t8001/t8002: blame: add empty file & partial-line tests

diff --git a/t/t4211-line-log.sh b/t/t4211-line-log.sh
index 549df9e0545d46b0607cb4e670d68f45583c76cb..7665d6785c1a91ed0171e8cac61174ebee9b9a37 100755 (executable)
--- a/t/t4211-line-log.sh
+++ b/t/t4211-line-log.sh
@@ -50,8 +50,8 @@ canned_test "-M -L ':f:b.c' parallel-change" parallel-change-f-to-main
 canned_test "-L 4,12:a.c -L :main:a.c simple" multiple
 canned_test "-L 4,18:a.c -L :main:a.c simple" multiple-overlapping
 canned_test "-L :main:a.c -L 4,18:a.c simple" multiple-overlapping
-canned_test_failure "-L 4:a.c -L 8,12:a.c simple" multiple-superset
-canned_test_failure "-L 8,12:a.c -L 4:a.c simple" multiple-superset
+canned_test "-L 4:a.c -L 8,12:a.c simple" multiple-superset
+canned_test "-L 8,12:a.c -L 4:a.c simple" multiple-superset
 
 test_bad_opts "-L" "switch.*requires a value"
 test_bad_opts "-L b.c" "argument.*not of the form"
@@ -64,4 +64,17 @@ 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"
 
+# There is a separate bug when an empty -L range is the first -L encountered,
+# thus to demonstrate this particular bug, the empty -L range must follow a
+# non-empty -L range.
+test_expect_success '-L {empty-range} (any -L)' '
+       n=$(expr $(wc -l <b.c) + 1) &&
+       git log -L1,1:b.c -L$n:b.c
+'
+
+test_expect_success '-L {empty-range} (first -L)' '
+       n=$(expr $(wc -l <b.c) + 1) &&
+       git log -L$n:b.c
+'
+
 test_done