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-rwxr-xr-xt/t4022-diff-rewrite.sh26
1 files changed, 26 insertions, 0 deletions
diff --git a/t/t4022-diff-rewrite.sh b/t/t4022-diff-rewrite.sh
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index 0000000000..6de4acbd44
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+++ b/t/t4022-diff-rewrite.sh
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+#!/bin/sh
+
+test_description='rewrite diff'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+ cat ../../COPYING >test &&
+ git add test &&
+ tr 'a-zA-Z' 'n-za-mN-ZA-M' <../../COPYING >test
+
+'
+
+test_expect_success 'detect rewrite' '
+
+ actual=$(git diff-files -B --summary test) &&
+ expr "$actual" : " rewrite test ([0-9]*%)$" || {
+ echo "Eh? <<$actual>>"
+ false
+ }
+
+'
+
+test_done
+