QTextureFileData: support key value metadata

Task-Id: QTBUG-76970
Change-Id: I9dba1b373250cea4d0c806997290a7afcdc900d7
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
(cherry picked from commit 2861cfb6f851d7cee503b19f0e800a33374db66c)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/auto/gui/util/qtexturefilereader/tst_qtexturefilereader.cpp b/tests/auto/gui/util/qtexturefilereader/tst_qtexturefilereader.cpp
index cd90914bd9..89144eb245 100644
--- a/tests/auto/gui/util/qtexturefilereader/tst_qtexturefilereader.cpp
+++ b/tests/auto/gui/util/qtexturefilereader/tst_qtexturefilereader.cpp
@@ -36,6 +36,7 @@ class tst_qtexturefilereader : public QObject
 private slots:
     void checkHandlers_data();
     void checkHandlers();
+    void checkMetadata();
 };
 
 void tst_qtexturefilereader::checkHandlers_data()
@@ -148,6 +149,22 @@ void tst_qtexturefilereader::checkHandlers()
     }
 }
 
+void tst_qtexturefilereader::checkMetadata()
+{
+    QFile f(":/texturefiles/cubemap_metadata.ktx");
+    QVERIFY(f.open(QIODevice::ReadOnly));
+    QTextureFileReader r(&f);
+    QTextureFileData d = r.read();
+    auto kvs = d.keyValueMetadata();
+
+    QVERIFY(kvs.contains("test A"));
+    QVERIFY(kvs.contains("test B"));
+    QVERIFY(kvs.contains("test C"));
+    QCOMPARE(kvs.value("test A"), QByteArrayLiteral("1\x0000"));
+    QCOMPARE(kvs.value("test B"), QByteArrayLiteral("2\x0000"));
+    QCOMPARE(kvs.value("test C"), QByteArrayLiteral("3\x0000"));
+}
+
 QTEST_MAIN(tst_qtexturefilereader)
 
 #include "tst_qtexturefilereader.moc"