1 files changed, 29 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/p2/tests/artifact/processors/Pack200ProcessorTest.java b/bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/p2/tests/artifact/processors/Pack200ProcessorTest.java
index 73c829551..b2b8f93b3 100644
--- a/bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/p2/tests/artifact/processors/Pack200ProcessorTest.java
+++ b/bundles/org.eclipse.equinox.p2.tests/src/org/eclipse/equinox/p2/tests/artifact/processors/Pack200ProcessorTest.java
@@ -68,4 +68,33 @@ public class Pack200ProcessorTest extends TestCase {
 		assertFalse(step.getStatus().isOK());
 	}
 
+	/**
+	 * Tests the case where we are unpacking a file that was not packed by 
+	 * our own pack step. In this case the eclipse.inf may not be present
+	 * and we must not attempt to modify it.
+	 * @throws IOException
+	 */
+	public void testUnpackFileNotPackedByJarProcessor() throws IOException {
+		//this test is only applicable if pack200 is available
+		if (!PackStep.canPack())
+			return;
+		// Setup the processor
+		ProcessingStep step = new Pack200ProcessorStep();
+		ByteArrayOutputStream destination = new ByteArrayOutputStream();
+		step.link(destination, new NullProgressMonitor());
+
+		// drive the source data through the step
+		Bundle bundle = TestActivator.getContext().getBundle();
+		InputStream inputStream = bundle.getEntry("testData/optimizers/bug387557.bundle_1.0.0.201208200951.jar.pack.gz").openStream();
+		FileUtils.copyStream(inputStream, true, step, true);
+
+		// Get the expected result
+		inputStream = bundle.getEntry("testData/optimizers/bug387557.bundle_1.0.0.201208200951.jar").openStream();
+		ByteArrayOutputStream expected = new ByteArrayOutputStream();
+		FileUtils.copyStream(inputStream, true, expected, true);
+
+		// Compare
+		assertTrue(Arrays.equals(expected.toByteArray(), destination.toByteArray()));
+	}
+
 }