vim-patch:8.1.1909: more functions can be used as methods

Problem:    More functions can be used as methods.
Solution:   Make a few more functions usable as a method.
e49fbff384

runtime/doc/eval.txt

@@ -2929,18 +2929,22 @@ bufwinid({expr})					*bufwinid()*
 <
 		Only deals with the current tab page.
 
+		Can also be used as a |method|: >
+			FindBuffer()->bufwinid()
+
 bufwinnr({expr})					*bufwinnr()*
-		The result is a Number, which is the number of the first
+		Like |bufwinid()| but return the window number instead of the
-		window associated with buffer {expr}.  For the use of {expr},
+		|window-ID|.
-		see |bufname()| above.  If buffer {expr} doesn't exist or
+		If buffer {expr} doesn't exist or there is no such window, -1
-		there is no such window, -1 is returned.  Example: >
+		is returned.  Example: >
 
 	echo "A window containing buffer 1 is " . (bufwinnr(1))
 
 <		The number can be used with |CTRL-W_w| and ":wincmd w"
 		|:wincmd|.
-		Only deals with the current tab page.
 
+		Can also be used as a |method|: >
+			FindBuffer()->bufwinnr()
 
 byte2line({byte})					*byte2line()*
 		Return the line number that contains the character at byte
@@ -9618,6 +9622,9 @@ winbufnr({nr})	The result is a Number, which is the number of the buffer
 		When window {nr} doesn't exist, -1 is returned.
 		Example: >
   :echo "The file in the current window is " . bufname(winbufnr(0))
+<
+		Can also be used as a |method|: >
+			FindWindow()->winbufnr()->bufname()
 <
 							*wincol()*
 wincol()	The result is a Number, which is the virtual column of the

runtime/doc/testing.txt

@@ -83,6 +83,9 @@ assert_equalfile({fname-one}, {fname-two})
 		When {fname-one} or {fname-two} does not exist the error will
 		mention that.
 
+		Can also be used as a |method|: >
+			GetLog()->assert_equalfile('expected.log')
+
 assert_exception({error} [, {msg}])			*assert_exception()*
 		When v:exception does not contain the string {error} an error
 		message is added to |v:errors|.  Also see |assert-return|.
@@ -172,10 +175,15 @@ assert_notmatch({pattern}, {actual} [, {msg}])
 		Can also be used as a |method|: >
 			getFile()->assert_notmatch('bar.*')
 
+
 assert_report({msg})					*assert_report()*
 		Report a test failure directly, using {msg}.
 		Always returns one.
 
+		Can also be used as a |method|: >
+			GetMessage()->assert_report()
+
+
 assert_true({actual} [, {msg}])				*assert_true()*
 		When {actual} is not true an error message is added to
 		|v:errors|, like with |assert_equal()|.

src/nvim/eval.lua

@@ -35,7 +35,7 @@ return {
     asin={args=1, base=1, func="float_op_wrapper", data="&asin"},  -- WJMc
     assert_beeps={args={1}, base=1},
     assert_equal={args={2, 3}, base=2},
-    assert_equalfile={args={2, 3}},
+    assert_equalfile={args={2, 3}, base=1},
     assert_exception={args={1, 2}},
     assert_fails={args={1, 3}, base=1},
     assert_false={args={1, 2}, base=1},
@@ -44,7 +44,7 @@ return {
     assert_nobeep={args={1}},
     assert_notequal={args={2, 3}, base=2},
     assert_notmatch={args={2, 3}, base=2},
-    assert_report={args=1},
+    assert_report={args=1, base=1},
     assert_true={args={1, 2}, base=1},
     atan={args=1, base=1, func="float_op_wrapper", data="&atan"},
     atan2={args=2, base=1},
@@ -60,8 +60,8 @@ return {
     bufloaded={args=1, base=1},
     bufname={args={0, 1}, base=1},
     bufnr={args={0, 2}, base=1},
-    bufwinid={args=1},
+    bufwinid={args=1, base=1},
-    bufwinnr={args=1},
+    bufwinnr={args=1, base=1},
     byte2line={args=1},
     byteidx={args=2},
     byteidxcomp={args=2},
@@ -408,7 +408,7 @@ return {
     win_id2win={args=1},
     win_screenpos={args=1},
     win_splitmove={args={2, 3}},
-    winbufnr={args=1},
+    winbufnr={args=1, base=1},
     wincol={},
     windowsversion={},
     winheight={args=1},

src/nvim/testdir/test_assert.vim

@@ -7,7 +7,7 @@ func Test_assert_equalfile()
 
   let goodtext = ["one", "two", "three"]
   call writefile(goodtext, 'Xone')
-  call assert_equal(1, assert_equalfile('Xone', 'xyzxyz'))
+  call assert_equal(1, 'Xone'->assert_equalfile('xyzxyz'))
   call assert_match("E485: Can't read file xyzxyz", v:errors[0])
   call remove(v:errors, 0)
 

src/nvim/testdir/test_bufline.vim

@@ -131,11 +131,11 @@ func Test_appendbufline_redraw()
   endif
   let lines =<< trim END
     new foo
-    let winnr=bufwinnr('foo')
+    let winnr = 'foo'->bufwinnr()
-    let buf=bufnr('foo')
+    let buf = bufnr('foo')
     wincmd p
     call appendbufline(buf, '$', range(1,200))
-    exe winnr. 'wincmd w'
+    exe winnr .. 'wincmd w'
     norm! G
     wincmd p
     call deletebufline(buf, 1, '$')

src/nvim/testdir/test_bufwintabinfo.vim

@@ -18,7 +18,7 @@ function Test_getbufwintabinfo()
     let l = getbufinfo('%')
     call assert_equal(bufnr('%'), l[0].bufnr)
     call assert_equal('vim', l[0].variables.editor)
-    call assert_notequal(-1, index(l[0].windows, bufwinid('%')))
+    call assert_notequal(-1, index(l[0].windows, '%'->bufwinid()))
 
     " Test for getbufinfo() with 'bufmodified'
     call assert_equal(0, len(getbufinfo({'bufmodified' : 1})))

test/functional/legacy/assert_spec.lua

@@ -360,6 +360,13 @@ describe('assert function:', function()
       command('call remove(v:errors, 0)')
       expected_empty()
     end)
+
+    it('can be used as a method', function()
+      local tmpname = source [[
+        call assert_equal(1, 'also wrong'->assert_report())
+      ]]
+      expected_errors({tmpname .. ' line 1: also wrong'})
+    end)
   end)
 
   -- assert_exception({cmd}, [, {error}])