merge: add recursive test with three merge bases

tests/merge/trees/recursive.c

@@ -200,3 +200,49 @@ void test_merge_trees_recursive__three_levels_of_multiple_bases_norecursive(void
 	git_index_free(index);
 }
 
+void test_merge_trees_recursive__three_base_commits(void)
+{
+	git_index *index;
+	git_merge_options opts = GIT_MERGE_OPTIONS_INIT;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "ffb36e513f5fdf8a6ba850a20142676a2ac4807d", 0, "asparagus.txt" },
+		{ 0100644, "68f6182f4c85d39e1309d97c7e456156dc9c0096", 0, "beef.txt" },
+		{ 0100644, "4b7c5650008b2e747fe1809eeb5a1dde0e80850a", 0, "bouilli.txt" },
+		{ 0100644, "c4f7269b07c76d02755d75ccaf05c0b4c36cdc6c", 0, "gravy.txt" },
+		{ 0100644, "68af1fc7407fd9addf1701a87eb1c95c7494c598", 0, "oyster.txt" },
+		{ 0100644, "a7b066537e6be7109abfe4ff97b675d4e077da20", 0, "veal.txt" },
+	};
+
+	cl_git_pass(merge_commits_from_branches(&index, repo, "branchE-1", "branchE-2", &opts));
+
+	cl_assert(merge_test_index(index, merge_index_entries, 6));
+
+	git_index_free(index);
+}
+
+void test_merge_trees_recursive__three_base_commits_norecursive(void)
+{
+	git_index *index;
+	git_merge_options opts = GIT_MERGE_OPTIONS_INIT;
+
+	struct merge_index_entry merge_index_entries[] = {
+		{ 0100644, "ffb36e513f5fdf8a6ba850a20142676a2ac4807d", 0, "asparagus.txt" },
+		{ 0100644, "68f6182f4c85d39e1309d97c7e456156dc9c0096", 0, "beef.txt" },
+		{ 0100644, "4b7c5650008b2e747fe1809eeb5a1dde0e80850a", 0, "bouilli.txt" },
+		{ 0100644, "9e12bce04446d097ae1782967a5888c2e2a0d35b", 1, "gravy.txt" },
+		{ 0100644, "d8dd349b78f19a4ebe3357bacb8138f00bf5ed41", 2, "gravy.txt" },
+		{ 0100644, "e50fbbd701458757bdfe9815f58ed717c588d1b5", 3, "gravy.txt" },
+		{ 0100644, "68af1fc7407fd9addf1701a87eb1c95c7494c598", 0, "oyster.txt" },
+		{ 0100644, "a7b066537e6be7109abfe4ff97b675d4e077da20", 0, "veal.txt" },
+	};
+
+	opts.flags |= GIT_MERGE_NO_RECURSIVE;
+
+	cl_git_pass(merge_commits_from_branches(&index, repo, "branchE-1", "branchE-2", &opts));
+
+	cl_assert(merge_test_index(index, merge_index_entries, 8));
+
+	git_index_free(index);
+}
+