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authorMatheus Izvekov <mizvekov@gmail.com>2010-01-21 18:58:03 -0200
committerDenys Vlasenko <vda.linux@googlemail.com>2010-01-22 04:20:16 +0100
commit6f99c91e431a5afb90ac6d041ea9b08d39c965eb (patch)
treeb31cfab949982043ce993ec240731d2ca4cbc8a4 /testsuite
parentfeadfe742ae9cdc8ddeb425e2b7808c2905bfccb (diff)
downloadbusybox-6f99c91e431a5afb90ac6d041ea9b08d39c965eb.tar.gz
diff: fix flag -B, cleanups and a couple more tests V2
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>
Diffstat (limited to 'testsuite')
-rwxr-xr-xtestsuite/diff.tests31
1 files changed, 31 insertions, 0 deletions
diff --git a/testsuite/diff.tests b/testsuite/diff.tests
index f7bde2f5b..72ebb6c4c 100755
--- a/testsuite/diff.tests
+++ b/testsuite/diff.tests
@@ -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" \
"\