blame: reject empty ranges -LX,+0 and -LX,-0

diff --git a/t/t4211-line-log.sh b/t/t4211-line-log.sh
index 7776f93e3dfe1b6f822d5ee6f206bed5ba38c75c..b01b3ddebb568e0fe74843d29933b5f0cda1a7d3 100755 (executable)
--- a/t/t4211-line-log.sh
+++ b/t/t4211-line-log.sh
@@ -64,4 +64,34 @@ test_bad_opts "-L 1,1000:b.c" "has only.*lines"
 test_bad_opts "-L :b.c" "argument.*not of the form"
 test_bad_opts "-L :foo:b.c" "no match"
 
+test_expect_success '-L X (X == nlines)' '
+       n=$(wc -l <b.c) &&
+       git log -L $n:b.c
+'
+
+test_expect_success '-L X (X == nlines + 1)' '
+       n=$(expr $(wc -l <b.c) + 1) &&
+       test_must_fail git log -L $n:b.c
+'
+
+test_expect_success '-L X (X == nlines + 2)' '
+       n=$(expr $(wc -l <b.c) + 2) &&
+       test_must_fail git log -L $n:b.c
+'
+
+test_expect_success '-L ,Y (Y == nlines)' '
+       n=$(printf "%d" $(wc -l <b.c)) &&
+       git log -L ,$n:b.c
+'
+
+test_expect_success '-L ,Y (Y == nlines + 1)' '
+       n=$(expr $(wc -l <b.c) + 1) &&
+       test_must_fail git log -L ,$n:b.c
+'
+
+test_expect_success '-L ,Y (Y == nlines + 2)' '
+       n=$(expr $(wc -l <b.c) + 2) &&
+       test_must_fail git log -L ,$n:b.c
+'
+
 test_done