author | aeremeev |
Wed, 10 Dec 2014 21:45:39 +0200 | |
changeset 27997 | 44407cab4584 |
parent 27994 | 6515d11b2559 |
child 30730 | d3ce7619db2c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2014, 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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/* |
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* @test |
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* @bug 8064794 |
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* @summary The negative test against cyclic dependencies. |
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* @library /tools/lib |
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* @build ToolBox NegativeCyclicDependencyTest |
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* @run main NegativeCyclicDependencyTest |
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*/ |
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import javax.tools.JavaCompiler; |
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import javax.tools.ToolProvider; |
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import java.io.StringWriter; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.List; |
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/** |
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* The test generates the following code: |
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* |
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* package pkg; |
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* import pkg.B.InnerB; |
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* class A extends InnerB { |
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* static class InnerA {} |
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* } |
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* |
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* package pkg; |
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* import pkg.A.InnerA; |
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* class B extends InnerA { |
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* static class InnerB {} |
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* } |
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* |
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* compiles and checks whether compilation fails with the correct message. |
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* The test generates all possible combination of inheritance: |
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* 1. A extends InnerB, B extends InnerA; |
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* 2. InnerA extends InnerB, InnerB extends InnerA; |
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* 3. A extends InnerB, InnerB extends InnerA; |
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* 4. B extends InnerA, InnerA extends InnerB; |
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* 5. A extends InnerA. |
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* The test checks class, enum and interface as parent class, and checks all |
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* possible import statements. |
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*/ |
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public class NegativeCyclicDependencyTest { |
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private final static String expectedErrorMessage = |
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"\\w+:\\d+:\\d+: compiler.err.cyclic.inheritance: [\\w.]+\n1 error\n"; |
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|
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private final static String[] sourceTemplatesA = { |
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"package pkg;\n" + |
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"#IMPORT_TYPE\n" + |
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"#OUTER_CLASS A #INHERIT InnerB {#ENUM_SEMI\n" + |
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" static #INNER_CLASS InnerA {}\n" + |
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"}", |
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"package pkg;\n" + |
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"#IMPORT_TYPE\n" + |
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"#OUTER_CLASS A {#ENUM_SEMI\n" + |
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" static #INNER_CLASS InnerA #INHERIT InnerB {}\n" + |
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"}" |
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}; |
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private final static String[] sourceTemplatesB = { |
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"package pkg;\n" + |
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"#IMPORT_TYPE\n" + |
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"#OUTER_CLASS B #INHERIT InnerA {#ENUM_SEMI\n" + |
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" static #INNER_CLASS InnerB {}\n" + |
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"}", |
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"package pkg;\n" + |
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"#IMPORT_TYPE\n" + |
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"#OUTER_CLASS B {#ENUM_SEMI\n" + |
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" static #INNER_CLASS InnerB #INHERIT InnerA {}\n" + |
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"}" |
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}; |
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private final static String sourceTemplate = |
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"package pkg;\n" + |
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"#IMPORT_TYPE\n" + |
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"#OUTER_CLASS A #INHERIT InnerA {#ENUM_SEMI\n" + |
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" static #INNER_CLASS InnerA {}\n" + |
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"}"; |
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public static void main(String[] args) { |
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new NegativeCyclicDependencyTest().test(); |
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} |
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public void test() { |
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int passed = 0; |
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List<TestCase> testCases = generateTestCases(); |
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for (TestCase testCase : testCases) { |
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try { |
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String output = compile(testCase.sources); |
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if (!output.matches(testCase.expectedMessage)) { |
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reportFailure(testCase); |
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printf(String.format("Message: %s, does not match regexp: %s\n", |
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output, testCase.expectedMessage)); |
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} else { |
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++passed; |
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} |
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} catch (RuntimeException e) { |
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reportFailure(testCase); |
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e.printStackTrace(); |
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} |
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} |
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String message = String.format( |
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"Total test cases run: %d, passed: %d, failed: %d.", |
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testCases.size(), passed, testCases.size() - passed); |
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if (passed != testCases.size()) { |
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throw new RuntimeException(message); |
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} |
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echo(message); |
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} |
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private void reportFailure(TestCase testCase) { |
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echo("Test case failed."); |
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for (ToolBox.JavaSource source : testCase.sources) { |
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echo(source.getCharContent(true)); |
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echo(); |
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138 |
} |
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139 |
} |
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140 |
|
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141 |
public List<TestCase> generateTestCases() { |
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List<TestCase> testCases = generateTestCasesWithTwoClasses(); |
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testCases.addAll(generateTestCasesWithOneClass()); |
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return testCases; |
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145 |
} |
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146 |
|
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private List<TestCase> generateTestCasesWithOneClass() { |
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String importedClassName = "pkg.A.InnerA"; |
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List<TestCase> testCases = new ArrayList<>(); |
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for (ClassType outerClass : ClassType.values()) { |
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151 |
for (ClassType innerClass : ClassType.values()) { |
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if (!outerClass.canInherit(innerClass)) { |
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continue; |
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154 |
} |
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155 |
for (ImportType importType : ImportType.values()) { |
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String source = generateSource( |
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sourceTemplate, |
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outerClass, |
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innerClass, |
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outerClass.inheritedString(innerClass), |
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importType, |
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importedClassName); |
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testCases.add(new TestCase(expectedErrorMessage, |
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new ToolBox.JavaSource("A", source))); |
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165 |
} |
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166 |
} |
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167 |
} |
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return testCases; |
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169 |
} |
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170 |
|
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private List<TestCase> generateTestCasesWithTwoClasses() { |
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String importedClassName1 = "pkg.A.InnerA"; |
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String importedClassName2 = "pkg.B.InnerB"; |
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List<TestCase> testCases = new ArrayList<>(); |
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for (int i = 0; i < sourceTemplatesA.length; ++i) { |
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176 |
for (int j = 0; j < sourceTemplatesB.length; ++j) { |
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177 |
for (ClassType outerClass1 : ClassType.values()) { |
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178 |
for (ClassType outerClass2 : ClassType.values()) { |
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179 |
for (ClassType innerClass1 : ClassType.values()) { |
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180 |
for (ClassType innerClass2 : ClassType.values()) { |
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ClassType childClass1 = i == 0 ? outerClass1 : innerClass1; |
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ClassType childClass2 = j == 0 ? outerClass2 : innerClass2; |
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183 |
if (!childClass1.canInherit(innerClass2) || |
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184 |
!childClass2.canInherit(innerClass1)) { |
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185 |
continue; |
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|
186 |
} |
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|
187 |
for (ImportType importType1 : ImportType.values()) { |
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|
188 |
for (ImportType importType2 : ImportType.values()) { |
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|
189 |
String sourceA = generateSource( |
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|
190 |
sourceTemplatesA[i], |
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|
191 |
outerClass1, |
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|
192 |
innerClass1, |
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|
193 |
childClass1.inheritedString(innerClass2), |
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|
194 |
importType1, |
a9130450407e
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|
195 |
importedClassName2); |
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|
196 |
String sourceB = generateSource( |
a9130450407e
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|
197 |
sourceTemplatesB[j], |
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|
198 |
outerClass2, |
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|
199 |
innerClass2, |
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|
200 |
childClass2.inheritedString(innerClass1), |
a9130450407e
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|
201 |
importType2, |
a9130450407e
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|
202 |
importedClassName1); |
a9130450407e
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|
203 |
testCases.add(new TestCase(expectedErrorMessage, |
a9130450407e
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|
204 |
new ToolBox.JavaSource("A", sourceA), |
a9130450407e
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|
205 |
new ToolBox.JavaSource("B", sourceB))); |
a9130450407e
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|
206 |
testCases.add(new TestCase(expectedErrorMessage, |
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|
207 |
new ToolBox.JavaSource("B", sourceB), |
a9130450407e
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|
208 |
new ToolBox.JavaSource("A", sourceA))); |
a9130450407e
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|
209 |
} |
a9130450407e
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|
210 |
} |
a9130450407e
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|
211 |
} |
a9130450407e
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|
212 |
} |
a9130450407e
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|
213 |
} |
a9130450407e
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|
214 |
} |
a9130450407e
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|
215 |
} |
a9130450407e
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|
216 |
} |
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|
217 |
return testCases; |
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|
218 |
} |
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|
219 |
|
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|
220 |
public String generateSource(String template, |
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|
221 |
ClassType outerClass, |
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|
222 |
ClassType innerClass, |
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|
223 |
String inheritString, |
a9130450407e
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|
224 |
ImportType importType, |
a9130450407e
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|
225 |
String innerClassName) { |
a9130450407e
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|
226 |
return template |
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|
227 |
.replace("#OUTER_CLASS", outerClass.getType()) |
a9130450407e
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|
228 |
.replace("#INNER_CLASS", innerClass.getType()) |
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|
229 |
.replace("#INHERIT", inheritString) |
a9130450407e
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|
230 |
.replace("#IMPORT_TYPE", importType.getImport(innerClassName)) |
a9130450407e
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|
231 |
.replace("#ENUM_SEMI", outerClass == ClassType.ENUM ? ";" : ""); |
a9130450407e
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|
232 |
} |
a9130450407e
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|
233 |
|
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|
234 |
/** |
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|
235 |
* Compiles sources with -XDrawDiagnostics flag and |
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|
236 |
* returns the output of compilation. |
a9130450407e
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|
237 |
* |
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|
238 |
* @param sources sources |
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|
239 |
* @return the result of compilation |
a9130450407e
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|
240 |
*/ |
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|
241 |
private String compile(ToolBox.JavaSource...sources) { |
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|
242 |
JavaCompiler jc = ToolProvider.getSystemJavaCompiler(); |
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|
243 |
StringWriter writer = new StringWriter(); |
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|
244 |
JavaCompiler.CompilationTask ct = jc.getTask(writer, null, null, |
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|
245 |
Arrays.asList("-XDrawDiagnostics"), |
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|
246 |
null, Arrays.asList(sources)); |
a9130450407e
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|
247 |
if (ct.call()) { |
a9130450407e
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|
248 |
throw new RuntimeException("Expected compilation failure."); |
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|
249 |
} |
27994
6515d11b2559
8066961: NegativeCyclicDependencyTest.java fails on Windows
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27993
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|
250 |
return writer.toString().replace(ToolBox.lineSeparator, "\n"); |
27993
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|
251 |
} |
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|
252 |
|
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|
253 |
public void echo() { |
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|
254 |
echo(""); |
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|
255 |
} |
a9130450407e
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|
256 |
|
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|
257 |
public void echo(CharSequence message) { |
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|
258 |
echo(message.toString()); |
a9130450407e
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|
259 |
} |
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|
260 |
|
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|
261 |
public void echo(String message) { |
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|
262 |
printf(message + "\n"); |
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|
263 |
} |
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|
264 |
|
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|
265 |
public void printf(String template, Object...args) { |
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|
266 |
System.err.print(String.format(template, args).replace("\n", ToolBox.lineSeparator)); |
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|
267 |
} |
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|
268 |
|
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|
269 |
/** |
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|
270 |
* The class represents a test case. |
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|
271 |
*/ |
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272 |
public static class TestCase { |
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273 |
public final ToolBox.JavaSource[] sources; |
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274 |
public final String expectedMessage; |
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275 |
|
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public TestCase(String expectedMessage, ToolBox.JavaSource...sources) { |
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this.sources = sources; |
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this.expectedMessage = expectedMessage; |
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} |
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} |
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/** |
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* The enum represents all possible imports. |
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*/ |
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public enum ImportType { |
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SINGLE_IMPORT("import %s;"), |
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IMPORT_ON_DEMAND("import %s.*;"), |
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SINGLE_STATIC_IMPORT("import static %s;"), |
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STATIC_IMPORT_ON_DEMAND("import static %s.*;"); |
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private final String type; |
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private ImportType(String type) { |
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this.type = type; |
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} |
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public String getImport(String className) { |
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if (this == ImportType.IMPORT_ON_DEMAND || this == ImportType.STATIC_IMPORT_ON_DEMAND) { |
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int lastDot = className.lastIndexOf('.'); |
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className = className.substring(0, lastDot); |
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} |
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return String.format(type, className); |
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} |
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} |
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/** |
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* The enum represents all possible class types that can be used in |
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* inheritance. |
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*/ |
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public enum ClassType { |
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CLASS("class"), INTERFACE("interface"), ENUM("enum"); |
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public boolean canInherit(ClassType innerClass) { |
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return innerClass != ENUM && !(this == ENUM && innerClass == ClassType.CLASS |
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|| this == INTERFACE && innerClass == ClassType.CLASS); |
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} |
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public String inheritedString(ClassType innerClass) { |
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if (!canInherit(innerClass)) { |
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throw new IllegalArgumentException(String.format("%s cannot inherit %s", this, innerClass)); |
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} |
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return this == innerClass ? "extends" : "implements"; |
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} |
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private final String type; |
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private ClassType(String type) { |
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this.type = type; |
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} |
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public String getType() { |
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return type; |
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} |
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} |
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} |