@GwtIncompatible // reflection public void testGetField() { Field foo = Enums.getField(AnEnum.FOO); assertEquals("FOO", foo.getName()); assertTrue(foo.isAnnotationPresent(ExampleAnnotation.class)); Field bar = Enums.getField(AnEnum.BAR); assertEquals("BAR", bar.getName()); assertFalse(bar.isAnnotationPresent(ExampleAnnotation.class)); }
@GwtIncompatible // weak references private WeakReference<?> doTestClassUnloading() throws Exception { URLClassLoader shadowLoader = new URLClassLoader(getClassPathUrls(), null); @SuppressWarnings("unchecked") Class<TestEnum> shadowTestEnum = (Class<TestEnum>) Class.forName(TestEnum.class.getName(), false, shadowLoader); assertNotSame(shadowTestEnum, TestEnum.class); // We can't write Set<TestEnum> because that is a Set of the TestEnum from the original // ClassLoader. Set<Object> shadowConstants = new HashSet<>(); for (TestEnum constant : TestEnum.values()) { Optional<TestEnum> result = Enums.getIfPresent(shadowTestEnum, constant.name()); assertThat(result).isPresent(); shadowConstants.add(result.get()); } assertEquals(ImmutableSet.<Object>copyOf(shadowTestEnum.getEnumConstants()), shadowConstants); Optional<TestEnum> result = Enums.getIfPresent(shadowTestEnum, "blibby"); assertThat(result).isAbsent(); return new WeakReference<>(shadowLoader); }
public void testStringConverter_convert() { Converter<String, TestEnum> converter = Enums.stringConverter(TestEnum.class); assertEquals(TestEnum.CHEETO, converter.convert("CHEETO")); assertEquals(TestEnum.HONDA, converter.convert("HONDA")); assertEquals(TestEnum.POODLE, converter.convert("POODLE")); assertNull(converter.convert(null)); assertNull(converter.reverse().convert(null)); }
@GwtIncompatible // Class.getName() public void testStringConverter_toString() { assertEquals( "Enums.stringConverter(com.google.common.base.EnumsTest$TestEnum.class)", Enums.stringConverter(TestEnum.class).toString()); }
public void testStringConverter_convertError() { Converter<String, TestEnum> converter = Enums.stringConverter(TestEnum.class); try { converter.convert("xxx"); fail(); } catch (IllegalArgumentException expected) { } }
@GwtIncompatible // Class.getClassLoader() private URL[] getClassPathUrls() { ClassLoader classLoader = getClass().getClassLoader(); return classLoader instanceof URLClassLoader ? ((URLClassLoader) classLoader).getURLs() : parseJavaClassPath().toArray(new URL[0]); }
@GwtIncompatible // weak references public void testGetIfPresent_doesNotPreventClassUnloading() throws Exception { WeakReference<?> shadowLoaderReference = doTestClassUnloading(); GcFinalization.awaitClear(shadowLoaderReference); }
public void testStringConverter_nullConversions() { Converter<String, TestEnum> converter = Enums.stringConverter(TestEnum.class); assertNull(converter.convert(null)); assertNull(converter.reverse().convert(null)); }
public void testStringConverter_reverse() { Converter<String, TestEnum> converter = Enums.stringConverter(TestEnum.class); assertEquals("CHEETO", converter.reverse().convert(TestEnum.CHEETO)); assertEquals("HONDA", converter.reverse().convert(TestEnum.HONDA)); assertEquals("POODLE", converter.reverse().convert(TestEnum.POODLE)); }
public void testStringConverter_convertError() { Converter<String, TestEnum> converter = Enums.stringConverter(TestEnum.class); try { converter.convert("xxx"); fail(); } catch (IllegalArgumentException expected) { } }
@GwtIncompatible // Class.getClassLoader() private URL[] getClassPathUrls() { ClassLoader classLoader = getClass().getClassLoader(); return classLoader instanceof URLClassLoader ? ((URLClassLoader) classLoader).getURLs() : parseJavaClassPath().toArray(new URL[0]); }
@GwtIncompatible // weak references public void testGetIfPresent_doesNotPreventClassUnloading() throws Exception { WeakReference<?> shadowLoaderReference = doTestClassUnloading(); GcFinalization.awaitClear(shadowLoaderReference); }
public void testStringConverter_nullConversions() { Converter<String, TestEnum> converter = Enums.stringConverter(TestEnum.class); assertNull(converter.convert(null)); assertNull(converter.reverse().convert(null)); }
@GwtIncompatible // reflection public void testGetField() { Field foo = Enums.getField(AnEnum.FOO); assertEquals("FOO", foo.getName()); assertTrue(foo.isAnnotationPresent(ExampleAnnotation.class)); Field bar = Enums.getField(AnEnum.BAR); assertEquals("BAR", bar.getName()); assertFalse(bar.isAnnotationPresent(ExampleAnnotation.class)); }
@GwtIncompatible // weak references private WeakReference<?> doTestClassUnloading() throws Exception { URLClassLoader shadowLoader = new URLClassLoader(getClassPathUrls(), null); @SuppressWarnings("unchecked") Class<TestEnum> shadowTestEnum = (Class<TestEnum>) Class.forName(TestEnum.class.getName(), false, shadowLoader); assertNotSame(shadowTestEnum, TestEnum.class); // We can't write Set<TestEnum> because that is a Set of the TestEnum from the original // ClassLoader. Set<Object> shadowConstants = new HashSet<>(); for (TestEnum constant : TestEnum.values()) { Optional<TestEnum> result = Enums.getIfPresent(shadowTestEnum, constant.name()); assertThat(result).isPresent(); shadowConstants.add(result.get()); } assertEquals(ImmutableSet.<Object>copyOf(shadowTestEnum.getEnumConstants()), shadowConstants); Optional<TestEnum> result = Enums.getIfPresent(shadowTestEnum, "blibby"); assertThat(result).isAbsent(); return new WeakReference<>(shadowLoader); }
public void testStringConverter_convert() { Converter<String, TestEnum> converter = Enums.stringConverter(TestEnum.class); assertEquals(TestEnum.CHEETO, converter.convert("CHEETO")); assertEquals(TestEnum.HONDA, converter.convert("HONDA")); assertEquals(TestEnum.POODLE, converter.convert("POODLE")); assertNull(converter.convert(null)); assertNull(converter.reverse().convert(null)); }
@GwtIncompatible // Class.getName() public void testStringConverter_toString() { assertEquals( "Enums.stringConverter(com.google.common.base.EnumsTest$TestEnum.class)", Enums.stringConverter(TestEnum.class).toString()); }
public void testStringConverter_reverse() { Converter<String, TestEnum> converter = Enums.stringConverter(TestEnum.class); assertEquals("CHEETO", converter.reverse().convert(TestEnum.CHEETO)); assertEquals("HONDA", converter.reverse().convert(TestEnum.HONDA)); assertEquals("POODLE", converter.reverse().convert(TestEnum.POODLE)); }