Failed
org.eclipse.jdt.core.tests.compiler.regression.NullReferenceTest.testBug454031 - 1.8 (from org.eclipse.jdt.core.tests.compiler.regression.TestAll)
Error Message
testBug454031 - Eclipse found error(s) but Javac did not find any. ----------- Expected ------------ ------------ but was ------------ ----------\n 1. ERROR in xy\Try.java (at line 17)\n System.out.println(selectedNode.hashCode());\n ^^^^^^^^^^^^\n Null pointer access: The variable selectedNode can only be null at this location\n ----------\n --------- Difference is ---------- expected:<[]> but was:<[----------\n 1. ERROR in xy\Try.java (at line 17)\n System.out.println(selectedNode.hashCode());\n ^^^^^^^^^^^^\n Null pointer access: The variable selectedNode can only be null at this location\n ----------\n ]>
Stacktrace
junit.framework.ComparisonFailure: testBug454031 - Eclipse found error(s) but Javac did not find any. ----------- Expected ------------ ------------ but was ------------ ----------\n 1. ERROR in xy\Try.java (at line 17)\n System.out.println(selectedNode.hashCode());\n ^^^^^^^^^^^^\n Null pointer access: The variable selectedNode can only be null at this location\n ----------\n --------- Difference is ---------- expected:<[]> but was:<[----------\n 1. ERROR in xy\Try.java (at line 17)\n System.out.println(selectedNode.hashCode());\n ^^^^^^^^^^^^\n Null pointer access: The variable selectedNode can only be null at this location\n ----------\n ]> at org.eclipse.jdt.core.tests.junit.extension.TestCase.assertStringEquals(TestCase.java:260) at org.eclipse.jdt.core.tests.junit.extension.TestCase.assertEquals(TestCase.java:236) at org.eclipse.jdt.core.tests.compiler.regression.AbstractRegressionTest.runJavac(AbstractRegressionTest.java:2044) at org.eclipse.jdt.core.tests.compiler.regression.AbstractRegressionTest.runTest(AbstractRegressionTest.java:2814) at org.eclipse.jdt.core.tests.compiler.regression.AbstractRegressionTest.runTest(AbstractRegressionTest.java:2539) at org.eclipse.jdt.core.tests.compiler.regression.AbstractRegressionTest.runNegativeTest(AbstractRegressionTest.java:2113) at org.eclipse.jdt.core.tests.compiler.regression.AbstractRegressionTest.runNegativeTest(AbstractRegressionTest.java:2102) at org.eclipse.jdt.core.tests.compiler.regression.NullReferenceTest.testBug454031(NullReferenceTest.java:17644)
Standard Output
org.eclipse.jdt.core.tests.compiler.regression.NullReferenceTest#testBug454031 - 1.8 xy/Try.java [ package xy; public class Try { public static void main(String[] args) { foo(new Node()); } static void foo(Node n) { Node selectedNode= n; if (selectedNode == null) { return; } while (selectedNode != null && !(selectedNode instanceof Cloneable)) { selectedNode= selectedNode.getParent(); } if (selectedNode == null) { //wrong problem: Null comparison always yields false: The variable selectedNode cannot be null at this location // wrong problem: dead code System.out.println(selectedNode.hashCode()); } } } class Node { Node getParent() { return null; } } ] Full results sent to /tmp/comptest/run.1514610271420/1.8.0_131_20171230_000432.txt
Standard Error
----------------------------------------