/* * 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;public class ReplaceTest extends KullaTesting {public void testRedefine() {"int x;" ));"int mu() { return x * 4; }" ));"class C { String v() { return \" #\" + mu(); } }" ));"C c0 = new C();" );"c0.v();" , "\" #0\"" );"int x = 10;" , "10" ,false , null ),false , MAIN_SNIPPET));"c0.v();" , "\" #40\"" );"C c = new C();" );"c.v();" , "\" #40\"" );"int mu() { return x * 3; }" ,false , null ),false , MAIN_SNIPPET));"c.v();" , "\" #30\"" );"class C { String v() { return \" @\" + mu(); } }" ,false , null ),false , MAIN_SNIPPET));"c0.v();" , "\" @30\"" );"c = new C();" );"c.v();" , "\" @30\"" );public void testReplaceClassToVar() {"class A { public String toString() { return \" old\"; } }" ));"A a = new A();" , "old" ));"a;" , "old" );"class A { public String toString() { return \" middle\"; } }" ,false , null ),false , MAIN_SNIPPET)));"a;" , "middle" );"class A { int x; public String toString() { return \" new \"; } }" ,true , null ),false , MAIN_SNIPPET),true , MAIN_SNIPPET));"a;" , "null" );private <T extends Snippet> void identityMatch(Stream<T> got, T expected) {"expected exactly one" );"Identity must not change" );"expected exactly one" );public void testReplaceVarToMethod() {"int x;" ));"double mu() { return x * 4; }" ));"x == 0;" , "true" );"mu() == 0.0;" , "true" );"double x = 2.5;" ,true , null ),false , MAIN_SNIPPET));"x == 2.5;" , "true" );"mu() == 10.0;" , "true" ); // Auto redefine public void testReplaceMethodToMethod() {"double a() { return 2; }" ));"double b() { return a() * 10; }" ));"double c() { return b() * 3; }" );"double d() { return c() + 1000; }" );"d();" , "1060.0" );"int a() { return 5; }" ,true , null ),false , MAIN_SNIPPET));"d();" , "1150.0" );public void testReplaceClassToMethod() {"class C { int f() { return 7; } }" ));"int m() { return new C().f(); }" ));"m();" , "7" );"class C { int x = 99; int f() { return x; } }" ,true , null ),false , MAIN_SNIPPET));"m();" , "99" );public void testReplaceVarToClass() {"int x;" ));"class A { double a = 4 * x; }" ));"x == 0;" , "true" );"new A().a == 0.0;" , "true" );"double x = 2.5;" ,true , null ),false , MAIN_SNIPPET));"x == 2.5;" , "true" );"new A().a == 10.0;" , "true" );public void testReplaceMethodToClass() {"int x() { return 0; }" ));"class A { double a = 4 * x(); }" ));"x() == 0;" , "true" );"new A().a == 0.0;" , "true" );"double x() { return 2.5; }" ,true , null ),false , MAIN_SNIPPET));"x();" , "2.5" );"x() == 2.5;" , "true" );"new A().a == 10.0;" , "true" );public void testReplaceClassToClass() {"class A {}" ));"A" , VALID, CLASS_SUBKIND, 0, 0);"class B extends A {}" ));"class C extends B {}" ));"class D extends C {}" ));"class A { int x; public String toString() { return \" NEW \"; } }" ,true , null ),false , MAIN_SNIPPET),true , MAIN_SNIPPET),true , b),true , c));"B" , VALID, CLASS_SUBKIND, 0, 0);"C" , VALID, CLASS_SUBKIND, 0, 0);"D" , VALID, CLASS_SUBKIND, 0, 0);"new D();" , "NEW" );public void testOverwriteReplaceMethod() {"String m(Integer i) { return i.toString(); }" ));"String m(java.lang.Integer i) { return \" java.lang.\" + i.toString(); }" ,true , null ),false , MAIN_SNIPPET)));"m" , "(Integer)String" , OVERWRITTEN, 0, 0);"m(6);" , "\" java.lang.6\"" );"String m(Integer i) { return i.toString(); }" ,true , null ),false , MAIN_SNIPPET));"m" , "(java.lang.Integer)String" , OVERWRITTEN, 0, 0);"m(6);" , "\" 6\"" );public void testImportDeclare() {"import java.util.List;" , added(VALID)));"import java.util.*;" , added(VALID)));"import static java.lang.Math.abs;" , added(VALID)));"import static java.lang.Math.*;" , added(VALID)));"import java.util.List; //again", false , null ),false , MAIN_SNIPPET));"import java.util.*; //again", false , null ),false , MAIN_SNIPPET));"import static java.lang.Math.abs; //again", false , null ),false , MAIN_SNIPPET));"import static java.lang.Math.*; //again", false , null ),false , MAIN_SNIPPET));false ) // TODO 8129420 public void testLocalClassEvolve() {"Object j() { return null; }" , added(VALID)));"Object j() { class B {}; return null; }" ,false , null ));"Object j() { class B {}; return new B(); }" ,false , null ));"j().getClass().getSimpleName();" , "\" B\"" );"Object j() { class B { int p; public String toString() { return \" Yep\";} }; return new B(); }" ,false , null ));"j().getClass().getSimpleName();" , "\" B\"" );"j();" , "Yep" );public void testReplaceCausesMethodReferenceError() {"interface Logger { public void log(String message); }" , added(VALID)));"Logger l = System.out::println;" , added(VALID)));"interface Logger { public boolean accept(String message); }" ,true , null ),false , MAIN_SNIPPET),true , MAIN_SNIPPET));public void testReplaceCausesClassCompilationError() {"interface L { }" , added(VALID)));"class C implements L { }" , added(VALID)));"interface L { void m(); }" ,true , null ),false , MAIN_SNIPPET),true , MAIN_SNIPPET));public void testOverwriteNoUpdate() {"int x = 5;" ;"double x = 3.14159;" ;"double m(Integer i) { return i + x; }" ;"double m(java.lang.Integer i) { return i + x; }" ;true , null ),false , MAIN_SNIPPET)));true , null ), //TODO: technically, should be false false , MAIN_SNIPPET)));true , null ),false , MAIN_SNIPPET)));true , null ),false , MAIN_SNIPPET)));quality 100%
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