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