test/test_util: add unit test for DivideString

1 files changed, 44 insertions, 0 deletions

diff --git a/test/DivideStringTest.hxx b/test/DivideStringTest.hxx
new file mode 100644
index 000000000..83c54dc56
--- /dev/null
+++ b/test/DivideStringTest.hxx
@@ -0,0 +1,44 @@
+/*
+ * Unit tests for src/util/
+ */
+
+#include "check.h"
+#include "util/DivideString.hxx"
+
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+#include <string.h>
+
+class DivideStringTest : public CppUnit::TestFixture {
+	CPPUNIT_TEST_SUITE(DivideStringTest);
+	CPPUNIT_TEST(TestBasic);
+	CPPUNIT_TEST(TestEmpty);
+	CPPUNIT_TEST(TestFail);
+	CPPUNIT_TEST_SUITE_END();
+
+public:
+	void TestBasic() {
+		constexpr char input[] = "foo.bar";
+		const DivideString ds(input, '.');
+		CPPUNIT_ASSERT(ds.IsDefined());
+		CPPUNIT_ASSERT(!ds.IsEmpty());
+		CPPUNIT_ASSERT_EQUAL(0, strcmp(ds.GetFirst(), "foo"));
+		CPPUNIT_ASSERT_EQUAL(input + 4, ds.GetSecond());
+	}
+
+	void TestEmpty() {
+		constexpr char input[] = ".bar";
+		const DivideString ds(input, '.');
+		CPPUNIT_ASSERT(ds.IsDefined());
+		CPPUNIT_ASSERT(ds.IsEmpty());
+		CPPUNIT_ASSERT_EQUAL(0, strcmp(ds.GetFirst(), ""));
+		CPPUNIT_ASSERT_EQUAL(input + 1, ds.GetSecond());
+	}
+
+	void TestFail() {
+		constexpr char input[] = "foo!bar";
+		const DivideString ds(input, '.');
+		CPPUNIT_ASSERT(!ds.IsDefined());
+	}
+};