ClassMembersTest.java 文件源码

@Test(enabled = false) // TODO 8080354
public void annotationTest() {
    assertEval("import java.lang.annotation.*;");
    for (RetentionPolicy policy : RetentionPolicy.values()) {
        String annotationSource =
                "@Retention(RetentionPolicy." + policy.toString() + ")\n" +
                "@interface A {}";
        assertEval(annotationSource);
        String classSource =
                "@A class C {\n" +
                "   @A C() {}\n" +
                "   @A void f() {}\n" +
                "   @A int f;\n" +
                "   @A class Inner {}\n" +
                "}";
        assertEval(classSource);
        String isRuntimeVisible = policy == RetentionPolicy.RUNTIME ? "true" : "false";
        assertEval("C.class.getAnnotationsByType(A.class).length > 0;", isRuntimeVisible);
        assertEval("C.class.getDeclaredConstructor().getAnnotationsByType(A.class).length > 0;", isRuntimeVisible);
        assertEval("C.class.getDeclaredMethod(\"f\").getAnnotationsByType(A.class).length > 0;", isRuntimeVisible);
        assertEval("C.class.getDeclaredField(\"f\").getAnnotationsByType(A.class).length > 0;", isRuntimeVisible);
        assertEval("C.Inner.class.getAnnotationsByType(A.class).length > 0;", isRuntimeVisible);
    }
}