1 files changed, 49 insertions, 6 deletions
diff --git a/t/t4049-diff-stat-count.sh b/t/t4049-diff-stat-count.sh
index 641e70d14d..5b594e878f 100755
--- a/t/t4049-diff-stat-count.sh
+++ b/t/t4049-diff-stat-count.sh
@@ -4,22 +4,65 @@
 test_description='diff --stat-count'
 . ./test-lib.sh
 
-test_expect_success setup '
+test_expect_success 'setup' '
 	>a &&
 	>b &&
 	>c &&
 	>d &&
 	git add a b c d &&
-	chmod +x c d &&
+	git commit -m initial
+'
+
+test_expect_success 'mode-only change show as a 0-line change' '
+	git reset --hard &&
+	test_chmod +x b d &&
+	echo a >a &&
+	echo c >c &&
+	cat >expect <<-\EOF
+	 a | 1 +
+	 b | 0
+	 ...
+	 4 files changed, 2 insertions(+)
+	EOF
+	git diff --stat --stat-count=2 HEAD >actual &&
+	test_i18ncmp expect actual
+'
+
+test_expect_success 'binary changes do not count in lines' '
+	git reset --hard &&
+	echo a >a &&
+	echo c >c &&
+	cat "$TEST_DIRECTORY"/test-binary-1.png >d &&
+	cat >expect <<-\EOF
+	 a | 1 +
+	 c | 1 +
+	 ...
+	 3 files changed, 2 insertions(+)
+	EOF
+	git diff --stat --stat-count=2 >actual &&
+	test_i18ncmp expect actual
+'
+
+test_expect_success 'exclude unmerged entries from total file count' '
+	git reset --hard &&
 	echo a >a &&
 	echo b >b &&
+	git ls-files -s a >x &&
+	git rm -f d &&
+	for stage in 1 2 3
+	do
+		sed -e "s/ 0	a/ $stage	d/" x
+	done |
+	git update-index --index-info &&
+	echo d >d &&
 	cat >expect <<-\EOF
-	 a |    1 +
-	 b |    1 +
-	 2 files changed, 2 insertions(+), 0 deletions(-)
+	 a | 1 +
+	 b | 1 +
+	 ...
+	 3 files changed, 3 insertions(+)
 	EOF
 	git diff --stat --stat-count=2 >actual &&
-	test_cmp expect actual
+	test_i18ncmp expect actual
 '
 
 test_done