t: move tests from reftable/stack_test.c to the new unit test

parse_names() and names_equal() are functions defined in
reftable/basics.{c, h}. Move the tests for these functions from
reftable/stack_test.c to the newly ported test.

Mentored-by: Patrick Steinhardt <[email protected]>
Mentored-by: Christian Couder <[email protected]>
Signed-off-by: Chandra Pratap <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: Chandra Pratap

reftable/stack_test.c

@@ -102,29 +102,6 @@ static void test_read_file(void)
 	(void) remove(fn);
 }
 
-static void test_parse_names(void)
-{
-	char buf[] = "line\n";
-	char **names = NULL;
-	parse_names(buf, strlen(buf), &names);
-
-	EXPECT(NULL != names[0]);
-	EXPECT(0 == strcmp(names[0], "line"));
-	EXPECT(NULL == names[1]);
-	free_names(names);
-}
-
-static void test_names_equal(void)
-{
-	char *a[] = { "a", "b", "c", NULL };
-	char *b[] = { "a", "b", "d", NULL };
-	char *c[] = { "a", "b", NULL };
-
-	EXPECT(names_equal(a, a));
-	EXPECT(!names_equal(a, b));
-	EXPECT(!names_equal(a, c));
-}
-
 static int write_test_ref(struct reftable_writer *wr, void *arg)
 {
 	struct reftable_ref_record *ref = arg;
@@ -1086,8 +1063,6 @@ static void test_reftable_stack_compaction_concurrent_clean(void)
 int stack_test_main(int argc, const char *argv[])
 {
 	RUN_TEST(test_empty_add);
-	RUN_TEST(test_names_equal);
-	RUN_TEST(test_parse_names);
 	RUN_TEST(test_read_file);
 	RUN_TEST(test_reflog_expire);
 	RUN_TEST(test_reftable_stack_add);

t/unit-tests/t-reftable-basics.c

@@ -58,14 +58,32 @@ static void test_names_length(void)
 	check_int(names_length(a), ==, 2);
 }
 
+static void test_names_equal(void)
+{
+	char *a[] = { "a", "b", "c", NULL };
+	char *b[] = { "a", "b", "d", NULL };
+	char *c[] = { "a", "b", NULL };
+
+	check(names_equal(a, a));
+	check(!names_equal(a, b));
+	check(!names_equal(a, c));
+}
+
 static void test_parse_names_normal(void)
 {
-	char in[] = "a\nb\n";
+	char in1[] = "line\n";
+	char in2[] = "a\nb\nc";
 	char **out = NULL;
-	parse_names(in, strlen(in), &out);
+	parse_names(in1, strlen(in1), &out);
+	check_str(out[0], "line");
+	check(!out[1]);
+	free_names(out);
+
+	parse_names(in2, strlen(in2), &out);
 	check_str(out[0], "a");
 	check_str(out[1], "b");
-	check(!out[2]);
+	check_str(out[2], "c");
+	check(!out[3]);
 	free_names(out);
 }
 
@@ -97,6 +115,7 @@ int cmd_main(int argc, const char *argv[])
 	TEST(test_parse_names_drop_empty(), "parse_names drops empty string");
 	TEST(test_binsearch(), "binary search with binsearch works");
 	TEST(test_names_length(), "names_length retuns size of a NULL-terminated string array");
+	TEST(test_names_equal(), "names_equal compares NULL-terminated string arrays");
 
 	return test_done();
 }