@MPSLaunch
public void test_testLazyObject() throws Exception {
Assert.assertNull(LazyTestObject.INSTANCE);
Iterable<Extension<LazyTestObject>> extensions =
((ExtensionPoint<LazyTestObject>)
ExtensionPoint.<LazyTestObject>generify(
new ExtensionPoint(
"jetbrains.mps.lang.extension.tests.lazyTestExtensionPoint",
LazyTestObject.class)))
.getExtensions();
LazyTestObject lzo = extensions.iterator().next().get();
Assert.assertNotNull(lzo);
Assert.assertSame(LazyTestObject.INSTANCE, lzo);
}
@Test
public void allExtensions() {
ExtensionPoint ep1 = mockExtensionPoint("ep1", EP1);
ExtensionDescriptor ed1 =
mockExtensionDescriptor("ed1", new ExtensionPoint[] {ep1}, new Extension[] {});
ExtensionDescriptor ed2 =
mockExtensionDescriptor(
"ed2", new ExtensionPoint[] {}, new Extension[] {mockExtension("e1", EP1)});
ExtensionDescriptor ed3 =
mockExtensionDescriptor(
"ed3", new ExtensionPoint[] {}, new Extension[] {mockExtension("e2", EP1)});
ExtensionRegistry.getInstance().registerExtensionDescriptor(ed3);
ExtensionRegistry.getInstance().registerExtensionDescriptor(ed2);
ExtensionRegistry.getInstance().registerExtensionDescriptor(ed1);
Iterable<Extension<?>> extensions = ep1.getExtensions();
List<Extension> extensionList = new ArrayList();
for (Iterator<Extension> it = ExtensionRegistry.getInstance().getExtensions(ep1).iterator();
it.hasNext(); ) {
extensionList.add(it.next());
}
assertSame(2, extensionList.size());
Collections.sort(
extensionList,
new Comparator<Extension>() {
@Override
public int compare(Extension o1, Extension o2) {
return String.CASE_INSENSITIVE_ORDER.compare(String.valueOf(o1), String.valueOf(o2));
}
});
assertEquals("[e1, e2]", extensionList.toString());
ExtensionRegistry.getInstance().unregisterExtensionDescriptor(ed3);
ExtensionRegistry.getInstance().unregisterExtensionDescriptor(ed2);
ExtensionRegistry.getInstance().unregisterExtensionDescriptor(ed1);
}
@MPSLaunch
public void test_extensionPointExpression() throws Exception {
String string =
IterableUtils.join(
Sequence.fromIterable(
ExtensionPoint.<String>generify(
new ExtensionPoint(
"jetbrains.mps.lang.extension.tests.multiExtensionPoint",
String.class))
.getObjects())
.sort(
new ISelector<String, String>() {
public String select(String it) {
return it;
}
},
false),
", ");
Assert.assertEquals("salam, dunya", string);
}
@MPSLaunch
public void test_testObject() throws Exception {
Iterable<Extension<TestObject>> extensions =
((ExtensionPoint<TestObject>)
ExtensionPoint.<TestObject>generify(
new ExtensionPoint(
"jetbrains.mps.lang.extension.tests.testExtensionPoint", TestObject.class)))
.getExtensions();
Assert.assertNotNull(extensions);
Iterator<Extension<TestObject>> it = extensions.iterator();
Assert.assertTrue(it.hasNext());
Extension<TestObject> ext = it.next();
try {
it.next();
Assert.fail("unexpected value");
} catch (NoSuchElementException e) {
// expected exception
}
TestObject to = ext.get();
TEST_OBJECT = to;
Assert.assertEquals("foobar", to.getValue());
Assert.assertFalse(to.getShutDown());
}