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add contract to UsefulTestCase.assertInstanceOf

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Konstantin Ulitin
2015-05-29 12:49:55 +03:00
parent e7aec215f6
commit 3db05ff839
1 changed files with 2 additions and 0 deletions
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platform/testFramework/src/com/intellij/testFramework/UsefulTestCase.java
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@@ -51,6 +51,7 @@ import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.intellij.lang.annotations.RegExp;
import org.jdom.Element;
import org.jetbrains.annotations.Contract;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
@@ -656,6 +657,7 @@ public abstract class UsefulTestCase extends TestCase {
}
}
@Contract("null, _ -> fail")
public static <T> T assertInstanceOf(Object o, Class<T> aClass) {
Assert.assertNotNull("Expected instance of: " + aClass.getName() + " actual: " + null, o);
Assert.assertTrue("Expected instance of: " + aClass.getName() + " actual: " + o.getClass().getName(), aClass.isInstance(o));