4 files changed, 167 insertions, 0 deletions
diff --git a/tests/auto/unit/multimedia/qsamplecache/CMakeLists.txt b/tests/auto/unit/multimedia/qsamplecache/CMakeLists.txt
new file mode 100644
index 000000000..2f58c1f6e
--- /dev/null
+++ b/tests/auto/unit/multimedia/qsamplecache/CMakeLists.txt
@@ -0,0 +1,23 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+# Generated from qsamplecache.pro.
+
+#####################################################################
+## tst_qsamplecache Test:
+#####################################################################
+
+# Collect test data
+file(GLOB_RECURSE test_data_glob
+    RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}
+    testdata/*)
+list(APPEND test_data ${test_data_glob})
+
+qt_internal_add_test(tst_qsamplecache
+    SOURCES
+        tst_qsamplecache.cpp
+    LIBRARIES
+        Qt::Gui
+        Qt::MultimediaPrivate
+    TESTDATA ${test_data}
+)
diff --git a/tests/auto/unit/multimedia/qsamplecache/testdata/test.wav b/tests/auto/unit/multimedia/qsamplecache/testdata/test.wav
new file mode 100644
index 000000000..4dd022661
--- /dev/null
+++ b/tests/auto/unit/multimedia/qsamplecache/testdata/test.wav
diff --git a/tests/auto/unit/multimedia/qsamplecache/testdata/test2.wav b/tests/auto/unit/multimedia/qsamplecache/testdata/test2.wav
new file mode 100644
index 000000000..4dd022661
--- /dev/null
+++ b/tests/auto/unit/multimedia/qsamplecache/testdata/test2.wav
diff --git a/tests/auto/unit/multimedia/qsamplecache/tst_qsamplecache.cpp b/tests/auto/unit/multimedia/qsamplecache/tst_qsamplecache.cpp
new file mode 100644
index 000000000..311d05a5a
--- /dev/null
+++ b/tests/auto/unit/multimedia/qsamplecache/tst_qsamplecache.cpp
@@ -0,0 +1,144 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include <QtTest/QtTest>
+#include <private/qsamplecache_p.h>
+
+class tst_QSampleCache : public QObject
+{
+    Q_OBJECT
+public:
+
+public slots:
+
+private slots:
+    void testCachedSample();
+    void testNotCachedSample();
+    void testEnoughCapacity();
+    void testNotEnoughCapacity();
+    void testInvalidFile();
+
+private:
+
+};
+
+void tst_QSampleCache::testCachedSample()
+{
+    QSampleCache cache;
+
+    QSample* sample = cache.requestSample(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav")));
+    QVERIFY(sample);
+    QTRY_VERIFY(!cache.isLoading());
+
+    QSample* sampleCached = cache.requestSample(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav")));
+    QCOMPARE(sample, sampleCached); // sample is cached
+    QVERIFY(cache.isCached(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav"))));
+    // loading thread still starts, but does nothing in this case
+    QTRY_VERIFY(!cache.isLoading());
+
+    sample->release();
+    sampleCached->release();
+}
+
+void tst_QSampleCache::testNotCachedSample()
+{
+    QSampleCache cache;
+
+    QSample* sample = cache.requestSample(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav")));
+    QVERIFY(sample);
+    QVERIFY(cache.isLoading());
+    QTRY_VERIFY(!cache.isLoading());
+    sample->release();
+
+    QVERIFY(!cache.isCached(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav"))));
+}
+
+void tst_QSampleCache::testEnoughCapacity()
+{
+    QSampleCache cache;
+
+    QSample* sample = cache.requestSample(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav")));
+    QVERIFY(sample);
+    QVERIFY(cache.isLoading());
+    QTRY_VERIFY(!cache.isLoading());
+    int sampleSize = sample->data().size();
+    sample->release();
+    cache.setCapacity(sampleSize * 2);
+
+    QVERIFY(!cache.isCached(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav"))));
+
+    sample = cache.requestSample(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav")));
+    QVERIFY(sample);
+    QVERIFY(cache.isLoading());
+    QTRY_VERIFY(!cache.isLoading());
+    sample->release();
+
+    QVERIFY(cache.isCached(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav"))));
+
+    // load another sample and make sure first sample is not destroyed
+    QSample* sampleOther = cache.requestSample(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test2.wav")));
+    QVERIFY(sampleOther);
+    QVERIFY(cache.isLoading());
+    QTRY_VERIFY(!cache.isLoading());
+    sampleOther->release();
+
+    QVERIFY(cache.isCached(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav"))));
+    QVERIFY(cache.isCached(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test2.wav"))));
+
+    QSample* sampleCached = cache.requestSample(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav")));
+    QCOMPARE(sample, sampleCached); // sample is cached
+    QVERIFY(cache.isCached(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav"))));
+    QVERIFY(cache.isCached(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test2.wav"))));
+    QVERIFY(!cache.isLoading());
+
+    sampleCached->release();
+}
+
+void tst_QSampleCache::testNotEnoughCapacity()
+{
+    QSampleCache cache;
+
+    QSample* sample = cache.requestSample(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav")));
+    QVERIFY(sample);
+    QVERIFY(cache.isLoading());
+    QTRY_VERIFY(!cache.isLoading());
+    int sampleSize = sample->data().size();
+    sample->release();
+    cache.setCapacity(sampleSize / 2); // unloads all samples
+
+    QVERIFY(!cache.isCached(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav"))));
+
+    sample = cache.requestSample(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav")));
+    QVERIFY(sample);
+    QVERIFY(cache.isLoading());
+    QTRY_VERIFY(!cache.isLoading());
+    sample->release();
+
+    QVERIFY(cache.isCached(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav"))));
+
+    // load another sample to force sample cache to destroy first sample
+    QSample* sampleOther = cache.requestSample(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test2.wav")));
+    QVERIFY(sampleOther);
+    QVERIFY(cache.isLoading());
+    QTRY_VERIFY(!cache.isLoading());
+    sampleOther->release();
+
+    QVERIFY(!cache.isCached(QUrl::fromLocalFile(QFINDTESTDATA("testdata/test.wav"))));
+}
+
+void tst_QSampleCache::testInvalidFile()
+{
+    QSampleCache cache;
+
+    QSample* sample = cache.requestSample(QUrl::fromLocalFile("invalid"));
+    QVERIFY(sample);
+    QTRY_COMPARE(sample->state(), QSample::Error);
+    QVERIFY(!cache.isLoading());
+    sample->release();
+
+    QVERIFY(!cache.isCached(QUrl::fromLocalFile("invalid")));
+}
+
+QTEST_MAIN(tst_QSampleCache)
+
+#include "tst_qsamplecache.moc"