util/SplitString: new utility class

Replaces GLib's g_strsplit().

test/SplitStringTest.hxx

@@ -0,0 +1,65 @@
+/*
+ * Unit tests for src/util/
+ */
+
+#include "check.h"
+#include "util/SplitString.hxx"
+#include "util/Macros.hxx"
+
+#include <cppunit/TestFixture.h>
+#include <cppunit/extensions/HelperMacros.h>
+
+#include <string.h>
+
+class SplitStringTest : public CppUnit::TestFixture {
+	CPPUNIT_TEST_SUITE(SplitStringTest);
+	CPPUNIT_TEST(TestBasic);
+	CPPUNIT_TEST(TestStrip);
+	CPPUNIT_TEST(TestNoStrip);
+	CPPUNIT_TEST(TestEmpty);
+	CPPUNIT_TEST_SUITE_END();
+
+public:
+	void TestBasic() {
+		constexpr char input[] = "foo.bar";
+		const char *const output[] = { "foo", "bar" };
+		size_t i = 0;
+		for (auto p : SplitString(input, '.')) {
+			CPPUNIT_ASSERT(i < ARRAY_SIZE(output));
+			CPPUNIT_ASSERT(p == output[i]);
+			++i;
+		}
+
+		CPPUNIT_ASSERT_EQUAL(ARRAY_SIZE(output), i);
+	}
+
+	void TestStrip() {
+		constexpr char input[] = " foo\t.\r\nbar\r\n2";
+		const char *const output[] = { "foo", "bar\r\n2" };
+		size_t i = 0;
+		for (auto p : SplitString(input, '.')) {
+			CPPUNIT_ASSERT(i < ARRAY_SIZE(output));
+			CPPUNIT_ASSERT(p == output[i]);
+			++i;
+		}
+
+		CPPUNIT_ASSERT_EQUAL(ARRAY_SIZE(output), i);
+	}
+
+	void TestNoStrip() {
+		constexpr char input[] = " foo\t.\r\nbar\r\n2";
+		const char *const output[] = { " foo\t", "\r\nbar\r\n2" };
+		size_t i = 0;
+		for (auto p : SplitString(input, '.', false)) {
+			CPPUNIT_ASSERT(i < ARRAY_SIZE(output));
+			CPPUNIT_ASSERT(p == output[i]);
+			++i;
+		}
+
+		CPPUNIT_ASSERT_EQUAL(ARRAY_SIZE(output), i);
+	}
+
+	void TestEmpty() {
+		CPPUNIT_ASSERT(SplitString("", '.').empty());
+	}
+};

test/test_util.cxx

@@ -4,6 +4,7 @@
 
 #include "config.h"
 #include "DivideStringTest.hxx"
+#include "SplitStringTest.hxx"
 #include "UriUtilTest.hxx"
 #include "TestCircularBuffer.hxx"
 
@@ -15,6 +16,7 @@
 #include <stdlib.h>
 
 CPPUNIT_TEST_SUITE_REGISTRATION(DivideStringTest);
+CPPUNIT_TEST_SUITE_REGISTRATION(SplitStringTest);
 CPPUNIT_TEST_SUITE_REGISTRATION(UriUtilTest);
 CPPUNIT_TEST_SUITE_REGISTRATION(TestCircularBuffer);