patch 7.4.1783v7.4.1783

Problem:    The old regexp engine doesn't handle character classes correctly.
            (Manuel Ortega)
Solution:   Use regmbc() instead of regc().  Add a test.

1 files changed, 56 insertions, 0 deletions

diff --git a/src/testdir/test_regexp_utf8.vim b/src/testdir/test_regexp_utf8.vim
index f5d7ec946..cef243677 100644
--- a/src/testdir/test_regexp_utf8.vim
+++ b/src/testdir/test_regexp_utf8.vim
@@ -33,3 +33,59 @@ func Test_equivalence_re2()
   set re=2
   call s:equivalence_test()
 endfunc
+
+func s:classes_test()
+  call assert_equal('Motörhead', matchstr('Motörhead', '[[:print:]]\+'))
+
+  let alphachars = ''
+  let lowerchars = ''
+  let upperchars = ''
+  let alnumchars = ''
+  let printchars = ''
+  let punctchars = ''
+  let xdigitchars = ''
+  let i = 1
+  while i <= 255
+    let c = nr2char(i)
+    if c =~ '[[:alpha:]]'
+      let alphachars .= c
+    endif
+    if c =~ '[[:lower:]]'
+      let lowerchars .= c
+    endif
+    if c =~ '[[:upper:]]'
+      let upperchars .= c
+    endif
+    if c =~ '[[:alnum:]]'
+      let alnumchars .= c
+    endif
+    if c =~ '[[:print:]]'
+      let printchars .= c
+    endif
+    if c =~ '[[:punct:]]'
+      let punctchars .= c
+    endif
+    if c =~ '[[:xdigit:]]'
+      let xdigitchars .= c
+    endif
+    let i += 1
+  endwhile
+
+  call assert_equal('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', alphachars)
+  call assert_equal('abcdefghijklmnopqrstuvwxyzµßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ', lowerchars)
+  call assert_equal('ABCDEFGHIJKLMNOPQRSTUVWXYZÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞ', upperchars)
+  call assert_equal('0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', alnumchars)
+  call assert_equal(' !"#$%&''()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ', printchars)
+  call assert_equal('!"#$%&''()*+,-./:;<=>?@[\]^_`{|}~', punctchars)
+  call assert_equal('0123456789ABCDEFabcdef', xdigitchars)
+endfunc
+
+func Test_classes_re1()
+  set re=1
+  call s:classes_test()
+endfunc
+
+func Test_classes_re2()
+  set re=2
+  call s:classes_test()
+endfunc