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authorPetr Mrázek <peterix@gmail.com>2015-09-14 02:25:47 +0200
committerPetr Mrázek <peterix@gmail.com>2015-09-14 02:25:47 +0200
commite38cc1d480fdcf3ad08829688fe1a61961612e36 (patch)
tree7a46b6fc20612275071b1e6028c981f0b7b754e8 /tests/tst_GZip.cpp
parentcfd5976471f21d01ce4ba682e7508972ec5cb27b (diff)
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GH-1227 add GZip compress function and a unit test fo GZip
Diffstat (limited to 'tests/tst_GZip.cpp')
-rw-r--r--tests/tst_GZip.cpp55
1 files changed, 55 insertions, 0 deletions
diff --git a/tests/tst_GZip.cpp b/tests/tst_GZip.cpp
new file mode 100644
index 00000000..23c749ef
--- /dev/null
+++ b/tests/tst_GZip.cpp
@@ -0,0 +1,55 @@
+#include <QTest>
+#include "TestUtil.h"
+
+#include "GZip.h"
+#include <random>
+
+void fib(int &prev, int &cur)
+{
+ auto ret = prev + cur;
+ prev = cur;
+ cur = ret;
+}
+
+class GZipTest : public QObject
+{
+ Q_OBJECT
+private
+slots:
+
+ void test_Through()
+ {
+ // test up to 10 MB
+ static const int size = 10 * 1024 * 1024;
+ QByteArray random;
+ QByteArray compressed;
+ QByteArray decompressed;
+ std::default_random_engine eng((std::random_device())());
+ std::uniform_int_distribution<uint8_t> idis(0, std::numeric_limits<uint8_t>::max());
+
+ // initialize random buffer
+ for(int i = 0; i < size; i++)
+ {
+ random.append((char)idis(eng));
+ }
+
+ // initialize fibonacci
+ int prev = 1;
+ int cur = 1;
+
+ // test if fibonacci long random buffers pass through GZip
+ do
+ {
+ QByteArray copy = random;
+ copy.resize(cur);
+ QVERIFY(GZip::compress(copy, compressed));
+ QVERIFY(GZip::decompress(compressed, decompressed));
+ QCOMPARE(decompressed, copy);
+ fib(prev, cur);
+ } while (cur < size);
+ }
+};
+
+QTEST_GUILESS_MAIN(GZipTest)
+
+#include "tst_GZip.moc"