformat module Improve documentation Use runnableExamples * Fix overflow error for low(int64) Add test * Use assert in runnableExamples * Improve tstrformat Put tests in proc & test VM Put tests in blocks Add c, js targets * Use doAssert in tests * Disable JS & VM tests
This commit is contained in:
konsumlamm
@@ -1,515 +1,501 @@
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discard """
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action: "run"
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output: '''Received (name: "Foo", species: "Bar")'''
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"""
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# issue #7632
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# xxx: test js target
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import genericstrformat
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import strutils, times
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import std/[strformat, strutils, times]
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proc main() =
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block: # issue #7632
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doAssert works(5) == "formatted 5"
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doAssert fails0(6) == "formatted 6"
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doAssert fails(7) == "formatted 7"
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doAssert fails2[0](8) == "formatted 8"
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doAssert works(5) == "formatted 5"
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doAssert fails0(6) == "formatted 6"
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doAssert fails(7) == "formatted 7"
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doAssert fails2[0](8) == "formatted 8"
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block: # other tests
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type Obj = object
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# other tests
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proc `$`(o: Obj): string = "foobar"
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import strformat
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# for custom types, formatValue needs to be overloaded.
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template formatValue(result: var string; value: Obj; specifier: string) =
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result.formatValue($value, specifier)
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type Obj = object
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var o: Obj
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doAssert fmt"{o}" == "foobar"
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doAssert fmt"{o:10}" == "foobar "
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proc `$`(o: Obj): string = "foobar"
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doAssert fmt"{o=}" == "o=foobar"
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doAssert fmt"{o=:10}" == "o=foobar "
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# for custom types, formatValue needs to be overloaded.
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template formatValue(result: var string; value: Obj; specifier: string) =
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result.formatValue($value, specifier)
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block: # see issue #7933
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var str = "abc"
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doAssert fmt">7.1 :: {str:>7.1}" == ">7.1 :: a"
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doAssert fmt">7.2 :: {str:>7.2}" == ">7.2 :: ab"
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doAssert fmt">7.3 :: {str:>7.3}" == ">7.3 :: abc"
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doAssert fmt">7.9 :: {str:>7.9}" == ">7.9 :: abc"
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doAssert fmt">7.0 :: {str:>7.0}" == ">7.0 :: "
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doAssert fmt" 7.1 :: {str:7.1}" == " 7.1 :: a "
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doAssert fmt" 7.2 :: {str:7.2}" == " 7.2 :: ab "
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doAssert fmt" 7.3 :: {str:7.3}" == " 7.3 :: abc "
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doAssert fmt" 7.9 :: {str:7.9}" == " 7.9 :: abc "
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doAssert fmt" 7.0 :: {str:7.0}" == " 7.0 :: "
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doAssert fmt"^7.1 :: {str:^7.1}" == "^7.1 :: a "
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doAssert fmt"^7.2 :: {str:^7.2}" == "^7.2 :: ab "
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doAssert fmt"^7.3 :: {str:^7.3}" == "^7.3 :: abc "
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doAssert fmt"^7.9 :: {str:^7.9}" == "^7.9 :: abc "
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doAssert fmt"^7.0 :: {str:^7.0}" == "^7.0 :: "
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var o: Obj
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doAssert fmt"{o}" == "foobar"
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doAssert fmt"{o:10}" == "foobar "
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doAssert fmt">7.1 :: {str=:>7.1}" == ">7.1 :: str= a"
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doAssert fmt">7.2 :: {str=:>7.2}" == ">7.2 :: str= ab"
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doAssert fmt">7.3 :: {str=:>7.3}" == ">7.3 :: str= abc"
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doAssert fmt">7.9 :: {str=:>7.9}" == ">7.9 :: str= abc"
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doAssert fmt">7.0 :: {str=:>7.0}" == ">7.0 :: str= "
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doAssert fmt" 7.1 :: {str=:7.1}" == " 7.1 :: str=a "
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doAssert fmt" 7.2 :: {str=:7.2}" == " 7.2 :: str=ab "
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doAssert fmt" 7.3 :: {str=:7.3}" == " 7.3 :: str=abc "
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doAssert fmt" 7.9 :: {str=:7.9}" == " 7.9 :: str=abc "
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doAssert fmt" 7.0 :: {str=:7.0}" == " 7.0 :: str= "
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doAssert fmt"^7.1 :: {str=:^7.1}" == "^7.1 :: str= a "
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doAssert fmt"^7.2 :: {str=:^7.2}" == "^7.2 :: str= ab "
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doAssert fmt"^7.3 :: {str=:^7.3}" == "^7.3 :: str= abc "
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doAssert fmt"^7.9 :: {str=:^7.9}" == "^7.9 :: str= abc "
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doAssert fmt"^7.0 :: {str=:^7.0}" == "^7.0 :: str= "
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str = "äöüe\u0309\u0319o\u0307\u0359"
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doAssert fmt"^7.1 :: {str:^7.1}" == "^7.1 :: ä "
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doAssert fmt"^7.2 :: {str:^7.2}" == "^7.2 :: äö "
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doAssert fmt"^7.3 :: {str:^7.3}" == "^7.3 :: äöü "
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doAssert fmt"^7.0 :: {str:^7.0}" == "^7.0 :: "
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doAssert fmt"{o=}" == "o=foobar"
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doAssert fmt"{o=:10}" == "o=foobar "
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doAssert fmt"^7.1 :: {str=:^7.1}" == "^7.1 :: str= ä "
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doAssert fmt"^7.2 :: {str=:^7.2}" == "^7.2 :: str= äö "
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doAssert fmt"^7.3 :: {str=:^7.3}" == "^7.3 :: str= äöü "
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doAssert fmt"^7.0 :: {str=:^7.0}" == "^7.0 :: str= "
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# this is actually wrong, but the unicode module has no support for graphemes
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doAssert fmt"^7.4 :: {str:^7.4}" == "^7.4 :: äöüe "
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doAssert fmt"^7.9 :: {str:^7.9}" == "^7.9 :: äöüe\u0309\u0319o\u0307\u0359"
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doAssert fmt"^7.4 :: {str=:^7.4}" == "^7.4 :: str= äöüe "
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doAssert fmt"^7.9 :: {str=:^7.9}" == "^7.9 :: str=äöüe\u0309\u0319o\u0307\u0359"
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# see issue #7933
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var str = "abc"
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doAssert fmt">7.1 :: {str:>7.1}" == ">7.1 :: a"
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doAssert fmt">7.2 :: {str:>7.2}" == ">7.2 :: ab"
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doAssert fmt">7.3 :: {str:>7.3}" == ">7.3 :: abc"
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doAssert fmt">7.9 :: {str:>7.9}" == ">7.9 :: abc"
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doAssert fmt">7.0 :: {str:>7.0}" == ">7.0 :: "
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doAssert fmt" 7.1 :: {str:7.1}" == " 7.1 :: a "
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doAssert fmt" 7.2 :: {str:7.2}" == " 7.2 :: ab "
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doAssert fmt" 7.3 :: {str:7.3}" == " 7.3 :: abc "
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doAssert fmt" 7.9 :: {str:7.9}" == " 7.9 :: abc "
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doAssert fmt" 7.0 :: {str:7.0}" == " 7.0 :: "
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doAssert fmt"^7.1 :: {str:^7.1}" == "^7.1 :: a "
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doAssert fmt"^7.2 :: {str:^7.2}" == "^7.2 :: ab "
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doAssert fmt"^7.3 :: {str:^7.3}" == "^7.3 :: abc "
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doAssert fmt"^7.9 :: {str:^7.9}" == "^7.9 :: abc "
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doAssert fmt"^7.0 :: {str:^7.0}" == "^7.0 :: "
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block: # see issue #7932
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doAssert fmt"{15:08}" == "00000015" # int, works
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doAssert fmt"{1.5:08}" == "000001.5" # float, works
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doAssert fmt"{1.5:0>8}" == "000001.5" # workaround using fill char works for positive floats
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doAssert fmt"{-1.5:0>8}" == "0000-1.5" # even that does not work for negative floats
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doAssert fmt"{-1.5:08}" == "-00001.5" # works
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doAssert fmt"{1.5:+08}" == "+00001.5" # works
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doAssert fmt"{1.5: 08}" == " 00001.5" # works
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doAssert fmt">7.1 :: {str=:>7.1}" == ">7.1 :: str= a"
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doAssert fmt">7.2 :: {str=:>7.2}" == ">7.2 :: str= ab"
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doAssert fmt">7.3 :: {str=:>7.3}" == ">7.3 :: str= abc"
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doAssert fmt">7.9 :: {str=:>7.9}" == ">7.9 :: str= abc"
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doAssert fmt">7.0 :: {str=:>7.0}" == ">7.0 :: str= "
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doAssert fmt" 7.1 :: {str=:7.1}" == " 7.1 :: str=a "
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doAssert fmt" 7.2 :: {str=:7.2}" == " 7.2 :: str=ab "
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doAssert fmt" 7.3 :: {str=:7.3}" == " 7.3 :: str=abc "
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doAssert fmt" 7.9 :: {str=:7.9}" == " 7.9 :: str=abc "
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doAssert fmt" 7.0 :: {str=:7.0}" == " 7.0 :: str= "
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doAssert fmt"^7.1 :: {str=:^7.1}" == "^7.1 :: str= a "
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doAssert fmt"^7.2 :: {str=:^7.2}" == "^7.2 :: str= ab "
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doAssert fmt"^7.3 :: {str=:^7.3}" == "^7.3 :: str= abc "
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doAssert fmt"^7.9 :: {str=:^7.9}" == "^7.9 :: str= abc "
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doAssert fmt"^7.0 :: {str=:^7.0}" == "^7.0 :: str= "
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str = "äöüe\u0309\u0319o\u0307\u0359"
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doAssert fmt"^7.1 :: {str:^7.1}" == "^7.1 :: ä "
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doAssert fmt"^7.2 :: {str:^7.2}" == "^7.2 :: äö "
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doAssert fmt"^7.3 :: {str:^7.3}" == "^7.3 :: äöü "
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doAssert fmt"^7.0 :: {str:^7.0}" == "^7.0 :: "
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doAssert fmt"{15=:08}" == "15=00000015" # int, works
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doAssert fmt"{1.5=:08}" == "1.5=000001.5" # float, works
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doAssert fmt"{1.5=:0>8}" == "1.5=000001.5" # workaround using fill char works for positive floats
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doAssert fmt"{-1.5=:0>8}" == "-1.5=0000-1.5" # even that does not work for negative floats
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doAssert fmt"{-1.5=:08}" == "-1.5=-00001.5" # works
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doAssert fmt"{1.5=:+08}" == "1.5=+00001.5" # works
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doAssert fmt"{1.5=: 08}" == "1.5= 00001.5" # works
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doAssert fmt"^7.1 :: {str=:^7.1}" == "^7.1 :: str= ä "
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doAssert fmt"^7.2 :: {str=:^7.2}" == "^7.2 :: str= äö "
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doAssert fmt"^7.3 :: {str=:^7.3}" == "^7.3 :: str= äöü "
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doAssert fmt"^7.0 :: {str=:^7.0}" == "^7.0 :: str= "
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# this is actually wrong, but the unicode module has no support for graphemes
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doAssert fmt"^7.4 :: {str:^7.4}" == "^7.4 :: äöüe "
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doAssert fmt"^7.9 :: {str:^7.9}" == "^7.9 :: äöüe\u0309\u0319o\u0307\u0359"
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block: # only add explicitly requested sign if value != -0.0 (neg zero)
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doAssert fmt"{-0.0:g}" == "-0"
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doAssert fmt"{-0.0:+g}" == "-0"
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doAssert fmt"{-0.0: g}" == "-0"
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doAssert fmt"{0.0:g}" == "0"
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doAssert fmt"{0.0:+g}" == "+0"
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doAssert fmt"{0.0: g}" == " 0"
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doAssert fmt"^7.4 :: {str=:^7.4}" == "^7.4 :: str= äöüe "
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doAssert fmt"^7.9 :: {str=:^7.9}" == "^7.9 :: str=äöüe\u0309\u0319o\u0307\u0359"
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doAssert fmt"{-0.0=:g}" == "-0.0=-0"
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doAssert fmt"{-0.0=:+g}" == "-0.0=-0"
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doAssert fmt"{-0.0=: g}" == "-0.0=-0"
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doAssert fmt"{0.0=:g}" == "0.0=0"
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doAssert fmt"{0.0=:+g}" == "0.0=+0"
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doAssert fmt"{0.0=: g}" == "0.0= 0"
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# see issue #7932
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doAssert fmt"{15:08}" == "00000015" # int, works
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doAssert fmt"{1.5:08}" == "000001.5" # float, works
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doAssert fmt"{1.5:0>8}" == "000001.5" # workaround using fill char works for positive floats
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doAssert fmt"{-1.5:0>8}" == "0000-1.5" # even that does not work for negative floats
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doAssert fmt"{-1.5:08}" == "-00001.5" # works
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doAssert fmt"{1.5:+08}" == "+00001.5" # works
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doAssert fmt"{1.5: 08}" == " 00001.5" # works
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block: # seq format
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let data1 = [1'i64, 10000'i64, 10000000'i64]
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let data2 = [10000000'i64, 100'i64, 1'i64]
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doAssert fmt"{15=:08}" == "15=00000015" # int, works
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doAssert fmt"{1.5=:08}" == "1.5=000001.5" # float, works
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doAssert fmt"{1.5=:0>8}" == "1.5=000001.5" # workaround using fill char works for positive floats
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doAssert fmt"{-1.5=:0>8}" == "-1.5=0000-1.5" # even that does not work for negative floats
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doAssert fmt"{-1.5=:08}" == "-1.5=-00001.5" # works
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doAssert fmt"{1.5=:+08}" == "1.5=+00001.5" # works
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doAssert fmt"{1.5=: 08}" == "1.5= 00001.5" # works
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proc formatValue(result: var string; value: (array|seq|openArray); specifier: string) =
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result.add "["
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for i, it in value:
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if i != 0:
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result.add ", "
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result.formatValue(it, specifier)
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result.add "]"
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# only add explicitly requested sign if value != -0.0 (neg zero)
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doAssert fmt"{-0.0:g}" == "-0"
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doAssert fmt"{-0.0:+g}" == "-0"
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doAssert fmt"{-0.0: g}" == "-0"
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doAssert fmt"{0.0:g}" == "0"
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doAssert fmt"{0.0:+g}" == "+0"
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doAssert fmt"{0.0: g}" == " 0"
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doAssert fmt"data1: {data1:8} #" == "data1: [ 1, 10000, 10000000] #"
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doAssert fmt"data2: {data2:8} =" == "data2: [10000000, 100, 1] ="
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doAssert fmt"{-0.0=:g}" == "-0.0=-0"
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doAssert fmt"{-0.0=:+g}" == "-0.0=-0"
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doAssert fmt"{-0.0=: g}" == "-0.0=-0"
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doAssert fmt"{0.0=:g}" == "0.0=0"
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doAssert fmt"{0.0=:+g}" == "0.0=+0"
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doAssert fmt"{0.0=: g}" == "0.0= 0"
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doAssert fmt"data1: {data1=:8} #" == "data1: data1=[ 1, 10000, 10000000] #"
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doAssert fmt"data2: {data2=:8} =" == "data2: data2=[10000000, 100, 1] ="
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# seq format
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block: # custom format Value
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type
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Vec2[T] = object
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x,y: T
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let data1 = [1'i64, 10000'i64, 10000000'i64]
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let data2 = [10000000'i64, 100'i64, 1'i64]
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proc formatValue(result: var string; value: (array|seq|openArray); specifier: string) =
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result.add "["
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for i, it in value:
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if i != 0:
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proc formatValue[T](result: var string; value: Vec2[T]; specifier: string) =
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result.add '['
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result.formatValue value.x, specifier
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result.add ", "
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result.formatValue(it, specifier)
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result.add "]"
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doAssert fmt"data1: {data1:8} #" == "data1: [ 1, 10000, 10000000] #"
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doAssert fmt"data2: {data2:8} =" == "data2: [10000000, 100, 1] ="
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doAssert fmt"data1: {data1=:8} #" == "data1: data1=[ 1, 10000, 10000000] #"
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doAssert fmt"data2: {data2=:8} =" == "data2: data2=[10000000, 100, 1] ="
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# custom format Value
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type
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Vec2[T] = object
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x,y: T
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proc formatValue[T](result: var string; value: Vec2[T]; specifier: string) =
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result.add '['
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result.formatValue value.x, specifier
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result.add ", "
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result.formatValue value.y, specifier
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result.add "]"
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let v1 = Vec2[float32](x:1.0, y: 2.0)
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let v2 = Vec2[int32](x:1, y: 1337)
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doAssert fmt"v1: {v1:+08} v2: {v2:>4}" == "v1: [+0000001, +0000002] v2: [ 1, 1337]"
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doAssert fmt"v1: {v1=:+08} v2: {v2=:>4}" == "v1: v1=[+0000001, +0000002] v2: v2=[ 1, 1337]"
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# bug #11012
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type
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Animal = object
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name, species: string
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AnimalRef = ref Animal
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proc print_object(animalAddr: AnimalRef) =
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echo fmt"Received {animalAddr[]}"
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print_object(AnimalRef(name: "Foo", species: "Bar"))
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# bug #11723
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let pos: Positive = 64
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doAssert fmt"{pos:3}" == " 64"
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doAssert fmt"{pos:3b}" == "1000000"
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doAssert fmt"{pos:3d}" == " 64"
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doAssert fmt"{pos:3o}" == "100"
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doAssert fmt"{pos:3x}" == " 40"
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doAssert fmt"{pos:3X}" == " 40"
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doAssert fmt"{pos=:3}" == "pos= 64"
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doAssert fmt"{pos=:3b}" == "pos=1000000"
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doAssert fmt"{pos=:3d}" == "pos= 64"
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doAssert fmt"{pos=:3o}" == "pos=100"
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doAssert fmt"{pos=:3x}" == "pos= 40"
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doAssert fmt"{pos=:3X}" == "pos= 40"
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let nat: Natural = 64
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doAssert fmt"{nat:3}" == " 64"
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doAssert fmt"{nat:3b}" == "1000000"
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doAssert fmt"{nat:3d}" == " 64"
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doAssert fmt"{nat:3o}" == "100"
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doAssert fmt"{nat:3x}" == " 40"
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doAssert fmt"{nat:3X}" == " 40"
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doAssert fmt"{nat=:3}" == "nat= 64"
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doAssert fmt"{nat=:3b}" == "nat=1000000"
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doAssert fmt"{nat=:3d}" == "nat= 64"
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doAssert fmt"{nat=:3o}" == "nat=100"
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doAssert fmt"{nat=:3x}" == "nat= 40"
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doAssert fmt"{nat=:3X}" == "nat= 40"
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# bug #12612
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proc my_proc =
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const value = "value"
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const a = &"{value}"
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doAssert a == value
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const b = &"{value=}"
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doAssert b == "value=" & value
|
||||
|
||||
my_proc()
|
||||
|
||||
block:
|
||||
template fmt(pattern: string; openCloseChar: char): untyped =
|
||||
fmt(pattern, openCloseChar, openCloseChar)
|
||||
|
||||
let
|
||||
testInt = 123
|
||||
testStr = "foobar"
|
||||
testFlt = 3.141592
|
||||
doAssert ">><<".fmt('<', '>') == "><"
|
||||
doAssert " >> << ".fmt('<', '>') == " > < "
|
||||
doAssert "<<>>".fmt('<', '>') == "<>"
|
||||
doAssert " << >> ".fmt('<', '>') == " < > "
|
||||
doAssert "''".fmt('\'') == "'"
|
||||
doAssert "''''".fmt('\'') == "''"
|
||||
doAssert "'' ''".fmt('\'') == "' '"
|
||||
doAssert "<testInt>".fmt('<', '>') == "123"
|
||||
doAssert "<testInt>".fmt('<', '>') == "123"
|
||||
doAssert "'testFlt:1.2f'".fmt('\'') == "3.14"
|
||||
doAssert "<testInt><testStr>".fmt('<', '>') == "123foobar"
|
||||
doAssert """ ""{"123+123"}"" """.fmt('"') == " \"{246}\" "
|
||||
doAssert "(((testFlt:1.2f)))((111))".fmt('(', ')') == "(3.14)(111)"
|
||||
doAssert """(()"foo" & "bar"())""".fmt(')', '(') == "(foobar)"
|
||||
doAssert "{}abc`testStr' `testFlt:1.2f' `1+1' ``".fmt('`', '\'') == "{}abcfoobar 3.14 2 `"
|
||||
doAssert """x = '"foo" & "bar"'
|
||||
y = '123 + 111'
|
||||
z = '3 in {2..7}'
|
||||
""".fmt('\'') ==
|
||||
"""x = foobar
|
||||
y = 234
|
||||
z = true
|
||||
"""
|
||||
|
||||
|
||||
# tests from the very own strformat documentation!
|
||||
|
||||
let msg = "hello"
|
||||
doAssert fmt"{msg}\n" == "hello\\n"
|
||||
|
||||
doAssert &"{msg}\n" == "hello\n"
|
||||
|
||||
doAssert fmt"{msg}{'\n'}" == "hello\n"
|
||||
doAssert fmt("{msg}\n") == "hello\n"
|
||||
doAssert "{msg}\n".fmt == "hello\n"
|
||||
|
||||
doAssert fmt"{msg=}\n" == "msg=hello\\n"
|
||||
|
||||
doAssert &"{msg=}\n" == "msg=hello\n"
|
||||
|
||||
doAssert fmt"{msg=}{'\n'}" == "msg=hello\n"
|
||||
doAssert fmt("{msg=}\n") == "msg=hello\n"
|
||||
doAssert "{msg=}\n".fmt == "msg=hello\n"
|
||||
|
||||
doAssert &"""{"abc":>4}""" == " abc"
|
||||
doAssert &"""{"abc":<4}""" == "abc "
|
||||
|
||||
doAssert fmt"{-12345:08}" == "-0012345"
|
||||
doAssert fmt"{-1:3}" == " -1"
|
||||
doAssert fmt"{-1:03}" == "-01"
|
||||
doAssert fmt"{16:#X}" == "0x10"
|
||||
|
||||
doAssert fmt"{123.456}" == "123.456"
|
||||
doAssert fmt"{123.456:>9.3f}" == " 123.456"
|
||||
doAssert fmt"{123.456:9.3f}" == " 123.456"
|
||||
doAssert fmt"{123.456:9.4f}" == " 123.4560"
|
||||
doAssert fmt"{123.456:>9.0f}" == " 123."
|
||||
doAssert fmt"{123.456:<9.4f}" == "123.4560 "
|
||||
|
||||
doAssert fmt"{123.456:e}" == "1.234560e+02"
|
||||
doAssert fmt"{123.456:>13e}" == " 1.234560e+02"
|
||||
doAssert fmt"{123.456:13e}" == " 1.234560e+02"
|
||||
|
||||
|
||||
doAssert &"""{"abc"=:>4}""" == "\"abc\"= abc"
|
||||
doAssert &"""{"abc"=:<4}""" == "\"abc\"=abc "
|
||||
|
||||
doAssert fmt"{-12345=:08}" == "-12345=-0012345"
|
||||
doAssert fmt"{-1=:3}" == "-1= -1"
|
||||
doAssert fmt"{-1=:03}" == "-1=-01"
|
||||
doAssert fmt"{16=:#X}" == "16=0x10"
|
||||
|
||||
doAssert fmt"{123.456=}" == "123.456=123.456"
|
||||
doAssert fmt"{123.456=:>9.3f}" == "123.456= 123.456"
|
||||
doAssert fmt"{123.456=:9.3f}" == "123.456= 123.456"
|
||||
doAssert fmt"{123.456=:9.4f}" == "123.456= 123.4560"
|
||||
doAssert fmt"{123.456=:>9.0f}" == "123.456= 123."
|
||||
doAssert fmt"{123.456=:<9.4f}" == "123.456=123.4560 "
|
||||
|
||||
doAssert fmt"{123.456=:e}" == "123.456=1.234560e+02"
|
||||
doAssert fmt"{123.456=:>13e}" == "123.456= 1.234560e+02"
|
||||
doAssert fmt"{123.456=:13e}" == "123.456= 1.234560e+02"
|
||||
|
||||
## tests for debug format string
|
||||
block:
|
||||
var name = "hello"
|
||||
let age = 21
|
||||
const hobby = "swim"
|
||||
doAssert fmt"{age*9 + 16=}" == "age*9 + 16=205"
|
||||
doAssert &"name: {name =}\nage: { age =: >7}\nhobby: { hobby= : 8}" ==
|
||||
"name: name =hello\nage: age = 21\nhobby: hobby= swim "
|
||||
doAssert fmt"{age == 12}" == "false"
|
||||
doAssert fmt"{name.toUpperAscii() = }" == "name.toUpperAscii() = HELLO"
|
||||
doAssert fmt"{name.toUpperAscii( ) = }" == "name.toUpperAscii( ) = HELLO"
|
||||
doAssert fmt"{ toUpperAscii( s = name ) = }" == " toUpperAscii( s = name ) = HELLO"
|
||||
doAssert fmt"{ strutils.toUpperAscii( s = name ) = }" == " strutils.toUpperAscii( s = name ) = HELLO"
|
||||
doAssert fmt"{age==12}" == "false"
|
||||
doAssert fmt"{age!= 12}" == "true"
|
||||
doAssert fmt"{age <= 12}" == "false"
|
||||
for i in 1 .. 10:
|
||||
doAssert fmt"{age.float =: .2f}" == "age.float = 21.00"
|
||||
doAssert fmt"{age.float() =:.3f}" == "age.float() =21.000"
|
||||
doAssert fmt"{float age= :.3f}" == "float age= 21.000"
|
||||
doAssert fmt"{12 == int(`!=`(age, 12))}" == "false"
|
||||
doAssert fmt"{0==1}" == "false"
|
||||
|
||||
|
||||
# It is space sensitive.
|
||||
block:
|
||||
let x = "12"
|
||||
doAssert fmt"{x=:}" == "x=12"
|
||||
doAssert fmt"{x=}" == "x=12"
|
||||
doAssert fmt"{x =:}" == "x =12"
|
||||
doAssert fmt"{x =}" == "x =12"
|
||||
doAssert fmt"{x= :}" == "x= 12"
|
||||
doAssert fmt"{x= }" == "x= 12"
|
||||
doAssert fmt"{x = :}" == "x = 12"
|
||||
doAssert fmt"{x = }" == "x = 12"
|
||||
doAssert fmt"{x = :}" == "x = 12"
|
||||
doAssert fmt"{x = }" == "x = 12"
|
||||
|
||||
block:
|
||||
let x = "hello"
|
||||
doAssert fmt"{x=}" == "x=hello"
|
||||
doAssert fmt"{x =}" == "x =hello"
|
||||
|
||||
|
||||
let y = 3.1415926
|
||||
doAssert fmt"{y=:.2f}" == fmt"y={y:.2f}"
|
||||
doAssert fmt"{y=}" == fmt"y={y}"
|
||||
doAssert fmt"{y = : <8}" == fmt"y = 3.14159 "
|
||||
|
||||
proc hello(a: string, b: float): int = 12
|
||||
template foo(a: string, b: float): int = 18
|
||||
|
||||
doAssert fmt"{hello(x, y)=}" == "hello(x, y)=12"
|
||||
doAssert fmt"{hello(x, y) =}" == "hello(x, y) =12"
|
||||
doAssert fmt"{hello(x, y)= }" == "hello(x, y)= 12"
|
||||
doAssert fmt"{hello(x, y) = }" == "hello(x, y) = 12"
|
||||
|
||||
doAssert fmt"{hello x, y=}" == "hello x, y=12"
|
||||
doAssert fmt"{hello x, y =}" == "hello x, y =12"
|
||||
doAssert fmt"{hello x, y= }" == "hello x, y= 12"
|
||||
doAssert fmt"{hello x, y = }" == "hello x, y = 12"
|
||||
|
||||
doAssert fmt"{x.hello(y)=}" == "x.hello(y)=12"
|
||||
doAssert fmt"{x.hello(y) =}" == "x.hello(y) =12"
|
||||
doAssert fmt"{x.hello(y)= }" == "x.hello(y)= 12"
|
||||
doAssert fmt"{x.hello(y) = }" == "x.hello(y) = 12"
|
||||
|
||||
doAssert fmt"{foo(x, y)=}" == "foo(x, y)=18"
|
||||
doAssert fmt"{foo(x, y) =}" == "foo(x, y) =18"
|
||||
doAssert fmt"{foo(x, y)= }" == "foo(x, y)= 18"
|
||||
doAssert fmt"{foo(x, y) = }" == "foo(x, y) = 18"
|
||||
|
||||
doAssert fmt"{x.foo(y)=}" == "x.foo(y)=18"
|
||||
doAssert fmt"{x.foo(y) =}" == "x.foo(y) =18"
|
||||
doAssert fmt"{x.foo(y)= }" == "x.foo(y)= 18"
|
||||
doAssert fmt"{x.foo(y) = }" == "x.foo(y) = 18"
|
||||
|
||||
block:
|
||||
template check(actual, expected: string) =
|
||||
doAssert actual == expected
|
||||
|
||||
# Basic tests
|
||||
let s = "string"
|
||||
check &"{0} {s}", "0 string"
|
||||
check &"{s[0..2].toUpperAscii}", "STR"
|
||||
check &"{-10:04}", "-010"
|
||||
check &"{-10:<04}", "-010"
|
||||
check &"{-10:>04}", "-010"
|
||||
check &"0x{10:02X}", "0x0A"
|
||||
|
||||
check &"{10:#04X}", "0x0A"
|
||||
|
||||
check &"""{"test":#>5}""", "#test"
|
||||
check &"""{"test":>5}""", " test"
|
||||
|
||||
check &"""{"test":#^7}""", "#test##"
|
||||
|
||||
check &"""{"test": <5}""", "test "
|
||||
check &"""{"test":<5}""", "test "
|
||||
check &"{1f:.3f}", "1.000"
|
||||
check &"Hello, {s}!", "Hello, string!"
|
||||
|
||||
# Tests for identifiers without parenthesis
|
||||
check &"{s} works{s}", "string worksstring"
|
||||
check &"{s:>7}", " string"
|
||||
doAssert(not compiles(&"{s_works}")) # parsed as identifier `s_works`
|
||||
|
||||
# Misc general tests
|
||||
check &"{{}}", "{}"
|
||||
check &"{0}%", "0%"
|
||||
check &"{0}%asdf", "0%asdf"
|
||||
check &("\n{\"\\n\"}\n"), "\n\n\n"
|
||||
check &"""{"abc"}s""", "abcs"
|
||||
|
||||
# String tests
|
||||
check &"""{"abc"}""", "abc"
|
||||
check &"""{"abc":>4}""", " abc"
|
||||
check &"""{"abc":<4}""", "abc "
|
||||
check &"""{"":>4}""", " "
|
||||
check &"""{"":<4}""", " "
|
||||
|
||||
# Int tests
|
||||
check &"{12345}", "12345"
|
||||
check &"{ - 12345}", "-12345"
|
||||
check &"{12345:6}", " 12345"
|
||||
check &"{12345:>6}", " 12345"
|
||||
check &"{12345:4}", "12345"
|
||||
check &"{12345:08}", "00012345"
|
||||
check &"{-12345:08}", "-0012345"
|
||||
check &"{0:0}", "0"
|
||||
check &"{0:02}", "00"
|
||||
check &"{-1:3}", " -1"
|
||||
check &"{-1:03}", "-01"
|
||||
check &"{10}", "10"
|
||||
check &"{16:#X}", "0x10"
|
||||
check &"{16:^#7X}", " 0x10 "
|
||||
check &"{16:^+#7X}", " +0x10 "
|
||||
|
||||
# Hex tests
|
||||
check &"{0:x}", "0"
|
||||
check &"{-0:x}", "0"
|
||||
check &"{255:x}", "ff"
|
||||
check &"{255:X}", "FF"
|
||||
check &"{-255:x}", "-ff"
|
||||
check &"{-255:X}", "-FF"
|
||||
check &"{255:x} uNaffeCteD CaSe", "ff uNaffeCteD CaSe"
|
||||
check &"{255:X} uNaffeCteD CaSe", "FF uNaffeCteD CaSe"
|
||||
check &"{255:4x}", " ff"
|
||||
check &"{255:04x}", "00ff"
|
||||
check &"{-255:4x}", " -ff"
|
||||
check &"{-255:04x}", "-0ff"
|
||||
|
||||
# Float tests
|
||||
check &"{123.456}", "123.456"
|
||||
check &"{-123.456}", "-123.456"
|
||||
check &"{123.456:.3f}", "123.456"
|
||||
check &"{123.456:+.3f}", "+123.456"
|
||||
check &"{-123.456:+.3f}", "-123.456"
|
||||
check &"{-123.456:.3f}", "-123.456"
|
||||
check &"{123.456:1g}", "123.456"
|
||||
check &"{123.456:.1f}", "123.5"
|
||||
check &"{123.456:.0f}", "123."
|
||||
check &"{123.456:>9.3f}", " 123.456"
|
||||
check &"{123.456:9.3f}", " 123.456"
|
||||
check &"{123.456:>9.4f}", " 123.4560"
|
||||
check &"{123.456:>9.0f}", " 123."
|
||||
check &"{123.456:<9.4f}", "123.4560 "
|
||||
|
||||
# Float (scientific) tests
|
||||
check &"{123.456:e}", "1.234560e+02"
|
||||
check &"{123.456:>13e}", " 1.234560e+02"
|
||||
check &"{123.456:<13e}", "1.234560e+02 "
|
||||
check &"{123.456:.1e}", "1.2e+02"
|
||||
check &"{123.456:.2e}", "1.23e+02"
|
||||
check &"{123.456:.3e}", "1.235e+02"
|
||||
|
||||
# Note: times.format adheres to the format protocol. Test that this
|
||||
# works:
|
||||
|
||||
var dt = initDateTime(01, mJan, 2000, 00, 00, 00)
|
||||
check &"{dt:yyyy-MM-dd}", "2000-01-01"
|
||||
|
||||
var tm = fromUnix(0)
|
||||
discard &"{tm}"
|
||||
|
||||
var noww = now()
|
||||
check &"{noww}", $noww
|
||||
|
||||
# Unicode string tests
|
||||
check &"""{"αβγ"}""", "αβγ"
|
||||
check &"""{"αβγ":>5}""", " αβγ"
|
||||
check &"""{"αβγ":<5}""", "αβγ "
|
||||
check &"""a{"a"}α{"α"}€{"€"}𐍈{"𐍈"}""", "aaαα€€𐍈𐍈"
|
||||
check &"""a{"a":2}α{"α":2}€{"€":2}𐍈{"𐍈":2}""", "aa αα €€ 𐍈𐍈 "
|
||||
# Invalid unicode sequences should be handled as plain strings.
|
||||
# Invalid examples taken from: https://stackoverflow.com/a/3886015/1804173
|
||||
let invalidUtf8 = [
|
||||
"\xc3\x28", "\xa0\xa1",
|
||||
"\xe2\x28\xa1", "\xe2\x82\x28",
|
||||
"\xf0\x28\x8c\xbc", "\xf0\x90\x28\xbc", "\xf0\x28\x8c\x28"
|
||||
]
|
||||
for s in invalidUtf8:
|
||||
check &"{s:>5}", repeat(" ", 5-s.len) & s
|
||||
|
||||
# bug #11089
|
||||
let flfoo: float = 1.0
|
||||
check &"{flfoo}", "1.0"
|
||||
|
||||
# bug #11092
|
||||
check &"{high(int64)}", "9223372036854775807"
|
||||
check &"{low(int64)}", "-9223372036854775808"
|
||||
|
||||
doAssert fmt"{'a'} {'b'}" == "a b"
|
||||
result.formatValue value.y, specifier
|
||||
result.add "]"
|
||||
|
||||
let v1 = Vec2[float32](x:1.0, y: 2.0)
|
||||
let v2 = Vec2[int32](x:1, y: 1337)
|
||||
doAssert fmt"v1: {v1:+08} v2: {v2:>4}" == "v1: [+0000001, +0000002] v2: [ 1, 1337]"
|
||||
doAssert fmt"v1: {v1=:+08} v2: {v2=:>4}" == "v1: v1=[+0000001, +0000002] v2: v2=[ 1, 1337]"
|
||||
|
||||
block: # bug #11012
|
||||
type
|
||||
Animal = object
|
||||
name, species: string
|
||||
AnimalRef = ref Animal
|
||||
|
||||
proc print_object(animalAddr: AnimalRef): string =
|
||||
fmt"Received {animalAddr[]}"
|
||||
|
||||
doAssert print_object(AnimalRef(name: "Foo", species: "Bar")) == """Received (name: "Foo", species: "Bar")"""
|
||||
|
||||
block: # bug #11723
|
||||
let pos: Positive = 64
|
||||
doAssert fmt"{pos:3}" == " 64"
|
||||
doAssert fmt"{pos:3b}" == "1000000"
|
||||
doAssert fmt"{pos:3d}" == " 64"
|
||||
doAssert fmt"{pos:3o}" == "100"
|
||||
doAssert fmt"{pos:3x}" == " 40"
|
||||
doAssert fmt"{pos:3X}" == " 40"
|
||||
|
||||
doAssert fmt"{pos=:3}" == "pos= 64"
|
||||
doAssert fmt"{pos=:3b}" == "pos=1000000"
|
||||
doAssert fmt"{pos=:3d}" == "pos= 64"
|
||||
doAssert fmt"{pos=:3o}" == "pos=100"
|
||||
doAssert fmt"{pos=:3x}" == "pos= 40"
|
||||
doAssert fmt"{pos=:3X}" == "pos= 40"
|
||||
|
||||
let nat: Natural = 64
|
||||
doAssert fmt"{nat:3}" == " 64"
|
||||
doAssert fmt"{nat:3b}" == "1000000"
|
||||
doAssert fmt"{nat:3d}" == " 64"
|
||||
doAssert fmt"{nat:3o}" == "100"
|
||||
doAssert fmt"{nat:3x}" == " 40"
|
||||
doAssert fmt"{nat:3X}" == " 40"
|
||||
|
||||
doAssert fmt"{nat=:3}" == "nat= 64"
|
||||
doAssert fmt"{nat=:3b}" == "nat=1000000"
|
||||
doAssert fmt"{nat=:3d}" == "nat= 64"
|
||||
doAssert fmt"{nat=:3o}" == "nat=100"
|
||||
doAssert fmt"{nat=:3x}" == "nat= 40"
|
||||
doAssert fmt"{nat=:3X}" == "nat= 40"
|
||||
|
||||
block: # bug #12612
|
||||
proc my_proc() =
|
||||
const value = "value"
|
||||
const a = &"{value}"
|
||||
doAssert a == value
|
||||
|
||||
const b = &"{value=}"
|
||||
doAssert b == "value=" & value
|
||||
|
||||
my_proc()
|
||||
|
||||
block:
|
||||
template fmt(pattern: string; openCloseChar: char): untyped =
|
||||
fmt(pattern, openCloseChar, openCloseChar)
|
||||
|
||||
let
|
||||
testInt = 123
|
||||
testStr = "foobar"
|
||||
testFlt = 3.141592
|
||||
doAssert ">><<".fmt('<', '>') == "><"
|
||||
doAssert " >> << ".fmt('<', '>') == " > < "
|
||||
doAssert "<<>>".fmt('<', '>') == "<>"
|
||||
doAssert " << >> ".fmt('<', '>') == " < > "
|
||||
doAssert "''".fmt('\'') == "'"
|
||||
doAssert "''''".fmt('\'') == "''"
|
||||
doAssert "'' ''".fmt('\'') == "' '"
|
||||
doAssert "<testInt>".fmt('<', '>') == "123"
|
||||
doAssert "<testInt>".fmt('<', '>') == "123"
|
||||
doAssert "'testFlt:1.2f'".fmt('\'') == "3.14"
|
||||
doAssert "<testInt><testStr>".fmt('<', '>') == "123foobar"
|
||||
doAssert """ ""{"123+123"}"" """.fmt('"') == " \"{246}\" "
|
||||
doAssert "(((testFlt:1.2f)))((111))".fmt('(', ')') == "(3.14)(111)"
|
||||
doAssert """(()"foo" & "bar"())""".fmt(')', '(') == "(foobar)"
|
||||
doAssert "{}abc`testStr' `testFlt:1.2f' `1+1' ``".fmt('`', '\'') == "{}abcfoobar 3.14 2 `"
|
||||
doAssert """x = '"foo" & "bar"'
|
||||
y = '123 + 111'
|
||||
z = '3 in {2..7}'
|
||||
""".fmt('\'') ==
|
||||
"""x = foobar
|
||||
y = 234
|
||||
z = true
|
||||
"""
|
||||
|
||||
block: # tests from the very own strformat documentation!
|
||||
let msg = "hello"
|
||||
doAssert fmt"{msg}\n" == "hello\\n"
|
||||
|
||||
doAssert &"{msg}\n" == "hello\n"
|
||||
|
||||
doAssert fmt"{msg}{'\n'}" == "hello\n"
|
||||
doAssert fmt("{msg}\n") == "hello\n"
|
||||
doAssert "{msg}\n".fmt == "hello\n"
|
||||
|
||||
doAssert fmt"{msg=}\n" == "msg=hello\\n"
|
||||
|
||||
doAssert &"{msg=}\n" == "msg=hello\n"
|
||||
|
||||
doAssert fmt"{msg=}{'\n'}" == "msg=hello\n"
|
||||
doAssert fmt("{msg=}\n") == "msg=hello\n"
|
||||
doAssert "{msg=}\n".fmt == "msg=hello\n"
|
||||
|
||||
doAssert &"""{"abc":>4}""" == " abc"
|
||||
doAssert &"""{"abc":<4}""" == "abc "
|
||||
|
||||
doAssert fmt"{-12345:08}" == "-0012345"
|
||||
doAssert fmt"{-1:3}" == " -1"
|
||||
doAssert fmt"{-1:03}" == "-01"
|
||||
doAssert fmt"{16:#X}" == "0x10"
|
||||
|
||||
doAssert fmt"{123.456}" == "123.456"
|
||||
doAssert fmt"{123.456:>9.3f}" == " 123.456"
|
||||
doAssert fmt"{123.456:9.3f}" == " 123.456"
|
||||
doAssert fmt"{123.456:9.4f}" == " 123.4560"
|
||||
doAssert fmt"{123.456:>9.0f}" == " 123."
|
||||
doAssert fmt"{123.456:<9.4f}" == "123.4560 "
|
||||
|
||||
doAssert fmt"{123.456:e}" == "1.234560e+02"
|
||||
doAssert fmt"{123.456:>13e}" == " 1.234560e+02"
|
||||
doAssert fmt"{123.456:13e}" == " 1.234560e+02"
|
||||
|
||||
doAssert &"""{"abc"=:>4}""" == "\"abc\"= abc"
|
||||
doAssert &"""{"abc"=:<4}""" == "\"abc\"=abc "
|
||||
|
||||
doAssert fmt"{-12345=:08}" == "-12345=-0012345"
|
||||
doAssert fmt"{-1=:3}" == "-1= -1"
|
||||
doAssert fmt"{-1=:03}" == "-1=-01"
|
||||
doAssert fmt"{16=:#X}" == "16=0x10"
|
||||
|
||||
doAssert fmt"{123.456=}" == "123.456=123.456"
|
||||
doAssert fmt"{123.456=:>9.3f}" == "123.456= 123.456"
|
||||
doAssert fmt"{123.456=:9.3f}" == "123.456= 123.456"
|
||||
doAssert fmt"{123.456=:9.4f}" == "123.456= 123.4560"
|
||||
doAssert fmt"{123.456=:>9.0f}" == "123.456= 123."
|
||||
doAssert fmt"{123.456=:<9.4f}" == "123.456=123.4560 "
|
||||
|
||||
doAssert fmt"{123.456=:e}" == "123.456=1.234560e+02"
|
||||
doAssert fmt"{123.456=:>13e}" == "123.456= 1.234560e+02"
|
||||
doAssert fmt"{123.456=:13e}" == "123.456= 1.234560e+02"
|
||||
|
||||
block: # tests for debug format string
|
||||
var name = "hello"
|
||||
let age = 21
|
||||
const hobby = "swim"
|
||||
doAssert fmt"{age*9 + 16=}" == "age*9 + 16=205"
|
||||
doAssert &"name: {name =}\nage: { age =: >7}\nhobby: { hobby= : 8}" ==
|
||||
"name: name =hello\nage: age = 21\nhobby: hobby= swim "
|
||||
doAssert fmt"{age == 12}" == "false"
|
||||
doAssert fmt"{name.toUpperAscii() = }" == "name.toUpperAscii() = HELLO"
|
||||
doAssert fmt"{name.toUpperAscii( ) = }" == "name.toUpperAscii( ) = HELLO"
|
||||
doAssert fmt"{ toUpperAscii( s = name ) = }" == " toUpperAscii( s = name ) = HELLO"
|
||||
doAssert fmt"{ strutils.toUpperAscii( s = name ) = }" == " strutils.toUpperAscii( s = name ) = HELLO"
|
||||
doAssert fmt"{age==12}" == "false"
|
||||
doAssert fmt"{age!= 12}" == "true"
|
||||
doAssert fmt"{age <= 12}" == "false"
|
||||
for i in 1 .. 10:
|
||||
doAssert fmt"{age.float =: .2f}" == "age.float = 21.00"
|
||||
doAssert fmt"{age.float() =:.3f}" == "age.float() =21.000"
|
||||
doAssert fmt"{float age= :.3f}" == "float age= 21.000"
|
||||
doAssert fmt"{12 == int(`!=`(age, 12))}" == "false"
|
||||
doAssert fmt"{0==1}" == "false"
|
||||
|
||||
block: # It is space sensitive.
|
||||
let x = "12"
|
||||
doAssert fmt"{x=:}" == "x=12"
|
||||
doAssert fmt"{x=}" == "x=12"
|
||||
doAssert fmt"{x =:}" == "x =12"
|
||||
doAssert fmt"{x =}" == "x =12"
|
||||
doAssert fmt"{x= :}" == "x= 12"
|
||||
doAssert fmt"{x= }" == "x= 12"
|
||||
doAssert fmt"{x = :}" == "x = 12"
|
||||
doAssert fmt"{x = }" == "x = 12"
|
||||
doAssert fmt"{x = :}" == "x = 12"
|
||||
doAssert fmt"{x = }" == "x = 12"
|
||||
|
||||
block:
|
||||
let x = "hello"
|
||||
doAssert fmt"{x=}" == "x=hello"
|
||||
doAssert fmt"{x =}" == "x =hello"
|
||||
|
||||
let y = 3.1415926
|
||||
doAssert fmt"{y=:.2f}" == fmt"y={y:.2f}"
|
||||
doAssert fmt"{y=}" == fmt"y={y}"
|
||||
doAssert fmt"{y = : <8}" == fmt"y = 3.14159 "
|
||||
|
||||
proc hello(a: string, b: float): int = 12
|
||||
template foo(a: string, b: float): int = 18
|
||||
|
||||
doAssert fmt"{hello(x, y)=}" == "hello(x, y)=12"
|
||||
doAssert fmt"{hello(x, y) =}" == "hello(x, y) =12"
|
||||
doAssert fmt"{hello(x, y)= }" == "hello(x, y)= 12"
|
||||
doAssert fmt"{hello(x, y) = }" == "hello(x, y) = 12"
|
||||
|
||||
doAssert fmt"{hello x, y=}" == "hello x, y=12"
|
||||
doAssert fmt"{hello x, y =}" == "hello x, y =12"
|
||||
doAssert fmt"{hello x, y= }" == "hello x, y= 12"
|
||||
doAssert fmt"{hello x, y = }" == "hello x, y = 12"
|
||||
|
||||
doAssert fmt"{x.hello(y)=}" == "x.hello(y)=12"
|
||||
doAssert fmt"{x.hello(y) =}" == "x.hello(y) =12"
|
||||
doAssert fmt"{x.hello(y)= }" == "x.hello(y)= 12"
|
||||
doAssert fmt"{x.hello(y) = }" == "x.hello(y) = 12"
|
||||
|
||||
doAssert fmt"{foo(x, y)=}" == "foo(x, y)=18"
|
||||
doAssert fmt"{foo(x, y) =}" == "foo(x, y) =18"
|
||||
doAssert fmt"{foo(x, y)= }" == "foo(x, y)= 18"
|
||||
doAssert fmt"{foo(x, y) = }" == "foo(x, y) = 18"
|
||||
|
||||
doAssert fmt"{x.foo(y)=}" == "x.foo(y)=18"
|
||||
doAssert fmt"{x.foo(y) =}" == "x.foo(y) =18"
|
||||
doAssert fmt"{x.foo(y)= }" == "x.foo(y)= 18"
|
||||
doAssert fmt"{x.foo(y) = }" == "x.foo(y) = 18"
|
||||
|
||||
block:
|
||||
template check(actual, expected: string) =
|
||||
doAssert actual == expected
|
||||
|
||||
# Basic tests
|
||||
let s = "string"
|
||||
check &"{0} {s}", "0 string"
|
||||
check &"{s[0..2].toUpperAscii}", "STR"
|
||||
check &"{-10:04}", "-010"
|
||||
check &"{-10:<04}", "-010"
|
||||
check &"{-10:>04}", "-010"
|
||||
check &"0x{10:02X}", "0x0A"
|
||||
|
||||
check &"{10:#04X}", "0x0A"
|
||||
|
||||
check &"""{"test":#>5}""", "#test"
|
||||
check &"""{"test":>5}""", " test"
|
||||
|
||||
check &"""{"test":#^7}""", "#test##"
|
||||
|
||||
check &"""{"test": <5}""", "test "
|
||||
check &"""{"test":<5}""", "test "
|
||||
check &"{1f:.3f}", "1.000"
|
||||
check &"Hello, {s}!", "Hello, string!"
|
||||
|
||||
# Tests for identifiers without parenthesis
|
||||
check &"{s} works{s}", "string worksstring"
|
||||
check &"{s:>7}", " string"
|
||||
doAssert(not compiles(&"{s_works}")) # parsed as identifier `s_works`
|
||||
|
||||
# Misc general tests
|
||||
check &"{{}}", "{}"
|
||||
check &"{0}%", "0%"
|
||||
check &"{0}%asdf", "0%asdf"
|
||||
check &("\n{\"\\n\"}\n"), "\n\n\n"
|
||||
check &"""{"abc"}s""", "abcs"
|
||||
|
||||
# String tests
|
||||
check &"""{"abc"}""", "abc"
|
||||
check &"""{"abc":>4}""", " abc"
|
||||
check &"""{"abc":<4}""", "abc "
|
||||
check &"""{"":>4}""", " "
|
||||
check &"""{"":<4}""", " "
|
||||
|
||||
# Int tests
|
||||
check &"{12345}", "12345"
|
||||
check &"{ - 12345}", "-12345"
|
||||
check &"{12345:6}", " 12345"
|
||||
check &"{12345:>6}", " 12345"
|
||||
check &"{12345:4}", "12345"
|
||||
check &"{12345:08}", "00012345"
|
||||
check &"{-12345:08}", "-0012345"
|
||||
check &"{0:0}", "0"
|
||||
check &"{0:02}", "00"
|
||||
check &"{-1:3}", " -1"
|
||||
check &"{-1:03}", "-01"
|
||||
check &"{10}", "10"
|
||||
check &"{16:#X}", "0x10"
|
||||
check &"{16:^#7X}", " 0x10 "
|
||||
check &"{16:^+#7X}", " +0x10 "
|
||||
|
||||
# Hex tests
|
||||
check &"{0:x}", "0"
|
||||
check &"{-0:x}", "0"
|
||||
check &"{255:x}", "ff"
|
||||
check &"{255:X}", "FF"
|
||||
check &"{-255:x}", "-ff"
|
||||
check &"{-255:X}", "-FF"
|
||||
check &"{255:x} uNaffeCteD CaSe", "ff uNaffeCteD CaSe"
|
||||
check &"{255:X} uNaffeCteD CaSe", "FF uNaffeCteD CaSe"
|
||||
check &"{255:4x}", " ff"
|
||||
check &"{255:04x}", "00ff"
|
||||
check &"{-255:4x}", " -ff"
|
||||
check &"{-255:04x}", "-0ff"
|
||||
|
||||
# Float tests
|
||||
check &"{123.456}", "123.456"
|
||||
check &"{-123.456}", "-123.456"
|
||||
check &"{123.456:.3f}", "123.456"
|
||||
check &"{123.456:+.3f}", "+123.456"
|
||||
check &"{-123.456:+.3f}", "-123.456"
|
||||
check &"{-123.456:.3f}", "-123.456"
|
||||
check &"{123.456:1g}", "123.456"
|
||||
check &"{123.456:.1f}", "123.5"
|
||||
check &"{123.456:.0f}", "123."
|
||||
check &"{123.456:>9.3f}", " 123.456"
|
||||
check &"{123.456:9.3f}", " 123.456"
|
||||
check &"{123.456:>9.4f}", " 123.4560"
|
||||
check &"{123.456:>9.0f}", " 123."
|
||||
check &"{123.456:<9.4f}", "123.4560 "
|
||||
|
||||
# Float (scientific) tests
|
||||
check &"{123.456:e}", "1.234560e+02"
|
||||
check &"{123.456:>13e}", " 1.234560e+02"
|
||||
check &"{123.456:<13e}", "1.234560e+02 "
|
||||
check &"{123.456:.1e}", "1.2e+02"
|
||||
check &"{123.456:.2e}", "1.23e+02"
|
||||
check &"{123.456:.3e}", "1.235e+02"
|
||||
|
||||
# Note: times.format adheres to the format protocol. Test that this
|
||||
# works:
|
||||
|
||||
var dt = initDateTime(01, mJan, 2000, 00, 00, 00)
|
||||
check &"{dt:yyyy-MM-dd}", "2000-01-01"
|
||||
|
||||
var tm = fromUnix(0)
|
||||
discard &"{tm}"
|
||||
|
||||
var noww = now()
|
||||
check &"{noww}", $noww
|
||||
|
||||
# Unicode string tests
|
||||
check &"""{"αβγ"}""", "αβγ"
|
||||
check &"""{"αβγ":>5}""", " αβγ"
|
||||
check &"""{"αβγ":<5}""", "αβγ "
|
||||
check &"""a{"a"}α{"α"}€{"€"}𐍈{"𐍈"}""", "aaαα€€𐍈𐍈"
|
||||
check &"""a{"a":2}α{"α":2}€{"€":2}𐍈{"𐍈":2}""", "aa αα €€ 𐍈𐍈 "
|
||||
# Invalid unicode sequences should be handled as plain strings.
|
||||
# Invalid examples taken from: https://stackoverflow.com/a/3886015/1804173
|
||||
let invalidUtf8 = [
|
||||
"\xc3\x28", "\xa0\xa1",
|
||||
"\xe2\x28\xa1", "\xe2\x82\x28",
|
||||
"\xf0\x28\x8c\xbc", "\xf0\x90\x28\xbc", "\xf0\x28\x8c\x28"
|
||||
]
|
||||
for s in invalidUtf8:
|
||||
check &"{s:>5}", repeat(" ", 5-s.len) & s
|
||||
|
||||
# bug #11089
|
||||
let flfoo: float = 1.0
|
||||
check &"{flfoo}", "1.0"
|
||||
|
||||
# bug #11092
|
||||
check &"{high(int64)}", "9223372036854775807"
|
||||
check &"{low(int64)}", "-9223372036854775808"
|
||||
|
||||
doAssert fmt"{'a'} {'b'}" == "a b"
|
||||
|
||||
block: # test low(int64)
|
||||
doAssert &"{low(int64):-}" == "-9223372036854775808"
|
||||
|
||||
# xxx static: main()
|
||||
main()
|
||||
|
||||
Reference in New Issue
Block a user