Added static factory method to all test classes and improved the program

invocation (e.g. it list what tests are available now).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21383 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kits/interface/layout/widget_layout_test/WidgetLayoutTest.cpp

@@ -29,6 +29,20 @@ enum {
 };
 
 
+struct test_info {
+	const char*	name;
+	Test*		(*create)();
+};
+
+const test_info kTestInfos[] = {
+	{ "box",		BoxTest::CreateTest },
+	{ "button",		ButtonTest::CreateTest },
+	{ "checkbox",	CheckBoxTest::CreateTest },
+	{ "listview",	ListViewTest::CreateTest },
+	{ NULL, NULL }
+};
+
+
 // helpful operator
 BPoint
 operator+(const BPoint& p, const BSize& size)
@@ -258,29 +272,45 @@ private:
 };
 
 
+static void
+print_test_list(bool error)
+{
+	FILE* out = (error ? stderr : stdout);
+
+	fprintf(out, "available tests:\n");
+
+	for (int32 i = 0; kTestInfos[i].name; i++)
+		fprintf(out, "  %s\n", kTestInfos[i].name);
+}
+
+
 int
 main(int argc, const char* const* argv)
 {
 	// get test name
-	const char* testName = "button";
-	if (argc >= 2)
-		testName = argv[1];
+	const char* testName;
+	if (argc < 2) {
+		fprintf(stderr, "Usage: %s <test name>\n", argv[0]);
+		print_test_list(true);
+		exit(1);
+	}
+	testName = argv[1];
 
 	// create app
 	BApplication app("application/x-vnd.haiku.widget-layout-test");
 
-	// create test
-	Test* test;
-	if (strcmp(testName, "box") == 0) {
-		test = new BoxTest;
-	} else if (strcmp(testName, "button") == 0) {
-		test = new ButtonTest;
-	} else if (strcmp(testName, "checkbox") == 0) {
-		test = new CheckBoxTest;
-	} else if (strcmp(testName, "listview") == 0) {
-		test = new ListViewTest;
-	} else {
+	// find and create the test
+	Test* test = NULL;
+	for (int32 i = 0; kTestInfos[i].name; i++) {
+		if (strcmp(testName, kTestInfos[i].name) == 0) {
+			test = (kTestInfos[i].create)();
+			break;
+		}
+	}
+
+	if (!test) {
 		fprintf(stderr, "Error: Invalid test name: \"%s\"\n", testName);
+		print_test_list(true);
 		exit(1);
 	}
 

src/tests/kits/interface/layout/widget_layout_test/tests/BoxTest.cpp

@@ -77,6 +77,14 @@ BoxTest::~BoxTest()
 }
 
 
+// CreateTest
+Test*
+BoxTest::CreateTest()
+{
+	return new BoxTest;
+}
+
+
 // ActivateTest
 void
 BoxTest::ActivateTest(View* controls)

src/tests/kits/interface/layout/widget_layout_test/tests/BoxTest.h

@@ -19,6 +19,8 @@ public:
 								BoxTest();
 	virtual						~BoxTest();
 
+	static	Test*				CreateTest();
+
 	virtual	void				ActivateTest(View* controls);
 	virtual	void				DectivateTest();
 

src/tests/kits/interface/layout/widget_layout_test/tests/ButtonTest.cpp

@@ -27,6 +27,14 @@ ButtonTest::~ButtonTest()
 }
 
 
+// CreateTest
+Test*
+ButtonTest::CreateTest()
+{
+	return new ButtonTest;
+}
+
+
 // ActivateTest
 void
 ButtonTest::ActivateTest(View* controls)

src/tests/kits/interface/layout/widget_layout_test/tests/ButtonTest.h

@@ -17,6 +17,7 @@ public:
 								ButtonTest();
 	virtual						~ButtonTest();
 
+	static	Test*				CreateTest();
 	virtual	void				ActivateTest(View* controls);
 	virtual	void				DectivateTest();
 

src/tests/kits/interface/layout/widget_layout_test/tests/CheckBoxTest.cpp

@@ -27,6 +27,14 @@ CheckBoxTest::~CheckBoxTest()
 }
 
 
+// CreateTest
+Test*
+CheckBoxTest::CreateTest()
+{
+	return new CheckBoxTest;
+}
+
+
 // ActivateTest
 void
 CheckBoxTest::ActivateTest(View* controls)

src/tests/kits/interface/layout/widget_layout_test/tests/CheckBoxTest.h

@@ -17,6 +17,8 @@ public:
 								CheckBoxTest();
 	virtual						~CheckBoxTest();
 
+	static	Test*				CreateTest();
+
 	virtual	void				ActivateTest(View* controls);
 	virtual	void				DectivateTest();
 

src/tests/kits/interface/layout/widget_layout_test/tests/ListViewTest.cpp

@@ -22,3 +22,12 @@ ListViewTest::ListViewTest()
 		fListView->AddItem(new BStringItem(itemText.String()));
 	}
 }
+
+
+Test*
+ListViewTest::CreateTest()
+{
+	return new ListViewTest;
+}
+
+

src/tests/kits/interface/layout/widget_layout_test/tests/ListViewTest.h

@@ -16,6 +16,8 @@ class ListViewTest : public Test {
 public:
 								ListViewTest();
 
+	static	Test*				CreateTest();
+
 private:
 			BListView*			fListView;
 };