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random failing org.eclipse.core.tests.resources.regression.IResourceTest testCopy_1GA6QJP #41

Closed jukzi closed 2 years ago

jukzi commented 2 years ago

2.0 expected:<1649823792147> but was:<1649823792000>

junit.framework.AssertionFailedError: 2.0 expected:<1649823792147> but was:<1649823792000> at junit.framework.Assert.fail(Assert.java:57) at junit.framework.Assert.failNotEquals(Assert.java:329) at junit.framework.Assert.assertEquals(Assert.java:78) at junit.framework.Assert.assertEquals(Assert.java:159) at junit.framework.TestCase.assertEquals(TestCase.java:302) at org.eclipse.core.tests.resources.regression.IResourceTest.testCopy_1GA6QJP(IResourceTest.java:271)

https://download.eclipse.org/eclipse/downloads/drops4/I20220412-1800/testresults/html/org.eclipse.core.tests.resources_ep424I-unit-mac64-java17_macosx.cocoa.x86_64_17.html

jukzi commented 2 years ago

also https://download.eclipse.org/eclipse/downloads/drops4/I20220412-1800/testresults/html/org.eclipse.core.tests.resources_ep424I-unit-macM1-java17_macosx.cocoa.aarch64_17.html

iloveeclipse commented 2 years ago

Jörg, this is known Mac OS limitation, not caused by any recent changes. There is an old bugzilla.

jukzi commented 2 years ago

https://bugs.eclipse.org/bugs/show_bug.cgi?id=567737

jukzi commented 2 years ago

The test is wrong. It's well documented in java.io.File.lastModified() that some OSes only provide Second accuracy.