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Code Issues Wiki Activity

Bug 320277: JUnit test to make sure we properly view variables of base class in derived class

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This commit is contained in:
Marc Khouzam 2010-09-09 12:34:11 +00:00
parent e378c67b8a
commit ffd8caf56d
2 changed files with 65 additions and 0 deletions
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13
dsf-gdb/org.eclipse.cdt.tests.dsf.gdb/data/launch/src/ExpressionTestApp.cc
View file

@ -51,6 +51,16 @@ struct childStruct {
public:
Z z;
};
// For bug 320277
class Base {};
class BaseTest: public Base {
public:
BaseTest() {}
void test() { return; }
};
// End bug 320277
void locals2() {
// Check that we get the content of local variables with
// the same name as the calling method
@ -300,6 +310,9 @@ int main() {
testUpdateOfPointer();
testCanWrite();
// For bug 320277
BaseTest b; b.test();
return 0;
}

52
dsf-gdb/org.eclipse.cdt.tests.dsf.gdb/src/org/eclipse/cdt/tests/dsf/gdb/tests/MIExpressionsTest.java
View file

@ -391,6 +391,58 @@ public class MIExpressionsTest extends BaseTestCase {
assertTrue(wait.getMessage(), wait.isOK());
}
/**
* This test makes sure we properly deal with a GDB display bug.
* See bug 320277
*
* The following code causes a bug in GDB:
*
* class Base {};
* class BaseTest: public Base {
* public:
* BaseTest() {} // Removing this lines removes GDB's bug
* void test() { return; }
* };
*
* We see the bug with the following commands:
* -var-create - * this
* -var-list-children var1
* -var-info-path-expression var1.BaseTest
* -data-evaluate-expression "(*(Base*) this)"
*
* which we can reproduce by creating the children of this
* and asking for the DETAILS_FORMAT of the var1.BaseTest child.
*/
@Test
public void testBaseChildrenBug() throws Throwable {
MIStoppedEvent stoppedEvent = SyncUtil.runToLocation("BaseTest::test");
final IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();
// First we get 'this' and its children
final IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "this");
final IExpressionDMContext[] children = getChildren(exprDmc, new String[] {"Base"});
fExpService.getExecutor().submit(new Runnable() {
public void run() {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(children[0], MIExpressions.DETAILS_FORMAT),
new DataRequestMonitor<FormattedValueDMData>(fExpService.getExecutor(), null) {
@Override
protected void handleCompleted() {
wait.waitFinished(getStatus());
}
});
}
});
wait.waitUntilDone(AsyncCompletionWaitor.WAIT_FOREVER);
assertTrue(wait.getMessage(), wait.isOK());
}
/**
* This test verifies that the ExpressionService can write to a variable.
*/