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diff: fix flag -B, cleanups and a couple more tests V2

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function                                             old     new   delta
diffreg                                             1157    1268    +111
uni_range                                             51       -     -51

Signed-off-by: Matheus Izvekov <mizvekov@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Matheus Izvekov
2010-01-21 18:58:03 -02:00
committed by Denys Vlasenko
parent feadfe742a
commit 6f99c91e43
2 changed files with 71 additions and 54 deletions
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31
testsuite/diff.tests
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@@ -44,6 +44,17 @@ testing "diff of stdin, twice" \
"" \
"stdin"
testing "diff of empty file against nonempty one" \
"diff -u - input | $TRIM_TAB" \
"\
--- -
+++ input
@@ -0,0 +1 @@
+a
" \
"a\n" \
""
testing "diff -b treats EOF as whitespace" \
'diff -ub - input; echo $?' \
"0\n" \
@@ -56,6 +67,26 @@ testing "diff -b treats all spaces as equal" \
"a \t c\n" \
"a\t \tc\n"
testing "diff -B ignores changes whose lines are all blank" \
'diff -uB - input; echo $?' \
"0\n" \
"a\n" \
"\na\n\n"
testing "diff -B does not ignore changes whose lines are not all blank" \
"diff -uB - input | $TRIM_TAB" \
"\
--- -
+++ input
@@ -1,3 +1 @@
-
-b
-
+a
" \
"a\n" \
"\nb\n\n"
testing "diff always takes context from old file" \
"diff -ub - input | $TRIM_TAB" \
"\