Add mismatch test for quantization matrices.

Change-Id: Idb40c0817af5dcb0a61b29d7ac3b96a5c847c69b
diff --git a/test/qm_test.cc b/test/qm_test.cc
new file mode 100644
index 0000000..440dd97
--- /dev/null
+++ b/test/qm_test.cc
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+#if CONFIG_AOM_QM
+#include "./aom_config.h"
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/i420_video_source.h"
+#include "test/util.h"
+
+namespace {
+
+class QMTest
+    : public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int>,
+      public ::libaom_test::EncoderTest {
+ protected:
+  QMTest() : EncoderTest(GET_PARAM(0)) {}
+  virtual ~QMTest() {}
+
+  virtual void SetUp() {
+    InitializeConfig();
+    SetMode(GET_PARAM(1));
+    set_cpu_used_ = GET_PARAM(2);
+  }
+
+  virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+                                  ::libaom_test::Encoder *encoder) {
+    if (video->frame() == 1) {
+      encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
+      encoder->Control(AV1E_SET_ENABLE_QM, 1);
+      encoder->Control(AV1E_SET_QM_MIN, qm_min_);
+      encoder->Control(AV1E_SET_QM_MAX, qm_max_);
+
+      encoder->Control(AOME_SET_MAX_INTRA_BITRATE_PCT, 100);
+    }
+  }
+
+  void DoTest(int qm_min, int qm_max) {
+    qm_min_ = qm_min;
+    qm_max_ = qm_max;
+    cfg_.kf_max_dist = 12;
+    cfg_.rc_min_quantizer = 8;
+    cfg_.rc_max_quantizer = 56;
+    cfg_.rc_end_usage = AOM_CBR;
+    cfg_.g_lag_in_frames = 6;
+    cfg_.rc_buf_initial_sz = 500;
+    cfg_.rc_buf_optimal_sz = 500;
+    cfg_.rc_buf_sz = 1000;
+    cfg_.rc_target_bitrate = 300;
+    ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
+                                         288, 30, 1, 0, 15);
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+  }
+
+  int set_cpu_used_;
+  int qm_min_;
+  int qm_max_;
+};
+
+// encodes and decodes without a mismatch.
+TEST_P(QMTest, TestNoMisMatchQM1) { DoTest(5, 9); }
+
+// encodes and decodes without a mismatch.
+TEST_P(QMTest, TestNoMisMatchQM2) { DoTest(0, 8); }
+
+// encodes and decodes without a mismatch.
+TEST_P(QMTest, TestNoMisMatchQM3) { DoTest(9, 15); }
+
+AV1_INSTANTIATE_TEST_CASE(QMTest,
+                          ::testing::Values(::libaom_test::kRealTime,
+                                            ::libaom_test::kOnePassGood),
+                          ::testing::Range(5, 9));
+}  // namespace
+#endif
diff --git a/test/test.cmake b/test/test.cmake
index fb4daa8..da7c695 100644
--- a/test/test.cmake
+++ b/test/test.cmake
@@ -96,6 +96,7 @@
     "${AOM_ROOT}/test/encode_test_driver.h"
     "${AOM_ROOT}/test/error_resilience_test.cc"
     "${AOM_ROOT}/test/i420_video_source.h"
+    "${AOM_ROOT}/test/qm_test.cc"
     "${AOM_ROOT}/test/resize_test.cc"
     "${AOM_ROOT}/test/y4m_test.cc"
     "${AOM_ROOT}/test/y4m_video_source.h"