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-rwxr-xr-xt/t4006-diff-mode.sh68
1 files changed, 68 insertions, 0 deletions
diff --git a/t/t4006-diff-mode.sh b/t/t4006-diff-mode.sh
new file mode 100755
index 0000000..dbd4c0d
--- /dev/null
+++ b/t/t4006-diff-mode.sh
@@ -0,0 +1,68 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='Test mode change diffs.
+
+'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+sed_script='s/\(:100644 100755\) \('"$OID_REGEX"'\) \2 /\1 X X /'
+
+test_expect_success 'setup' '
+ echo frotz >rezrov &&
+ git update-index --add rezrov &&
+ tree=$(git write-tree) &&
+ echo $tree
+'
+
+test_expect_success 'chmod' '
+ test_chmod +x rezrov &&
+ git diff-index $tree >current &&
+ sed -e "$sed_script" <current >check &&
+ echo ":100644 100755 X X M rezrov" >expected &&
+ test_cmp expected check
+'
+
+test_expect_success 'prepare binary file' '
+ git commit -m one &&
+ test_commit --printf two binbin "\00\01\02\03\04\05\06"
+'
+
+test_expect_success '--stat output after text chmod' '
+ test_chmod -x rezrov &&
+ cat >expect <<-\EOF &&
+ rezrov | 0
+ 1 file changed, 0 insertions(+), 0 deletions(-)
+ EOF
+ git diff HEAD --stat >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success '--shortstat output after text chmod' '
+ tail -n 1 <expect >expect.short &&
+ git diff HEAD --shortstat >actual &&
+ test_cmp expect.short actual
+'
+
+test_expect_success '--stat output after binary chmod' '
+ test_chmod +x binbin &&
+ cat >expect <<-EOF &&
+ binbin | Bin
+ rezrov | 0
+ 2 files changed, 0 insertions(+), 0 deletions(-)
+ EOF
+ git diff HEAD --stat >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success '--shortstat output after binary chmod' '
+ tail -n 1 <expect >expect.short &&
+ git diff HEAD --shortstat >actual &&
+ test_cmp expect.short actual
+'
+
+test_done