1 files changed, 43 insertions, 0 deletions
diff --git a/t/t4215-log-skewed-merges.sh b/t/t4215-log-skewed-merges.sh
new file mode 100755
index 0000000..4582ba0
--- /dev/null
+++ b/t/t4215-log-skewed-merges.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+test_description='git log --graph of skewed merges'
+
+. ./test-lib.sh
+
+test_expect_success 'log --graph with merge fusing with its left and right neighbors' '
+	cat >expect <<-\EOF &&
+	*   H
+	|\
+	| *   G
+	| |\
+	| | * F
+	| | |
+	| |  \
+	| *-. \   E
+	| |\ \ \
+	|/ / / /
+	| | | /
+	| | |/
+	| | * D
+	| * | C
+	| |/
+	* | B
+	|/
+	* A
+	EOF
+
+	git checkout --orphan _p &&
+	test_commit A &&
+	test_commit B &&
+	git checkout -b _q @^ && test_commit C &&
+	git checkout -b _r @^ && test_commit D &&
+	git checkout _p && git merge --no-ff _q _r -m E &&
+	git checkout _r && test_commit F &&
+	git checkout _p && git merge --no-ff _r -m G &&
+	git checkout @^^ && git merge --no-ff _p -m H &&
+
+	git log --graph --pretty=tformat:%s | sed "s/ *$//" >actual &&
+	test_cmp expect actual
+'
+
+test_done