tests: make test_must_fail more verbose

diff --git a/t/t1005-read-tree-reset.sh b/t/t1005-read-tree-reset.sh
index b0d31f5a9bb8b3474665147327d94ad5067fa206..849911683a799981a565416a88fe9092b3727853 100755 (executable)
--- a/t/t1005-read-tree-reset.sh
+++ b/t/t1005-read-tree-reset.sh
@@ -27,4 +27,64 @@ test_expect_success 'reset should work' '
   test_cmp expect actual
 '
 
+test_expect_success 'reset should remove remnants from a failed merge' '
+  git read-tree --reset -u HEAD &&
+  git ls-files -s >expect &&
+  sha1=$(git rev-parse :new) &&
+  (
+       echo "100644 $sha1 1    old"
+       echo "100644 $sha1 3    old"
+  ) | git update-index --index-info &&
+  >old &&
+  git ls-files -s &&
+  git read-tree --reset -u HEAD &&
+  git ls-files -s >actual &&
+  ! test -f old
+'
+
+test_expect_success 'Porcelain reset should remove remnants too' '
+  git read-tree --reset -u HEAD &&
+  git ls-files -s >expect &&
+  sha1=$(git rev-parse :new) &&
+  (
+       echo "100644 $sha1 1    old"
+       echo "100644 $sha1 3    old"
+  ) | git update-index --index-info &&
+  >old &&
+  git ls-files -s &&
+  git reset --hard &&
+  git ls-files -s >actual &&
+  ! test -f old
+'
+
+test_expect_success 'Porcelain checkout -f should remove remnants too' '
+  git read-tree --reset -u HEAD &&
+  git ls-files -s >expect &&
+  sha1=$(git rev-parse :new) &&
+  (
+       echo "100644 $sha1 1    old"
+       echo "100644 $sha1 3    old"
+  ) | git update-index --index-info &&
+  >old &&
+  git ls-files -s &&
+  git checkout -f &&
+  git ls-files -s >actual &&
+  ! test -f old
+'
+
+test_expect_success 'Porcelain checkout -f HEAD should remove remnants too' '
+  git read-tree --reset -u HEAD &&
+  git ls-files -s >expect &&
+  sha1=$(git rev-parse :new) &&
+  (
+       echo "100644 $sha1 1    old"
+       echo "100644 $sha1 3    old"
+  ) | git update-index --index-info &&
+  >old &&
+  git ls-files -s &&
+  git checkout -f HEAD &&
+  git ls-files -s >actual &&
+  ! test -f old
+'
+
 test_done