--- a/camerauis/cameraxui/cxengine/tsrc/unit/utils/cxetestutils.h Tue Aug 31 15:03:46 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,118 +0,0 @@
-/*
-* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-#ifndef CXETESTUTILS_H
-#define CXETESTUTILS_H
-
-#include <QSignalSpy>
-#include "cxutils.h"
-
-const int CXE_TEST_POLL_TIME = 10;
-
-class CxeTestUtils
-{
-public:
- static bool waitForSignal(
- QSignalSpy &spy, int ms, int count = 1, bool allowExtraSignals = true);
-
- template<typename T> static bool waitForState(
- T& stateMachine, typename T::State state, int ms);
-};
-
-
-/**
-* Wait for a state machine to transition to a given state. Returns false if
-* target state is not reached withing the given timeout.
-*
-* This function expects the state machine to emit a
-* "stateChanged(T::State...)" signal. Also, the state machine class needs to
-* implement an enum called "State". Remember to use the
-* Q_DECLARE_METATYPE macro for the State enum.
-*
-* waitForState() is template based so the implementation needs to be in the
-* header file.
-*
-* @tparam T State machine type
-* @param stateMachine State machine instance
-* @param state Target state
-* @param ms Timeout in milliseconds
-* @return True if target state was reached, false if timed out
-*/
-template<typename T> bool CxeTestUtils::waitForState(
- T& stateMachine, typename T::State state, int ms)
-{
- int waitingTime = 0;
- bool stateReached = false;
-
- // Find stateChanged() signal
- QByteArray signalSignature;
- const QMetaObject *meta = stateMachine.metaObject();
- for (int i = 0; i < meta->methodCount(); i++) {
- QMetaMethod method = meta->method(i);
- if (method.methodType() == QMetaMethod::Signal &&
- QByteArray(method.signature()).startsWith("stateChanged(")) {
- signalSignature = method.signature();
- signalSignature.prepend(QSIGNAL_CODE + '0');
- }
- }
-
- // Listen for stateChanged signals using signal spy
- QSignalSpy spy(&stateMachine, signalSignature.constData());
- if (!spy.isValid()) {
- CX_DEBUG(("waitForState() - unable to set up signal spy - is there a stateChanged() signal?"));
- return false;
- }
-
- // Loop for waiting for state changes. This terminates when
- // stateMachine.state() returns the target state, a stateChanged signal
- // indicates a state change to the target state, or the timeout is expired.
- while (!stateReached && waitingTime < ms) {
- QTest::qWait(CXE_TEST_POLL_TIME);
- waitingTime += CXE_TEST_POLL_TIME;
-
- // Check current state
- if (stateMachine.state() == state) {
- CX_DEBUG(("waitForState() - current state matches"));
- stateReached = true;
- }
-
- // Check state history from signal spy in case
- // there were quick successive state changes
- for (int i = 0; i < spy.count() && !stateReached; i++) {
- if (!spy[i].at(0).canConvert<T::State>()) {
- CX_DEBUG(("waitForState() - can't convert stateChanged params!"));
- CX_DEBUG(("waitForState() - signature is %s!", signalSignature.constData()));
- return false;
- }
-
- if (spy[i].at(0).value<T::State>() == state) {
- CX_DEBUG(("waitForState() - found signal spy state signal match"));
- stateReached = true;
- }
- }
- }
-
- if (stateReached) {
- CX_DEBUG(("waitForState() - got to state %d successfully",
- static_cast<int>(state)));
- } else {
- CX_DEBUG(("waitForState() - transition to state %d timed out (state is still %d), waitingTime = %d",
- static_cast<int>(state), static_cast<int>(stateMachine.state()), waitingTime));
- }
- return stateReached;
-}
-#endif // CXETESTUTILS_H