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Bug 381868: JUnit tests for casting expressions

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Change-Id: I9e8c9986db8fac2599eb8f28cc60d42010d17a93
Reviewed-on: https://git.eclipse.org/r/6427
Reviewed-by: Marc Khouzam <marc.khouzam@ericsson.com>
IP-Clean: Marc Khouzam <marc.khouzam@ericsson.com>
Tested-by: Marc Khouzam <marc.khouzam@ericsson.com>
This commit is contained in:
Marc Khouzam 2012-06-19 12:45:29 -04:00
parent 73dd6c72e5
commit 1ef180e2ab
2 changed files with 488 additions and 2 deletions
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10
dsf-gdb/org.eclipse.cdt.tests.dsf.gdb/data/launch/src/ExpressionTestApp.cc
View file

@ -303,6 +303,15 @@ int testArrays() {
return 1;
}
int testCasting() {
int array_large[111] = {65, 0x41424344, 0x45464748}; // Decimal: 65, 1094861636, 1162233672, Char: A, ABCD, EFGH
int array_small[4] = {65, 0x41424344, 0x45464748}; // Decimal: 65, 1094861636, 1162233672, Char: A, ABCD, EFGH
int* int_ptr = &array_small[0];
return 1;
}
// For bug 376901 RTTI tests
class VirtualBase {
public:
@ -367,6 +376,7 @@ int main() {
testCanWrite();
testArrays();
testRTTI();
testCasting();
// For bug 320277
BaseTest b; b.test();

480
dsf-gdb/org.eclipse.cdt.tests.dsf.gdb/src/org/eclipse/cdt/tests/dsf/gdb/tests/MIExpressionsTest.java
View file

@ -31,6 +31,9 @@ import org.eclipse.cdt.dsf.debug.service.IExpressions.IExpressionDMAddress;
import org.eclipse.cdt.dsf.debug.service.IExpressions.IExpressionDMContext;
import org.eclipse.cdt.dsf.debug.service.IExpressions.IExpressionDMData;
import org.eclipse.cdt.dsf.debug.service.IExpressions.IIndexedPartitionDMContext;
import org.eclipse.cdt.dsf.debug.service.IExpressions2;
import org.eclipse.cdt.dsf.debug.service.IExpressions2.CastInfo;
import org.eclipse.cdt.dsf.debug.service.IExpressions2.ICastedExpressionDMContext;
import org.eclipse.cdt.dsf.debug.service.IExpressions3.IExpressionDMDataExtension;
import org.eclipse.cdt.dsf.debug.service.IFormattedValues;
import org.eclipse.cdt.dsf.debug.service.IFormattedValues.FormattedValueDMContext;
@ -3286,8 +3289,7 @@ public class MIExpressionsTest extends BaseTestCase {
expectedValues.length == childExpressions.length);
for (int i = 0; i < childDmcsAccessor.length; i++) {
assertTrue("Expected: " + expectedValues[i] + " got: " + childDmcsAccessor[i].getRelativeExpression(),
childDmcsAccessor[i].getRelativeExpression().equals(expectedValues[i]));
assertEquals(expectedValues[i], childDmcsAccessor[i].getRelativeExpression());
}
return childDmcs;
@ -3569,7 +3571,481 @@ public class MIExpressionsTest extends BaseTestCase {
getChildren(exprDmc, expectedValues);
}
/**
* This test verifies that we can cast to a type and then revert.
*/
@Test
public void testCastToType() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "int_ptr");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo("char*"));
// Check type of original expression and new casted one
getExpressionType(exprDmc, "int *");
getExpressionType(castExprDmc, "char *");
getChildrenCount(castExprDmc, 1);
// get child and its value
final IExpressionDMContext[] children = getChildren(exprDmc, new String[] {"*int_ptr"});
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(children[0], IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(500, TimeUnit.MILLISECONDS);
assertEquals("65", value);
final IExpressionDMContext[] castChildren = getChildren(castExprDmc, new String[] {"*((char*)(int_ptr))"});
query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(castChildren[0], IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
});
}
};
fSession.getExecutor().execute(query);
value = query.get(500, TimeUnit.MILLISECONDS);
assertEquals("65 'A'", value);
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can display as array and then revert.
*/
@Test
public void testDisplayAsArray() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "int_ptr");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
// Display as an array of 2 elements, starting at index 1
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo(1,2));
// Check type of original expression and new casted one
getExpressionType(exprDmc, "int *");
getExpressionType(castExprDmc, "int [2]");
getChildrenCount(castExprDmc, 2);
// get children and their values
final IExpressionDMContext[] children = getChildren(castExprDmc, new String[] {"int_ptr[1]", "int_ptr[2]"});
String[] expectedValues = new String[] {"1094861636", "1162233672"};
for (int i = 0; i<children.length;i++) {
final IExpressionDMContext child = children[i];
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(500, TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can display as array and cast to a type together
* and then revert.
*/
@Test
public void testDisplayAsArrayAndCastToType() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "int_ptr");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
// We create the casted type and the displaying as an array in a single request. This is because
// that is the way the UI does it. Furthermore, the service handles the cast first, then the
// array, which is why our array of 2 ints becomes 8 chars, and then we only look at 4 of them
// starting at index 4.
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo("char*", 4,4));
getExpressionType(castExprDmc, "char [4]");
getChildrenCount(castExprDmc, 4);
// get children and their values
// The array index starts at 0 again because the cast to char[] creates a new array
final IExpressionDMContext[] children =
getChildren(castExprDmc, new String[] {"int_ptr[4]", "int_ptr[5]", "int_ptr[6]", "int_ptr[7]"});
String[] expectedValues = new String[] { "68 'D'", "67 'C'", "66 'B'", "65 'A'"};
for (int i = 0; i<children.length;i++) {
final IExpressionDMContext child = children[i];
getExpressionType(child, "char");
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(500, TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can cast an array to a different type and then revert.
*/
@Test
public void testCastToTypeOfArray() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "array_small");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo("char[]"));
getExpressionType(exprDmc, "int [4]");
getExpressionType(castExprDmc, "char [16]");
getChildrenCount(castExprDmc, 16);
// get children and their values
// The array index starts at 0 again because the cast to char[] creates a new array
final IExpressionDMContext[] children =
getChildren(castExprDmc, new String[] {"array_small[0]", "array_small[1]", "array_small[2]", "array_small[3]",
"array_small[4]", "array_small[5]", "array_small[6]", "array_small[7]",
"array_small[8]", "array_small[9]", "array_small[10]", "array_small[11]",
"array_small[12]", "array_small[13]", "array_small[14]", "array_small[15]"});
// Only check elements 4 through 7 for simplicity
String[] expectedValues = new String[] { "68 'D'", "67 'C'", "66 'B'", "65 'A'"};
for (int i = 4; i<8;i++) {
final IExpressionDMContext child = children[i];
getExpressionType(child, "char");
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(500, TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i-4], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can cast to a type and then revert
* when dealing with an array with partitions.
*/
@Test
public void testCastToTypeWithPartition() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "array_large");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo("char[]"));
// Check type of original expression and new casted one
getExpressionType(exprDmc, "int [111]");
getExpressionType(castExprDmc, "char [444]");
// get the 5 partition children
getChildrenCount(castExprDmc, 5);
IExpressionDMContext[] children = getChildren(castExprDmc, new String[] {"*((((char[])(array_large)))+0)@100", "*((((char[])(array_large)))+100)@100",
"*((((char[])(array_large)))+200)@100", "*((((char[])(array_large)))+300)@100",
"*((((char[])(array_large)))+400)@44" });
// Now make sure the children of the partitions have the proper casting
final String[] expectedChildren = new String[100];
for (int i=0; i < expectedChildren.length; i++) {
expectedChildren[i] = String.format("array_large[%d]", i);
}
IExpressionDMContext[] castedChildren = getChildren(children[0], expectedChildren);
assertEquals(100, castedChildren.length);
// Check the type and value of a few of the first children
final String[] expectedValues = new String[] { "65 'A'", "0 '\\0'", "0 '\\0'", "0 '\\0'", "68 'D'", "67 'C'", "66 'B'", "65 'A'" };
for (int i = 0; i < expectedValues.length; i++) {
final IExpressionDMContext child = castedChildren[i];
getExpressionType(child, "char");
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(500, TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can display as array and then revert
* when dealing with an array with partitions.
*/
@Test
public void testDisplayAsArrayWithPartition() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
// The expression we will cast from int to char
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "array_large");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
// Display as an array of 101 elements, starting at index 1 (we need at least 101 elements to get partitions)
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo(1, 101));
// Check type of original expression and new casted one
getExpressionType(exprDmc, "int [111]");
getExpressionType(castExprDmc, "int [101]");
// Two partitions as children
getChildrenCount(castExprDmc, 2);
IExpressionDMContext[] children = getChildren(castExprDmc, new String[] {"*(((*((array_large)+1)@101))+0)@100", "*(((*((array_large)+1)@101))+100)@1" });
assertTrue("Should have seen the child as a partition", children[0] instanceof IIndexedPartitionDMContext);
assertEquals("Wrong start index for partition", 1, ((IIndexedPartitionDMContext)children[0]).getIndex());
assertEquals("Wrong partition length", 100, ((IIndexedPartitionDMContext)children[0]).getLength());
assertTrue("Should have seen the child as a partition", children[1] instanceof IIndexedPartitionDMContext);
assertEquals("Wrong start index for partition", 101, ((IIndexedPartitionDMContext)children[0]).getIndex());
assertEquals("Wrong partition length", 1, ((IIndexedPartitionDMContext)children[0]).getLength());
// Now make sure the children of the partitions have the proper casting and start at the proper index
final String[] expectedChildren = new String[100];
for (int i=0; i < expectedChildren.length; i++) {
expectedChildren[i] = String.format("array_large[%d]", i+1);
}
IExpressionDMContext[] castedChildren = getChildren(children[0], expectedChildren);
assertEquals(100, castedChildren.length);
// Check the type and value of a few of the first children
final String[] expectedValues = new String[] { "1094861636", "1162233672" };
for (int i = 0; i < expectedValues.length; i++) {
final IExpressionDMContext child = castedChildren[i];
getExpressionType(child, "int");
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(500, TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
/**
* This test verifies that we can display as array and cast to a type together
* and then revert when dealing with an array with partitions.
*/
@Test
public void testDisplayAsArrayAndCastToTypeWithPartition() throws Throwable {
SyncUtil.runToLocation("testCasting");
MIStoppedEvent stoppedEvent = SyncUtil.step(3, StepType.STEP_OVER);
IFrameDMContext frameDmc = SyncUtil.getStackFrame(stoppedEvent.getDMContext(), 0);
IExpressionDMContext exprDmc = SyncUtil.createExpression(frameDmc, "array_large");
assertTrue("Expression service does not support casting", fExpService instanceof IExpressions2);
ICastedExpressionDMContext castExprDmc =
((IExpressions2)fExpService).createCastedExpression(exprDmc, new CastInfo("char[]", 4, 101));
// Check type of original expression and new casted one
getExpressionType(exprDmc, "int [111]");
getExpressionType(castExprDmc, "char [101]");
// get the 5 partition children
getChildrenCount(castExprDmc, 2);
IExpressionDMContext[] children = getChildren(castExprDmc, new String[] {"*(((*(((char[])(array_large))+4)@101))+0)@100", "*(((*(((char[])(array_large))+4)@101))+100)@1"});
assertTrue("Should have seen the child as a partition", children[0] instanceof IIndexedPartitionDMContext);
assertEquals("Wrong start index for partition", 4, ((IIndexedPartitionDMContext)children[0]).getIndex());
assertEquals("Wrong partition length", 100, ((IIndexedPartitionDMContext)children[0]).getLength());
assertTrue("Should have seen the child as a partition", children[1] instanceof IIndexedPartitionDMContext);
assertEquals("Wrong start index for partition", 104, ((IIndexedPartitionDMContext)children[0]).getIndex());
assertEquals("Wrong partition length", 1, ((IIndexedPartitionDMContext)children[0]).getLength());
// Now make sure the children of the partitions have the proper casting
final String[] expectedChildren = new String[100];
for (int i=0; i < expectedChildren.length; i++) {
expectedChildren[i] = String.format("array_large[%d]", i+4);
}
IExpressionDMContext[] castedChildren = getChildren(children[0], expectedChildren);
assertEquals(100, castedChildren.length);
// Check the type and value of a few of the first children
final String[] expectedValues = new String[] { "68 'D'", "67 'C'", "66 'B'", "65 'A'" };
for (int i = 0; i < expectedValues.length; i++) {
final IExpressionDMContext child = castedChildren[i];
getExpressionType(child, "char");
Query<String> query = new Query<String>() {
@Override
protected void execute(final DataRequestMonitor<String> rm) {
fExpService.getExecutor().submit(new Runnable() {
@Override
public void run() {
fExpService.getFormattedExpressionValue(
fExpService.getFormattedValueContext(child, IFormattedValues.NATURAL_FORMAT),
new ImmediateDataRequestMonitor<FormattedValueDMData>(rm) {
@Override
protected void handleCompleted() {
rm.done(getData().getFormattedValue());
}
});
}
});
}
};
fSession.getExecutor().execute(query);
String value = query.get(500, TimeUnit.MILLISECONDS);
assertEquals(expectedValues[i], value);
}
// Now check that the casted type still remembers what its original type is
assertEquals(castExprDmc.getParents()[0], exprDmc);
}
protected int getChildrenCount(final IExpressionDMContext parentDmc, final int expectedCount) throws Throwable {
final AsyncCompletionWaitor wait = new AsyncCompletionWaitor();