273 lines
13 KiB
Java
273 lines
13 KiB
Java
/*
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* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test 8080069 8152925
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* @summary Test of Snippet redefinition and replacement.
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* @build KullaTesting TestingInputStream
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* @run testng ReplaceTest
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*/
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import java.util.Iterator;
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import java.util.stream.Stream;
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import jdk.jshell.Snippet;
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import jdk.jshell.MethodSnippet;
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import jdk.jshell.TypeDeclSnippet;
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import jdk.jshell.VarSnippet;
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import org.testng.annotations.Test;
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import static org.testng.Assert.assertFalse;
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import static jdk.jshell.Snippet.Status.*;
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import static jdk.jshell.Snippet.SubKind.*;
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import static org.testng.Assert.assertTrue;
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@Test
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public class ReplaceTest extends KullaTesting {
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public void testRedefine() {
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Snippet vx = varKey(assertEval("int x;"));
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Snippet mu = methodKey(assertEval("int mu() { return x * 4; }"));
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Snippet c = classKey(assertEval("class C { String v() { return \"#\" + mu(); } }"));
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assertEval("C c0 = new C();");
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assertEval("c0.v();", "\"#0\"");
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assertEval("int x = 10;", "10",
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ste(MAIN_SNIPPET, VALID, VALID, false, null),
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ste(vx, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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assertEval("c0.v();", "\"#40\"");
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assertEval("C c = new C();");
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assertEval("c.v();", "\"#40\"");
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assertEval("int mu() { return x * 3; }",
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ste(MAIN_SNIPPET, VALID, VALID, false, null),
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ste(mu, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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assertEval("c.v();", "\"#30\"");
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assertEval("class C { String v() { return \"@\" + mu(); } }",
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ste(MAIN_SNIPPET, VALID, VALID, false, null),
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ste(c, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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assertEval("c0.v();", "\"@30\"");
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assertEval("c = new C();");
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assertEval("c.v();", "\"@30\"");
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assertActiveKeys();
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}
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public void testReplaceClassToVar() {
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Snippet oldA = classKey(assertEval("class A { public String toString() { return \"old\"; } }"));
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Snippet v = varKey(assertEval("A a = new A();", "old"));
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assertEval("a;", "old");
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Snippet midA = classKey(assertEval("class A { public String toString() { return \"middle\"; } }",
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ste(MAIN_SNIPPET, VALID, VALID, false, null),
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ste(oldA, VALID, OVERWRITTEN, false, MAIN_SNIPPET)));
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assertEval("a;", "middle");
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assertEval("class A { int x; public String toString() { return \"new\"; } }",
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(midA, VALID, OVERWRITTEN, false, MAIN_SNIPPET),
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ste(v, VALID, VALID, true, MAIN_SNIPPET));
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assertEval("a;", "null");
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assertActiveKeys();
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}
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private <T extends Snippet> void identityMatch(Stream<T> got, T expected) {
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Iterator<T> it = got.iterator();
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assertTrue(it.hasNext(), "expected exactly one");
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assertTrue(expected == it.next(), "Identity must not change");
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assertFalse(it.hasNext(), "expected exactly one");
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}
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public void testReplaceVarToMethod() {
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Snippet x = varKey(assertEval("int x;"));
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MethodSnippet musn = methodKey(assertEval("double mu() { return x * 4; }"));
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assertEval("x == 0;", "true");
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assertEval("mu() == 0.0;", "true");
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assertEval("double x = 2.5;",
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(x, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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identityMatch(getState().methods(), musn);
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assertEval("x == 2.5;", "true");
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assertEval("mu() == 10.0;", "true"); // Auto redefine
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assertActiveKeys();
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}
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public void testReplaceMethodToMethod() {
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Snippet a = methodKey(assertEval("double a() { return 2; }"));
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Snippet b = methodKey(assertEval("double b() { return a() * 10; }"));
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assertEval("double c() { return b() * 3; }");
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assertEval("double d() { return c() + 1000; }");
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assertEval("d();", "1060.0");
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assertEval("int a() { return 5; }",
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(a, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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assertEval("d();", "1150.0");
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assertActiveKeys();
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}
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public void testReplaceClassToMethod() {
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Snippet c = classKey(assertEval("class C { int f() { return 7; } }"));
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Snippet m = methodKey(assertEval("int m() { return new C().f(); }"));
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assertEval("m();", "7");
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assertEval("class C { int x = 99; int f() { return x; } }",
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(c, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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assertEval("m();", "99");
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assertActiveKeys();
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}
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public void testReplaceVarToClass() {
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Snippet x = varKey(assertEval("int x;"));
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TypeDeclSnippet c = classKey(assertEval("class A { double a = 4 * x; }"));
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assertEval("x == 0;", "true");
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assertEval("new A().a == 0.0;", "true");
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assertEval("double x = 2.5;",
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(x, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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identityMatch(getState().types(), c);
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assertEval("x == 2.5;", "true");
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assertEval("new A().a == 10.0;", "true");
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assertActiveKeys();
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}
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public void testReplaceMethodToClass() {
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Snippet x = methodKey(assertEval("int x() { return 0; }"));
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TypeDeclSnippet c = classKey(assertEval("class A { double a = 4 * x(); }"));
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assertEval("x() == 0;", "true");
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assertEval("new A().a == 0.0;", "true");
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assertEval("double x() { return 2.5; }",
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(x, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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assertEval("x();", "2.5");
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identityMatch(getState().types(), c);
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assertEval("x() == 2.5;", "true");
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assertEval("new A().a == 10.0;", "true");
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assertActiveKeys();
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}
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public void testReplaceClassToClass() {
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TypeDeclSnippet a = classKey(assertEval("class A {}"));
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assertTypeDeclSnippet(a, "A", VALID, CLASS_SUBKIND, 0, 0);
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TypeDeclSnippet b = classKey(assertEval("class B extends A {}"));
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TypeDeclSnippet c = classKey(assertEval("class C extends B {}"));
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TypeDeclSnippet d = classKey(assertEval("class D extends C {}"));
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assertEval("class A { int x; public String toString() { return \"NEW\"; } }",
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(a, VALID, OVERWRITTEN, false, MAIN_SNIPPET),
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ste(b, VALID, VALID, true, MAIN_SNIPPET),
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ste(c, VALID, VALID, true, b),
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ste(d, VALID, VALID, true, c));
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assertTypeDeclSnippet(b, "B", VALID, CLASS_SUBKIND, 0, 0);
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assertTypeDeclSnippet(c, "C", VALID, CLASS_SUBKIND, 0, 0);
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assertTypeDeclSnippet(d, "D", VALID, CLASS_SUBKIND, 0, 0);
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assertEval("new D();", "NEW");
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assertActiveKeys();
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}
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public void testOverwriteReplaceMethod() {
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MethodSnippet k1 = methodKey(assertEval("String m(Integer i) { return i.toString(); }"));
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MethodSnippet k2 = methodKey(assertEval("String m(java.lang.Integer i) { return \"java.lang.\" + i.toString(); }",
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(k1, VALID, OVERWRITTEN, false, MAIN_SNIPPET)));
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assertMethodDeclSnippet(k1, "m", "(Integer)String", OVERWRITTEN, 0, 0);
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assertEval("m(6);", "\"java.lang.6\"");
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assertEval("String m(Integer i) { return i.toString(); }",
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(k2, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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assertMethodDeclSnippet(k2, "m", "(java.lang.Integer)String", OVERWRITTEN, 0, 0);
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assertEval("m(6);", "\"6\"");
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assertActiveKeys();
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}
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public void testImportDeclare() {
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Snippet singleImport = importKey(assertEval("import java.util.List;", added(VALID)));
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Snippet importOnDemand = importKey(assertEval("import java.util.*;", added(VALID)));
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Snippet singleStaticImport = importKey(assertEval("import static java.lang.Math.abs;", added(VALID)));
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Snippet staticImportOnDemand = importKey(assertEval("import static java.lang.Math.*;", added(VALID)));
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assertEval("import java.util.List; //again",
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ste(MAIN_SNIPPET, VALID, VALID, false, null),
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ste(singleImport, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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assertEval("import java.util.*; //again",
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ste(MAIN_SNIPPET, VALID, VALID, false, null),
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ste(importOnDemand, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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assertEval("import static java.lang.Math.abs; //again",
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ste(MAIN_SNIPPET, VALID, VALID, false, null),
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ste(singleStaticImport, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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assertEval("import static java.lang.Math.*; //again",
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ste(MAIN_SNIPPET, VALID, VALID, false, null),
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ste(staticImportOnDemand, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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assertActiveKeys();
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}
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@Test(enabled = false) // TODO 8129420
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public void testLocalClassEvolve() {
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Snippet j = methodKey(assertEval("Object j() { return null; }", added(VALID)));
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assertEval("Object j() { class B {}; return null; }",
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ste(MAIN_SNIPPET, VALID, VALID, false, null));
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assertEval("Object j() { class B {}; return new B(); }",
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ste(MAIN_SNIPPET, VALID, VALID, false, null));
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assertEval("j().getClass().getSimpleName();", "\"B\"");
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assertEval("Object j() { class B { int p; public String toString() { return \"Yep\";} }; return new B(); }",
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ste(MAIN_SNIPPET, VALID, VALID, false, null));
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assertEval("j().getClass().getSimpleName();", "\"B\"");
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assertEval("j();", "Yep");
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}
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public void testReplaceCausesMethodReferenceError() {
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Snippet l = classKey(assertEval("interface Logger { public void log(String message); }", added(VALID)));
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Snippet v = varKey(assertEval("Logger l = System.out::println;", added(VALID)));
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assertEval("interface Logger { public boolean accept(String message); }",
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DiagCheck.DIAG_OK,
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DiagCheck.DIAG_ERROR,
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(l, VALID, OVERWRITTEN, false, MAIN_SNIPPET),
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ste(v, VALID, RECOVERABLE_NOT_DEFINED, true, MAIN_SNIPPET));
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}
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public void testReplaceCausesClassCompilationError() {
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Snippet l = classKey(assertEval("interface L { }", added(VALID)));
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Snippet c = classKey(assertEval("class C implements L { }", added(VALID)));
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assertEval("interface L { void m(); }",
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DiagCheck.DIAG_OK,
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DiagCheck.DIAG_ERROR,
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(l, VALID, OVERWRITTEN, false, MAIN_SNIPPET),
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ste(c, VALID, RECOVERABLE_NOT_DEFINED, true, MAIN_SNIPPET));
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}
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public void testOverwriteNoUpdate() {
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String xsi = "int x = 5;";
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String xsd = "double x = 3.14159;";
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VarSnippet xi = varKey(assertEval(xsi, added(VALID)));
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String ms1 = "double m(Integer i) { return i + x; }";
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String ms2 = "double m(java.lang.Integer i) { return i + x; }";
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MethodSnippet k1 = methodKey(assertEval(ms1, added(VALID)));
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VarSnippet xd = varKey(assertEval(xsd,
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(xi, VALID, OVERWRITTEN, false, MAIN_SNIPPET)));
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MethodSnippet k2 = methodKey(assertEval(ms2,
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ste(MAIN_SNIPPET, VALID, VALID, true, null), //TODO: technically, should be false
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ste(k1, VALID, OVERWRITTEN, false, MAIN_SNIPPET)));
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VarSnippet xi2 = varKey(assertEval(xsi,
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(xd, VALID, OVERWRITTEN, false, MAIN_SNIPPET)));
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varKey(assertEval(xsd,
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ste(MAIN_SNIPPET, VALID, VALID, true, null),
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ste(xi2, VALID, OVERWRITTEN, false, MAIN_SNIPPET)));
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}
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}
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