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-rwxr-xr-xt/t4025-hunk-header.sh39
1 files changed, 39 insertions, 0 deletions
diff --git a/t/t4025-hunk-header.sh b/t/t4025-hunk-header.sh
new file mode 100755
index 0000000..5397cb7
--- /dev/null
+++ b/t/t4025-hunk-header.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+test_description='diff hunk header truncation'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+N='日本語'
+N1='日'
+N2='日本'
+NS="$N$N$N$N$N$N$N$N$N$N$N$N$N"
+
+test_expect_success setup '
+
+ (
+ echo "A $NS" &&
+ printf " %s\n" B C D E F G H I J K &&
+ echo "L $NS" &&
+ printf " %s\n" M N O P Q R S T U V
+ ) >file &&
+ git add file &&
+
+ sed -e "/^ [EP]/s/$/ modified/" <file >file+ &&
+ mv file+ file
+
+'
+
+test_expect_success 'hunk header truncation with an overly long line' '
+
+ git diff | sed -n -e "s/^.*@@//p" >actual &&
+ (
+ echo " A $N$N$N$N$N$N$N$N$N2" &&
+ echo " L $N$N$N$N$N$N$N$N$N1"
+ ) >expected &&
+ test_cmp expected actual
+
+'
+
+test_done