ClassesTest.java revision 3731:6bb6785c2329 
1/*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 8145239
27 * @summary Tests for EvaluationState.classes
28 * @build KullaTesting TestingInputStream ExpectedDiagnostic
29 * @run testng ClassesTest
30 */
31
32import java.util.ArrayList;
33import java.util.List;
34
35import javax.tools.Diagnostic;
36
37import jdk.jshell.Snippet;
38import jdk.jshell.TypeDeclSnippet;
39import jdk.jshell.VarSnippet;
40import org.testng.annotations.DataProvider;
41import org.testng.annotations.Test;
42
43import jdk.jshell.Diag;
44import static java.util.stream.Collectors.toList;
45import static jdk.jshell.Snippet.Status.VALID;
46import static jdk.jshell.Snippet.Status.RECOVERABLE_NOT_DEFINED;
47import static jdk.jshell.Snippet.Status.RECOVERABLE_DEFINED;
48import static jdk.jshell.Snippet.Status.DROPPED;
49import static jdk.jshell.Snippet.Status.REJECTED;
50import static jdk.jshell.Snippet.Status.OVERWRITTEN;
51import static jdk.jshell.Snippet.Status.NONEXISTENT;
52import static jdk.jshell.Snippet.SubKind.*;
53import static org.testng.Assert.assertEquals;
54import static org.testng.Assert.assertTrue;
55
56@Test
57public class ClassesTest extends KullaTesting {
58
59    public void noClasses() {
60        assertNumberOfActiveClasses(0);
61    }
62
63    public void testSignature1() {
64        TypeDeclSnippet c1 = classKey(assertEval("class A extends B {}", added(RECOVERABLE_NOT_DEFINED)));
65        assertTypeDeclSnippet(c1, "A", RECOVERABLE_NOT_DEFINED, CLASS_SUBKIND, 1, 0);
66        TypeDeclSnippet c2 = classKey(assertEval("@interface A { Class<B> f() default B.class; }",
67                ste(MAIN_SNIPPET, RECOVERABLE_NOT_DEFINED, RECOVERABLE_NOT_DEFINED, false, null),
68                ste(c1, RECOVERABLE_NOT_DEFINED, OVERWRITTEN, false, MAIN_SNIPPET)));
69        assertTypeDeclSnippet(c2, "A", RECOVERABLE_NOT_DEFINED, ANNOTATION_TYPE_SUBKIND, 1, 0);
70        TypeDeclSnippet c3 = classKey(assertEval("enum A {; private A(B b) {} }",
71                ste(MAIN_SNIPPET, RECOVERABLE_NOT_DEFINED, RECOVERABLE_NOT_DEFINED, false, null),
72                ste(c2, RECOVERABLE_NOT_DEFINED, OVERWRITTEN, false, MAIN_SNIPPET)));
73        assertTypeDeclSnippet(c3, "A", RECOVERABLE_NOT_DEFINED, ENUM_SUBKIND, 1, 0);
74        TypeDeclSnippet c4 = classKey(assertEval("interface A extends B {}",
75                ste(MAIN_SNIPPET, RECOVERABLE_NOT_DEFINED, RECOVERABLE_NOT_DEFINED, false, null),
76                ste(c3, RECOVERABLE_NOT_DEFINED, OVERWRITTEN, false, MAIN_SNIPPET)));
77        assertTypeDeclSnippet(c4, "A", RECOVERABLE_NOT_DEFINED, INTERFACE_SUBKIND, 1, 0);
78        TypeDeclSnippet c5 = classKey(assertEval("class A { void f(B b) {} }",
79                ste(MAIN_SNIPPET, RECOVERABLE_NOT_DEFINED, RECOVERABLE_NOT_DEFINED, false, null),
80                ste(c4, RECOVERABLE_NOT_DEFINED, OVERWRITTEN, false, MAIN_SNIPPET)));
81        assertTypeDeclSnippet(c5, "A", RECOVERABLE_NOT_DEFINED, CLASS_SUBKIND, 1, 0);
82    }
83
84    public void testSignature2() {
85        TypeDeclSnippet c1 = (TypeDeclSnippet) assertDeclareFail("class A { void f() { return g(); } }", "compiler.err.prob.found.req");
86        assertTypeDeclSnippet(c1, "A", REJECTED, CLASS_SUBKIND, 0, 2);
87        TypeDeclSnippet c2 = classKey(assertEval("class A { int f() { return g(); } }",
88                ste(c1, NONEXISTENT, RECOVERABLE_DEFINED, true, null)));
89        assertTypeDeclSnippet(c2, "A", RECOVERABLE_DEFINED, CLASS_SUBKIND, 1, 0);
90        assertDrop(c2,
91                ste(c2, RECOVERABLE_DEFINED, DROPPED, true, null));
92    }
93
94    public void classDeclaration() {
95        assertEval("class A { }");
96        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"));
97    }
98
99
100    public void interfaceDeclaration() {
101        assertEval("interface A { }");
102        assertClasses(clazz(KullaTesting.ClassType.INTERFACE, "A"));
103    }
104
105    public void annotationDeclaration() {
106        assertEval("@interface A { }");
107        assertClasses(clazz(KullaTesting.ClassType.ANNOTATION, "A"));
108    }
109
110    public void enumDeclaration() {
111        assertEval("enum A { }");
112        assertClasses(clazz(KullaTesting.ClassType.ENUM, "A"));
113    }
114
115    public void classesDeclaration() {
116        assertEval("interface A { }");
117        assertEval("class B implements A { }");
118        assertEval("interface C extends A { }");
119        assertEval("enum D implements C { }");
120        assertEval("@interface E { }");
121        assertClasses(
122                clazz(KullaTesting.ClassType.INTERFACE, "A"),
123                clazz(KullaTesting.ClassType.CLASS, "B"),
124                clazz(KullaTesting.ClassType.INTERFACE, "C"),
125                clazz(KullaTesting.ClassType.ENUM, "D"),
126                clazz(KullaTesting.ClassType.ANNOTATION, "E"));
127        assertActiveKeys();
128    }
129
130    public void classesRedeclaration1() {
131        Snippet a = classKey(assertEval("class A { }"));
132        Snippet b = classKey(assertEval("interface B { }"));
133        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"), clazz(KullaTesting.ClassType.INTERFACE, "B"));
134        assertActiveKeys();
135
136        assertEval("interface A { }",
137                ste(MAIN_SNIPPET, VALID, VALID, true, null),
138                ste(a, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
139        assertClasses(clazz(KullaTesting.ClassType.INTERFACE, "A"),
140                clazz(KullaTesting.ClassType.INTERFACE, "B"));
141        assertActiveKeys();
142
143        assertEval("interface B { } //again",
144                ste(MAIN_SNIPPET, VALID, VALID, false, null),
145                ste(b, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
146        assertClasses(clazz(KullaTesting.ClassType.INTERFACE, "A"),
147                clazz(KullaTesting.ClassType.INTERFACE, "B"));
148        assertActiveKeys();
149    }
150
151    public void classesRedeclaration2() {
152        assertEval("class A { }");
153        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"));
154        assertActiveKeys();
155
156        Snippet b = classKey(assertEval("class B extends A { }"));
157        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"),
158                clazz(KullaTesting.ClassType.CLASS, "B"));
159        assertActiveKeys();
160
161        Snippet c = classKey(assertEval("class C extends B { }"));
162        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"),
163                clazz(KullaTesting.ClassType.CLASS, "B"), clazz(KullaTesting.ClassType.CLASS, "C"));
164        assertActiveKeys();
165
166        assertEval("interface B { }",
167                DiagCheck.DIAG_OK,
168                DiagCheck.DIAG_ERROR,
169                ste(MAIN_SNIPPET, VALID, VALID, true, null),
170                ste(b, VALID, OVERWRITTEN, false, MAIN_SNIPPET),
171                ste(c, VALID, RECOVERABLE_NOT_DEFINED, true, MAIN_SNIPPET));
172        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"),
173                clazz(KullaTesting.ClassType.INTERFACE, "B"), clazz(KullaTesting.ClassType.CLASS, "C"));
174        assertEval("new C();",
175                DiagCheck.DIAG_ERROR,
176                DiagCheck.DIAG_ERROR,
177                added(REJECTED));
178        assertActiveKeys();
179    }
180
181    //8154496: test3 update: sig change should false
182    public void classesRedeclaration3() {
183        Snippet a = classKey(assertEval("class A { }"));
184        assertClasses(clazz(KullaTesting.ClassType.CLASS, "A"));
185        assertActiveKeys();
186
187        Snippet test1 = methodKey(assertEval("A test() { return null; }"));
188        Snippet test2 = methodKey(assertEval("void test(A a) { }"));
189        Snippet test3 = methodKey(assertEval("void test(int n) {A a;}"));
190        assertActiveKeys();
191
192        assertEval("interface A { }",
193                ste(MAIN_SNIPPET, VALID, VALID, true, null),
194                ste(test1, VALID, VALID, true, MAIN_SNIPPET),
195                ste(test2, VALID, VALID, true, MAIN_SNIPPET),
196                ste(test3, VALID, VALID, true, MAIN_SNIPPET),
197                ste(a, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
198        assertClasses(clazz(KullaTesting.ClassType.INTERFACE, "A"));
199        assertMethods(method("()A", "test"), method("(A)void", "test"), method("(int)void", "test"));
200        assertActiveKeys();
201    }
202
203    public void classesCyclic1() {
204        Snippet b = classKey(assertEval("class B extends A { }",
205                added(RECOVERABLE_NOT_DEFINED)));
206        Snippet a = classKey(assertEval("class A extends B { }", DiagCheck.DIAG_IGNORE, DiagCheck.DIAG_IGNORE,
207                added(REJECTED)));
208        /***
209        assertDeclareFail("class A extends B { }", "****",
210                added(REJECTED),
211                ste(b, RECOVERABLE_NOT_DEFINED, RECOVERABLE_NOT_DEFINED, false, MAIN_SNIPPET));
212        ***/
213        // It is random which one it shows up in, but cyclic error should be there
214        List<Diag> diagsA = getState().diagnostics(a).collect(toList());
215        List<Diag> diagsB = getState().diagnostics(b).collect(toList());
216        List<Diag> diags;
217        if (diagsA.isEmpty()) {
218            diags = diagsB;
219        } else {
220            diags = diagsA;
221            assertTrue(diagsB.isEmpty());
222        }
223        assertEquals(diags.size(), 1, "Expected one error");
224        assertEquals(diags.get(0).getCode(), "compiler.err.cyclic.inheritance", "Expected cyclic inheritance error");
225        assertActiveKeys();
226    }
227
228    public void classesCyclic2() {
229        Snippet d = classKey(assertEval("class D extends E { }", added(RECOVERABLE_NOT_DEFINED)));
230        assertEval("class E { D d; }",
231                added(VALID),
232                ste(d, RECOVERABLE_NOT_DEFINED, VALID, true, MAIN_SNIPPET));
233        assertActiveKeys();
234    }
235
236    public void classesCyclic3() {
237        Snippet outer = classKey(assertEval("class Outer { class Inner extends Foo { } }",
238                added(RECOVERABLE_NOT_DEFINED)));
239        Snippet foo = classKey(assertEval("class Foo { } ",
240                added(VALID),
241                ste(outer, RECOVERABLE_NOT_DEFINED, VALID, true, MAIN_SNIPPET)));
242        assertEval(" class Foo extends Outer { }",
243                ste(MAIN_SNIPPET, VALID, VALID, true, null),
244                ste(foo, VALID, OVERWRITTEN, false, MAIN_SNIPPET),
245                ste(outer, VALID, VALID, true, MAIN_SNIPPET));
246        assertActiveKeys();
247    }
248
249    public void classesIgnoredModifiers() {
250        assertEval("public interface A { }");
251        assertDeclareWarn1("static class B implements A { }",
252                new ExpectedDiagnostic("jdk.eval.warn.illegal.modifiers", 0, 6, 0, -1, -1, Diagnostic.Kind.WARNING));
253        assertDeclareWarn1("final interface C extends A { }",
254                new ExpectedDiagnostic("jdk.eval.warn.illegal.modifiers", 0, 5, 0, -1, -1, Diagnostic.Kind.WARNING));
255        assertActiveKeys();
256    }
257
258    public void ignoreModifierSpaceIssue() {
259        assertEval("interface I { void f(); } ");
260        // there should not be a space between 'I' and '{' to reproduce the failure
261        assertEval("class C implements I{ public void f() {}}");
262        assertClasses(clazz(KullaTesting.ClassType.CLASS, "C"), clazz(KullaTesting.ClassType.INTERFACE, "I"));
263        assertActiveKeys();
264    }
265
266    @DataProvider(name = "innerClasses")
267    public Object[][] innerClasses() {
268        List<Object[]> list = new ArrayList<>();
269        for (ClassType outerClassType : ClassType.values()) {
270            for (ClassType innerClassType : ClassType.values()) {
271                list.add(new Object[]{outerClassType, innerClassType});
272            }
273        }
274        return list.toArray(new Object[list.size()][]);
275    }
276
277    @Test(dataProvider = "innerClasses")
278    public void innerClasses(ClassType outerClassType, ClassType innerClassType) {
279        String source =
280                outerClassType + " A {" + (outerClassType == ClassType.ENUM ? ";" : "") +
281                innerClassType + " B { }" +
282                "}";
283        assertEval(source);
284        assertNumberOfActiveClasses(1);
285        assertActiveKeys();
286    }
287
288    public void testInnerClassesCrash() {
289        Snippet a = classKey(assertEval("class A { class B extends A {} }"));
290        Snippet a2 = classKey(assertEval("class A { interface I1 extends I2 {} interface I2 {} }",
291                ste(MAIN_SNIPPET, VALID, VALID, false, null),
292                ste(a, VALID, OVERWRITTEN, false, MAIN_SNIPPET)));
293        assertEval("class A { A a = new A() {}; }",
294                ste(MAIN_SNIPPET, VALID, VALID, true, null),
295                ste(a2, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
296    }
297
298    public void testInnerClassesCrash1() {
299        assertEval("class A { class B extends A {} B getB() { return new B();} }");
300        assertEquals(varKey(assertEval("A a = new A();")).name(), "a");
301        VarSnippet variableKey = varKey(assertEval("a.getB();"));
302        assertEquals(variableKey.typeName(), "A.B");
303    }
304
305    public void testInnerClassesCrash2() {
306        assertEval("class A { interface I1 extends I2 {} interface I2 {} I1 x; }");
307        assertEquals(varKey(assertEval("A a = new A();")).name(), "a");
308        VarSnippet variableKey = varKey(assertEval("a.x;"));
309        assertEquals(variableKey.typeName(), "A.I1");
310    }
311}
312