vim-patch:8.0.0684: old style tests are not nice

Problem:    Old style tests are not nice.
Solution:   Turn two tests into new style. (pschuh, closes vim/vim#1797)

28b238225a

src/nvim/testdir/test_sha256.vim

@@ -0,0 +1,22 @@
+" Tests for the sha256() function.
+
+if !has('cryptv') || !exists('*sha256')
+  finish
+endif
+
+function Test_sha256()
+  " test for empty string:
+  call assert_equal(sha256(""), 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855')
+
+  "'test for 1 char:
+  call assert_equal(sha256("a"), 'ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb')
+  "
+  "test for 3 chars:
+  call assert_equal(sha256("abc"), 'ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad')
+
+  " test for contains meta char:
+  call assert_equal(sha256("foo\nbar"), '807eff6267f3f926a21d234f7b0cf867a86f47e07a532f15e8cc39ed110ca776')
+
+  " test for contains non-ascii char:
+  call assert_equal(sha256("\xde\xad\xbe\xef"), '5f78c33274e43fa9de5659265c1d917e25c03722dcb0b8d27db8d5feaa813953')
+endfunction

src/nvim/testdir/test_utf8_comparisons.vim

@@ -0,0 +1,95 @@
+" Tests for case-insensitive UTF-8 comparisons (utf_strnicmp() in mbyte.c)
+" Also test "g~ap".
+
+if !has("multi_byte")
+  finish
+endif
+
+function! Ch(a, op, b, expected)
+  call assert_equal(eval(printf('"%s" %s "%s"', a:a, a:op, a:b)), a:expected,
+        \ printf('"%s" %s "%s" should return %d', a:a, a:op, a:b, a:expected))
+endfunction
+
+function! Chk(a, b, result)
+  if a:result == 0
+    call Ch(a:a, '==?', a:b, 1)
+    call Ch(a:a, '!=?', a:b, 0)
+    call Ch(a:a, '<=?', a:b, 1)
+    call Ch(a:a, '>=?', a:b, 1)
+    call Ch(a:a, '<?', a:b, 0)
+    call Ch(a:a, '>?', a:b, 0)
+  elseif a:result > 0
+    call Ch(a:a, '==?', a:b, 0)
+    call Ch(a:a, '!=?', a:b, 1)
+    call Ch(a:a, '<=?', a:b, 0)
+    call Ch(a:a, '>=?', a:b, 1)
+    call Ch(a:a, '<?', a:b, 0)
+    call Ch(a:a, '>?', a:b, 1)
+  else
+    call Ch(a:a, '==?', a:b, 0)
+    call Ch(a:a, '!=?', a:b, 1)
+    call Ch(a:a, '<=?', a:b, 1)
+    call Ch(a:a, '>=?', a:b, 0)
+    call Ch(a:a, '<?', a:b, 1)
+    call Ch(a:a, '>?', a:b, 0)
+  endif
+endfunction
+
+function! Check(a, b, result)
+  call Chk(a:a, a:b, a:result)
+  call Chk(a:b, a:a, -a:result)
+endfunction
+
+function! LT(a, b)
+  call Check(a:a, a:b, -1)
+endfunction
+
+function! GT(a, b)
+  call Check(a:a, a:b, 1)
+endfunction
+
+function! EQ(a, b)
+  call Check(a:a, a:b, 0)
+endfunction
+
+function Test_comparisons()
+  call EQ('', '')
+  call LT('', 'a')
+  call EQ('abc', 'abc')
+  call EQ('Abc', 'abC')
+  call LT('ab', 'abc')
+  call LT('AB', 'abc')
+  call LT('ab', 'aBc')
+  call EQ('\xd0\xb9\xd1\x86\xd1\x83\xd0\xba\xd0\xb5\xd0\xbd', '\xd0\xb9\xd0\xa6\xd0\xa3\xd0\xba\xd0\x95\xd0\xbd')
+  call LT('\xd0\xb9\xd1\x86\xd1\x83\xd0\xba\xd0\xb5\xd0\xbd', '\xd0\xaf\xd1\x86\xd1\x83\xd0\xba\xd0\xb5\xd0\xbd')
+  call EQ('\xe2\x84\xaa', 'k')
+  call LT('\xe2\x84\xaa', 'kkkkkk')
+  call EQ('\xe2\x84\xaa\xe2\x84\xaa\xe2\x84\xaa', 'kkk')
+  call LT('kk', '\xe2\x84\xaa\xe2\x84\xaa\xe2\x84\xaa')
+  call EQ('\xe2\x84\xaa\xe2\x84\xa6k\xe2\x84\xaak\xcf\x89', 'k\xcf\x89\xe2\x84\xaakk\xe2\x84\xa6')
+  call EQ('Abc\x80', 'AbC\x80')
+  call LT('Abc\x80', 'AbC\x81')
+  call LT('Abc', 'AbC\x80')
+  call LT('abc\x80DEF', 'abc\x80def')  " case folding stops at the first bad character
+  call LT('\xc3XYZ', '\xc3xyz')
+  call EQ('\xef\xbc\xba', '\xef\xbd\x9a')  " FF3A (upper), FF5A (lower)
+  call GT('\xef\xbc\xba', '\xef\xbc\xff')  " first string is ok and equals \xef\xbd\x9a after folding, second string is illegal and was left unchanged, then the strings were bytewise compared
+  call LT('\xc3', '\xc3\x83')
+  call EQ('\xc3\xa3xYz', '\xc3\x83XyZ')
+  for n in range(0x60, 0xFF)
+    call LT(printf('xYz\x%.2X', n-1), printf('XyZ\x%.2X', n))
+  endfor
+  for n in range(0x80, 0xBF)
+    call EQ(printf('xYz\xc2\x%.2XUvW', n), printf('XyZ\xc2\x%.2XuVw', n))
+  endfor
+  for n in range(0xC0, 0xFF)
+    call LT(printf('xYz\xc2\x%.2XUvW', n), printf('XyZ\xc2\x%.2XuVw', n))
+  endfor
+endfunction
+
+" test that g~ap changes one paragraph only.
+function Test_gap()
+  new
+  call feedkeys("iabcd\n\ndefggg0g~ap", "tx")
+  call assert_equal(["ABCD", "", "defg"], getline(1,3))
+endfunction