test_description='word diff colors'
. ./test-lib.sh
+. "$TEST_DIRECTORY"/diff-lib.sh
cat >pre.simple <<-\EOF
h(4)
word_diff --word-diff=plain --word-diff=none
'
+test_expect_success 'unset default driver' '
+ test_unconfig diff.wordregex
+'
+
test_language_driver bibtex
test_language_driver cpp
test_language_driver csharp
word_diff --word-diff=plain
'
+test_expect_success 'setup history with two files' '
+ echo "a b; c" >a.tex &&
+ echo "a b; c" >z.txt &&
+ git add a.tex z.txt &&
+ git commit -minitial &&
+
+ # modify both
+ echo "a bx; c" >a.tex &&
+ echo "a bx; c" >z.txt &&
+ git commit -mmodified -a
+'
+
+test_expect_success 'wordRegex for the first file does not apply to the second' '
+ echo "*.tex diff=tex" >.gitattributes &&
+ git config diff.tex.wordRegex "[a-z]+|." &&
+ cat >expect <<-\EOF &&
+ diff --git a/a.tex b/a.tex
+ --- a/a.tex
+ +++ b/a.tex
+ @@ -1 +1 @@
+ a [-b-]{+bx+}; c
+ diff --git a/z.txt b/z.txt
+ --- a/z.txt
+ +++ b/z.txt
+ @@ -1 +1 @@
+ a [-b;-]{+bx;+} c
+ EOF
+ git diff --word-diff HEAD~ >actual &&
+ compare_diff_patch expect actual
+'
+
test_done