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-rw-r--r--tests/auto/qgl/tst_qgl.cpp330
1 files changed, 311 insertions, 19 deletions
diff --git a/tests/auto/qgl/tst_qgl.cpp b/tests/auto/qgl/tst_qgl.cpp
index 96f5ddd..31c4a3c 100644
--- a/tests/auto/qgl/tst_qgl.cpp
+++ b/tests/auto/qgl/tst_qgl.cpp
@@ -45,6 +45,7 @@
#include <qcoreapplication.h>
#include <qdebug.h>
#include <qgl.h>
+#include <qglcolormap.h>
#include <QGraphicsView>
#include <QGraphicsProxyWidget>
@@ -66,6 +67,7 @@ private slots:
void graphicsViewClipping();
void partialGLWidgetUpdates_data();
void partialGLWidgetUpdates();
+ void colormap();
};
tst_QGL::tst_QGL()
@@ -94,6 +96,11 @@ public:
void setAutoBufferSwap(bool on) { QGLWidget::setAutoBufferSwap(on); }
};
+// Using INT_MIN and INT_MAX will cause failures on systems
+// where "int" is 64-bit, so use the explicit values instead.
+#define TEST_INT_MIN (-2147483647 - 1)
+#define TEST_INT_MAX 2147483647
+
// Testing get/set functions
void tst_QGL::getSetCheck()
{
@@ -103,120 +110,286 @@ void tst_QGL::getSetCheck()
QGLFormat obj1;
// int QGLFormat::depthBufferSize()
// void QGLFormat::setDepthBufferSize(int)
+ QCOMPARE(-1, obj1.depthBufferSize());
obj1.setDepthBufferSize(0);
QCOMPARE(0, obj1.depthBufferSize());
- obj1.setDepthBufferSize(INT_MIN);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setDepthBufferSize: Cannot set negative depth buffer size -2147483648");
+ obj1.setDepthBufferSize(TEST_INT_MIN);
QCOMPARE(0, obj1.depthBufferSize()); // Makes no sense with a negative buffer size
- obj1.setDepthBufferSize(INT_MAX);
- QCOMPARE(INT_MAX, obj1.depthBufferSize());
+ obj1.setDepthBufferSize(3);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setDepthBufferSize: Cannot set negative depth buffer size -1");
+ obj1.setDepthBufferSize(-1);
+ QCOMPARE(3, obj1.depthBufferSize());
+ obj1.setDepthBufferSize(TEST_INT_MAX);
+ QCOMPARE(TEST_INT_MAX, obj1.depthBufferSize());
// int QGLFormat::accumBufferSize()
// void QGLFormat::setAccumBufferSize(int)
+ QCOMPARE(-1, obj1.accumBufferSize());
obj1.setAccumBufferSize(0);
QCOMPARE(0, obj1.accumBufferSize());
- obj1.setAccumBufferSize(INT_MIN);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setAccumBufferSize: Cannot set negative accumulate buffer size -2147483648");
+ obj1.setAccumBufferSize(TEST_INT_MIN);
QCOMPARE(0, obj1.accumBufferSize()); // Makes no sense with a negative buffer size
- obj1.setAccumBufferSize(INT_MAX);
- QCOMPARE(INT_MAX, obj1.accumBufferSize());
+ obj1.setAccumBufferSize(3);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setAccumBufferSize: Cannot set negative accumulate buffer size -1");
+ obj1.setAccumBufferSize(-1);
+ QCOMPARE(3, obj1.accumBufferSize());
+ obj1.setAccumBufferSize(TEST_INT_MAX);
+ QCOMPARE(TEST_INT_MAX, obj1.accumBufferSize());
+
+ // int QGLFormat::redBufferSize()
+ // void QGLFormat::setRedBufferSize(int)
+ QCOMPARE(-1, obj1.redBufferSize());
+ obj1.setRedBufferSize(0);
+ QCOMPARE(0, obj1.redBufferSize());
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setRedBufferSize: Cannot set negative red buffer size -2147483648");
+ obj1.setRedBufferSize(TEST_INT_MIN);
+ QCOMPARE(0, obj1.redBufferSize()); // Makes no sense with a negative buffer size
+ obj1.setRedBufferSize(3);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setRedBufferSize: Cannot set negative red buffer size -1");
+ obj1.setRedBufferSize(-1);
+ QCOMPARE(3, obj1.redBufferSize());
+ obj1.setRedBufferSize(TEST_INT_MAX);
+ QCOMPARE(TEST_INT_MAX, obj1.redBufferSize());
+
+ // int QGLFormat::greenBufferSize()
+ // void QGLFormat::setGreenBufferSize(int)
+ QCOMPARE(-1, obj1.greenBufferSize());
+ obj1.setGreenBufferSize(0);
+ QCOMPARE(0, obj1.greenBufferSize());
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setGreenBufferSize: Cannot set negative green buffer size -2147483648");
+ obj1.setGreenBufferSize(TEST_INT_MIN);
+ QCOMPARE(0, obj1.greenBufferSize()); // Makes no sense with a negative buffer size
+ obj1.setGreenBufferSize(3);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setGreenBufferSize: Cannot set negative green buffer size -1");
+ obj1.setGreenBufferSize(-1);
+ QCOMPARE(3, obj1.greenBufferSize());
+ obj1.setGreenBufferSize(TEST_INT_MAX);
+ QCOMPARE(TEST_INT_MAX, obj1.greenBufferSize());
+
+ // int QGLFormat::blueBufferSize()
+ // void QGLFormat::setBlueBufferSize(int)
+ QCOMPARE(-1, obj1.blueBufferSize());
+ obj1.setBlueBufferSize(0);
+ QCOMPARE(0, obj1.blueBufferSize());
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setBlueBufferSize: Cannot set negative blue buffer size -2147483648");
+ obj1.setBlueBufferSize(TEST_INT_MIN);
+ QCOMPARE(0, obj1.blueBufferSize()); // Makes no sense with a negative buffer size
+ obj1.setBlueBufferSize(3);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setBlueBufferSize: Cannot set negative blue buffer size -1");
+ obj1.setBlueBufferSize(-1);
+ QCOMPARE(3, obj1.blueBufferSize());
+ obj1.setBlueBufferSize(TEST_INT_MAX);
+ QCOMPARE(TEST_INT_MAX, obj1.blueBufferSize());
// int QGLFormat::alphaBufferSize()
// void QGLFormat::setAlphaBufferSize(int)
+ QCOMPARE(-1, obj1.alphaBufferSize());
+ QCOMPARE(false, obj1.alpha());
+ QVERIFY(!obj1.testOption(QGL::AlphaChannel));
+ QVERIFY(obj1.testOption(QGL::NoAlphaChannel));
obj1.setAlphaBufferSize(0);
+ QCOMPARE(true, obj1.alpha()); // setAlphaBufferSize() enables alpha.
QCOMPARE(0, obj1.alphaBufferSize());
- obj1.setAlphaBufferSize(INT_MIN);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setAlphaBufferSize: Cannot set negative alpha buffer size -2147483648");
+ obj1.setAlphaBufferSize(TEST_INT_MIN);
QCOMPARE(0, obj1.alphaBufferSize()); // Makes no sense with a negative buffer size
- obj1.setAlphaBufferSize(INT_MAX);
- QCOMPARE(INT_MAX, obj1.alphaBufferSize());
+ obj1.setAlphaBufferSize(3);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setAlphaBufferSize: Cannot set negative alpha buffer size -1");
+ obj1.setAlphaBufferSize(-1);
+ QCOMPARE(3, obj1.alphaBufferSize());
+ obj1.setAlphaBufferSize(TEST_INT_MAX);
+ QCOMPARE(TEST_INT_MAX, obj1.alphaBufferSize());
// int QGLFormat::stencilBufferSize()
// void QGLFormat::setStencilBufferSize(int)
+ QCOMPARE(-1, obj1.stencilBufferSize());
obj1.setStencilBufferSize(0);
QCOMPARE(0, obj1.stencilBufferSize());
- obj1.setStencilBufferSize(INT_MIN);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setStencilBufferSize: Cannot set negative stencil buffer size -2147483648");
+ obj1.setStencilBufferSize(TEST_INT_MIN);
QCOMPARE(0, obj1.stencilBufferSize()); // Makes no sense with a negative buffer size
- obj1.setStencilBufferSize(INT_MAX);
- QCOMPARE(INT_MAX, obj1.stencilBufferSize());
+ obj1.setStencilBufferSize(3);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setStencilBufferSize: Cannot set negative stencil buffer size -1");
+ obj1.setStencilBufferSize(-1);
+ QCOMPARE(3, obj1.stencilBufferSize());
+ obj1.setStencilBufferSize(TEST_INT_MAX);
+ QCOMPARE(TEST_INT_MAX, obj1.stencilBufferSize());
// bool QGLFormat::sampleBuffers()
// void QGLFormat::setSampleBuffers(bool)
+ QCOMPARE(false, obj1.sampleBuffers());
+ QVERIFY(!obj1.testOption(QGL::SampleBuffers));
+ QVERIFY(obj1.testOption(QGL::NoSampleBuffers));
obj1.setSampleBuffers(false);
QCOMPARE(false, obj1.sampleBuffers());
+ QVERIFY(obj1.testOption(QGL::NoSampleBuffers));
obj1.setSampleBuffers(true);
QCOMPARE(true, obj1.sampleBuffers());
+ QVERIFY(obj1.testOption(QGL::SampleBuffers));
// int QGLFormat::samples()
// void QGLFormat::setSamples(int)
+ QCOMPARE(-1, obj1.samples());
obj1.setSamples(0);
QCOMPARE(0, obj1.samples());
- obj1.setSamples(INT_MIN);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setSamples: Cannot have negative number of samples per pixel -2147483648");
+ obj1.setSamples(TEST_INT_MIN);
QCOMPARE(0, obj1.samples()); // Makes no sense with a negative sample size
- obj1.setSamples(INT_MAX);
- QCOMPARE(INT_MAX, obj1.samples());
+ obj1.setSamples(3);
+ QTest::ignoreMessage(QtWarningMsg, "QGLFormat::setSamples: Cannot have negative number of samples per pixel -1");
+ obj1.setSamples(-1);
+ QCOMPARE(3, obj1.samples());
+ obj1.setSamples(TEST_INT_MAX);
+ QCOMPARE(TEST_INT_MAX, obj1.samples());
+
+ // int QGLFormat::swapInterval()
+ // void QGLFormat::setSwapInterval(int)
+ QCOMPARE(-1, obj1.swapInterval());
+ obj1.setSwapInterval(0);
+ QCOMPARE(0, obj1.swapInterval());
+ obj1.setSwapInterval(TEST_INT_MIN);
+ QCOMPARE(TEST_INT_MIN, obj1.swapInterval());
+ obj1.setSwapInterval(-1);
+ QCOMPARE(-1, obj1.swapInterval());
+ obj1.setSwapInterval(TEST_INT_MAX);
+ QCOMPARE(TEST_INT_MAX, obj1.swapInterval());
// bool QGLFormat::doubleBuffer()
// void QGLFormat::setDoubleBuffer(bool)
+ QCOMPARE(true, obj1.doubleBuffer());
+ QVERIFY(obj1.testOption(QGL::DoubleBuffer));
+ QVERIFY(!obj1.testOption(QGL::SingleBuffer));
obj1.setDoubleBuffer(false);
QCOMPARE(false, obj1.doubleBuffer());
+ QVERIFY(!obj1.testOption(QGL::DoubleBuffer));
+ QVERIFY(obj1.testOption(QGL::SingleBuffer));
obj1.setDoubleBuffer(true);
QCOMPARE(true, obj1.doubleBuffer());
+ QVERIFY(obj1.testOption(QGL::DoubleBuffer));
+ QVERIFY(!obj1.testOption(QGL::SingleBuffer));
// bool QGLFormat::depth()
// void QGLFormat::setDepth(bool)
+ QCOMPARE(true, obj1.depth());
+ QVERIFY(obj1.testOption(QGL::DepthBuffer));
+ QVERIFY(!obj1.testOption(QGL::NoDepthBuffer));
obj1.setDepth(false);
QCOMPARE(false, obj1.depth());
+ QVERIFY(!obj1.testOption(QGL::DepthBuffer));
+ QVERIFY(obj1.testOption(QGL::NoDepthBuffer));
obj1.setDepth(true);
QCOMPARE(true, obj1.depth());
+ QVERIFY(obj1.testOption(QGL::DepthBuffer));
+ QVERIFY(!obj1.testOption(QGL::NoDepthBuffer));
// bool QGLFormat::rgba()
// void QGLFormat::setRgba(bool)
+ QCOMPARE(true, obj1.rgba());
+ QVERIFY(obj1.testOption(QGL::Rgba));
+ QVERIFY(!obj1.testOption(QGL::ColorIndex));
obj1.setRgba(false);
QCOMPARE(false, obj1.rgba());
+ QVERIFY(!obj1.testOption(QGL::Rgba));
+ QVERIFY(obj1.testOption(QGL::ColorIndex));
obj1.setRgba(true);
QCOMPARE(true, obj1.rgba());
+ QVERIFY(obj1.testOption(QGL::Rgba));
+ QVERIFY(!obj1.testOption(QGL::ColorIndex));
// bool QGLFormat::alpha()
// void QGLFormat::setAlpha(bool)
+ QVERIFY(obj1.testOption(QGL::AlphaChannel));
+ QVERIFY(!obj1.testOption(QGL::NoAlphaChannel));
obj1.setAlpha(false);
QCOMPARE(false, obj1.alpha());
+ QVERIFY(!obj1.testOption(QGL::AlphaChannel));
+ QVERIFY(obj1.testOption(QGL::NoAlphaChannel));
obj1.setAlpha(true);
QCOMPARE(true, obj1.alpha());
+ QVERIFY(obj1.testOption(QGL::AlphaChannel));
+ QVERIFY(!obj1.testOption(QGL::NoAlphaChannel));
// bool QGLFormat::accum()
// void QGLFormat::setAccum(bool)
+ QCOMPARE(false, obj1.accum());
+ QVERIFY(!obj1.testOption(QGL::AccumBuffer));
+ QVERIFY(obj1.testOption(QGL::NoAccumBuffer));
obj1.setAccum(false);
QCOMPARE(false, obj1.accum());
+ QVERIFY(!obj1.testOption(QGL::AccumBuffer));
+ QVERIFY(obj1.testOption(QGL::NoAccumBuffer));
obj1.setAccum(true);
QCOMPARE(true, obj1.accum());
+ QVERIFY(obj1.testOption(QGL::AccumBuffer));
+ QVERIFY(!obj1.testOption(QGL::NoAccumBuffer));
// bool QGLFormat::stencil()
// void QGLFormat::setStencil(bool)
+ QCOMPARE(true, obj1.stencil());
+ QVERIFY(obj1.testOption(QGL::StencilBuffer));
+ QVERIFY(!obj1.testOption(QGL::NoStencilBuffer));
obj1.setStencil(false);
QCOMPARE(false, obj1.stencil());
+ QVERIFY(!obj1.testOption(QGL::StencilBuffer));
+ QVERIFY(obj1.testOption(QGL::NoStencilBuffer));
obj1.setStencil(true);
QCOMPARE(true, obj1.stencil());
+ QVERIFY(obj1.testOption(QGL::StencilBuffer));
+ QVERIFY(!obj1.testOption(QGL::NoStencilBuffer));
// bool QGLFormat::stereo()
// void QGLFormat::setStereo(bool)
+ QCOMPARE(false, obj1.stereo());
+ QVERIFY(!obj1.testOption(QGL::StereoBuffers));
+ QVERIFY(obj1.testOption(QGL::NoStereoBuffers));
obj1.setStereo(false);
QCOMPARE(false, obj1.stereo());
+ QVERIFY(!obj1.testOption(QGL::StereoBuffers));
+ QVERIFY(obj1.testOption(QGL::NoStereoBuffers));
obj1.setStereo(true);
QCOMPARE(true, obj1.stereo());
+ QVERIFY(obj1.testOption(QGL::StereoBuffers));
+ QVERIFY(!obj1.testOption(QGL::NoStereoBuffers));
// bool QGLFormat::directRendering()
// void QGLFormat::setDirectRendering(bool)
+ QCOMPARE(true, obj1.directRendering());
+ QVERIFY(obj1.testOption(QGL::DirectRendering));
+ QVERIFY(!obj1.testOption(QGL::IndirectRendering));
obj1.setDirectRendering(false);
QCOMPARE(false, obj1.directRendering());
+ QVERIFY(!obj1.testOption(QGL::DirectRendering));
+ QVERIFY(obj1.testOption(QGL::IndirectRendering));
obj1.setDirectRendering(true);
QCOMPARE(true, obj1.directRendering());
+ QVERIFY(obj1.testOption(QGL::DirectRendering));
+ QVERIFY(!obj1.testOption(QGL::IndirectRendering));
+
+ // bool QGLFormat::overlay()
+ // void QGLFormat::setOverlay(bool)
+ QCOMPARE(false, obj1.hasOverlay());
+ QVERIFY(!obj1.testOption(QGL::HasOverlay));
+ QVERIFY(obj1.testOption(QGL::NoOverlay));
+ obj1.setOverlay(false);
+ QCOMPARE(false, obj1.hasOverlay());
+ QVERIFY(!obj1.testOption(QGL::HasOverlay));
+ QVERIFY(obj1.testOption(QGL::NoOverlay));
+ obj1.setOverlay(true);
+ QCOMPARE(true, obj1.hasOverlay());
+ QVERIFY(obj1.testOption(QGL::HasOverlay));
+ QVERIFY(!obj1.testOption(QGL::NoOverlay));
// int QGLFormat::plane()
// void QGLFormat::setPlane(int)
+ QCOMPARE(0, obj1.plane());
obj1.setPlane(0);
QCOMPARE(0, obj1.plane());
- obj1.setPlane(INT_MIN);
- QCOMPARE(INT_MIN, obj1.plane());
- obj1.setPlane(INT_MAX);
- QCOMPARE(INT_MAX, obj1.plane());
+ obj1.setPlane(TEST_INT_MIN);
+ QCOMPARE(TEST_INT_MIN, obj1.plane());
+ obj1.setPlane(TEST_INT_MAX);
+ QCOMPARE(TEST_INT_MAX, obj1.plane());
MyGLContext obj2(obj1);
// bool QGLContext::windowCreated()
@@ -452,5 +625,124 @@ void tst_QGL::partialGLWidgetUpdates()
QCOMPARE(widget.paintEventRegion, QRegion(widget.rect()));
}
+class ColormapExtended : public QGLColormap
+{
+public:
+ ColormapExtended() {}
+
+ Qt::HANDLE handle() { return QGLColormap::handle(); }
+ void setHandle(Qt::HANDLE handle) { QGLColormap::setHandle(handle); }
+};
+
+void tst_QGL::colormap()
+{
+ // Check the properties of the default empty colormap.
+ QGLColormap cmap1;
+ QVERIFY(cmap1.isEmpty());
+ QCOMPARE(cmap1.size(), 0);
+ QVERIFY(cmap1.entryRgb(0) == 0);
+ QVERIFY(cmap1.entryRgb(-1) == 0);
+ QVERIFY(cmap1.entryRgb(100) == 0);
+ QVERIFY(!cmap1.entryColor(0).isValid());
+ QVERIFY(!cmap1.entryColor(-1).isValid());
+ QVERIFY(!cmap1.entryColor(100).isValid());
+ QCOMPARE(cmap1.find(qRgb(255, 0, 0)), -1);
+ QCOMPARE(cmap1.findNearest(qRgb(255, 0, 0)), -1);
+
+ // Set an entry and re-test.
+ cmap1.setEntry(56, qRgb(255, 0, 0));
+ // The colormap is still considered "empty" even though it
+ // has entries in it now. The isEmpty() method is used to
+ // detect when the colormap is in use by a GL widget,
+ // not to detect when it is empty!
+ QVERIFY(cmap1.isEmpty());
+ QCOMPARE(cmap1.size(), 256);
+ QVERIFY(cmap1.entryRgb(0) == 0);
+ QVERIFY(cmap1.entryColor(0) == QColor(0, 0, 0, 255));
+ QVERIFY(cmap1.entryRgb(56) == qRgb(255, 0, 0));
+ QVERIFY(cmap1.entryColor(56) == QColor(255, 0, 0, 255));
+ QCOMPARE(cmap1.find(qRgb(255, 0, 0)), 56);
+ QCOMPARE(cmap1.findNearest(qRgb(255, 0, 0)), 56);
+
+ // Set some more entries.
+ static QRgb const colors[] = {
+ qRgb(255, 0, 0),
+ qRgb(0, 255, 0),
+ qRgb(255, 255, 255),
+ qRgb(0, 0, 255),
+ qRgb(0, 0, 0)
+ };
+ cmap1.setEntry(57, QColor(0, 255, 0));
+ cmap1.setEntries(3, colors + 2, 58);
+ cmap1.setEntries(5, colors, 251);
+ int idx;
+ for (idx = 0; idx < 5; ++idx) {
+ QVERIFY(cmap1.entryRgb(56 + idx) == colors[idx]);
+ QVERIFY(cmap1.entryColor(56 + idx) == QColor(colors[idx]));
+ QVERIFY(cmap1.entryRgb(251 + idx) == colors[idx]);
+ QVERIFY(cmap1.entryColor(251 + idx) == QColor(colors[idx]));
+ }
+ QCOMPARE(cmap1.size(), 256);
+
+ // Perform color lookups.
+ QCOMPARE(cmap1.find(qRgb(255, 0, 0)), 56);
+ QCOMPARE(cmap1.find(qRgb(0, 0, 0)), 60); // Actually finds 0, 0, 0, 255.
+ QCOMPARE(cmap1.find(qRgba(0, 0, 0, 0)), 0);
+ QCOMPARE(cmap1.find(qRgb(0, 255, 0)), 57);
+ QCOMPARE(cmap1.find(qRgb(255, 255, 255)), 58);
+ QCOMPARE(cmap1.find(qRgb(0, 0, 255)), 59);
+ QCOMPARE(cmap1.find(qRgb(140, 0, 0)), -1);
+ QCOMPARE(cmap1.find(qRgb(0, 140, 0)), -1);
+ QCOMPARE(cmap1.find(qRgb(0, 0, 140)), -1);
+ QCOMPARE(cmap1.find(qRgb(64, 0, 0)), -1);
+ QCOMPARE(cmap1.find(qRgb(0, 64, 0)), -1);
+ QCOMPARE(cmap1.find(qRgb(0, 0, 64)), -1);
+ QCOMPARE(cmap1.findNearest(qRgb(255, 0, 0)), 56);
+ QCOMPARE(cmap1.findNearest(qRgb(0, 0, 0)), 60);
+ QCOMPARE(cmap1.findNearest(qRgba(0, 0, 0, 0)), 0);
+ QCOMPARE(cmap1.findNearest(qRgb(0, 255, 0)), 57);
+ QCOMPARE(cmap1.findNearest(qRgb(255, 255, 255)), 58);
+ QCOMPARE(cmap1.findNearest(qRgb(0, 0, 255)), 59);
+ QCOMPARE(cmap1.findNearest(qRgb(140, 0, 0)), 56);
+ QCOMPARE(cmap1.findNearest(qRgb(0, 140, 0)), 57);
+ QCOMPARE(cmap1.findNearest(qRgb(0, 0, 140)), 59);
+ QCOMPARE(cmap1.findNearest(qRgb(64, 0, 0)), 0);
+ QCOMPARE(cmap1.findNearest(qRgb(0, 64, 0)), 0);
+ QCOMPARE(cmap1.findNearest(qRgb(0, 0, 64)), 0);
+
+ // Make some copies of the colormap and check that they are the same.
+ QGLColormap cmap2(cmap1);
+ QGLColormap cmap3;
+ cmap3 = cmap1;
+ QVERIFY(cmap2.isEmpty());
+ QVERIFY(cmap3.isEmpty());
+ QCOMPARE(cmap2.size(), 256);
+ QCOMPARE(cmap3.size(), 256);
+ for (idx = 0; idx < 256; ++idx) {
+ QCOMPARE(cmap1.entryRgb(idx), cmap2.entryRgb(idx));
+ QCOMPARE(cmap1.entryRgb(idx), cmap3.entryRgb(idx));
+ }
+
+ // Modify an entry in one of the copies and recheck the original.
+ cmap2.setEntry(45, qRgb(255, 0, 0));
+ for (idx = 0; idx < 256; ++idx) {
+ if (idx != 45)
+ QCOMPARE(cmap1.entryRgb(idx), cmap2.entryRgb(idx));
+ else
+ QCOMPARE(cmap2.entryRgb(45), qRgb(255, 0, 0));
+ QCOMPARE(cmap1.entryRgb(idx), cmap3.entryRgb(idx));
+ }
+
+ // Check that setting the handle will cause isEmpty() to work right.
+ ColormapExtended cmap4;
+ cmap4.setEntry(56, qRgb(255, 0, 0));
+ QVERIFY(cmap4.isEmpty());
+ QCOMPARE(cmap4.size(), 256);
+ cmap4.setHandle(Qt::HANDLE(42));
+ QVERIFY(cmap4.handle() == Qt::HANDLE(42));
+ QVERIFY(!cmap4.isEmpty());
+ QCOMPARE(cmap4.size(), 256);
+}
+
QTEST_MAIN(tst_QGL)
#include "tst_qgl.moc"