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add tests for Disposer having identity semantics

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GitOrigin-RevId: c7edb3085efc28089f1803dbc4e707d976637104
This commit is contained in:
Alexey Kudravtsev
2020-12-14 11:40:15 +00:00
committed by intellij-monorepo-bot
parent be5d91fc62
commit 628ac735ca
1 changed files with 102 additions and 0 deletions
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platform/util/testSrc/com/intellij/openapi/util/DisposerTest.java
+102
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@@ -6,6 +6,7 @@ import com.intellij.openapi.diagnostic.DefaultLogger;
import com.intellij.openapi.progress.ProcessCanceledException;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.testFramework.LeakHunter;
import com.intellij.testFramework.UsefulTestCase;
import com.intellij.util.IncorrectOperationException;
import com.intellij.util.concurrency.SequentialTaskExecutor;
import junit.framework.TestCase;
@@ -467,4 +468,105 @@ public class DisposerTest extends TestCase {
LeakHunter.checkLeak(Disposer.getTree(), MyDisposable.class);
}
}
public void testDisposerMustHaveIdentitySemanticsForChildren() {
List<Disposable> run = new ArrayList<>();
Disposable disposable0 = new Disposable() {
@Override
public void dispose() {
run.add(this);
}
@Override
public int hashCode() {
return 0;
}
@Override
public boolean equals(Object obj) {
return true;
}
};
Disposable disposable1 = new Disposable() {
@Override
public void dispose() {
run.add(this);
}
@Override
public int hashCode() {
return 0;
}
@Override
public boolean equals(Object obj) {
return true;
}
};
assertEquals(disposable0, disposable1);
// for children
Disposable parent = newDisposable();
Disposer.register(parent, disposable0);
Disposer.register(parent, disposable1);
Disposer.dispose(parent);
assertEquals(2, run.size());
assertSame(disposable1, run.get(0));
assertSame(disposable0, run.get(1));
}
public void testDisposerMustHaveIdentitySemanticsForParent() {
List<Disposable> run = new ArrayList<>();
Disposable disposable0 = new Disposable() {
@Override
public void dispose() {
}
@Override
public int hashCode() {
return 0;
}
@Override
public boolean equals(Object obj) {
return true;
}
};
Disposable disposable1 = new Disposable() {
@Override
public void dispose() {
}
@Override
public int hashCode() {
return 0;
}
@Override
public boolean equals(Object obj) {
return true;
}
};
assertEquals(disposable0, disposable1);
Disposable child0 = new Disposable() {
@Override
public void dispose() {
run.add(this);
}
};
Disposable child1 = new Disposable() {
@Override
public void dispose() {
run.add(this);
}
};
Disposer.register(disposable0, child0);
Disposer.register(disposable1, child1);
Disposer.dispose(disposable0);
assertSame(child0, UsefulTestCase.assertOneElement(run));
run.clear();
Disposer.dispose(disposable1);
assertSame(child1, UsefulTestCase.assertOneElement(run));
}
}