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

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