Add unit tests for idctllm_test and idctllm_mmx

add unit tests for vp8_short_idct4x4llm_c

Change-Id: I472b7c0baa365ba25dc99a3f6efccc816d27c941

3 files changed, 175 insertions, 0 deletions

diff --git a/vp8/common/idctllm_test.cc b/vp8/common/idctllm_test.cc
new file mode 100755
index 000000000..0f6ebe7fe
--- /dev/null
+++ b/vp8/common/idctllm_test.cc
@@ -0,0 +1,31 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+ extern "C" {
+    void vp8_short_idct4x4llm_c(short *input, unsigned char *pred_ptr,
+                            int pred_stride, unsigned char *dst_ptr,
+                            int dst_stride);
+}
+
+#include "vpx_config.h"
+#include "idctllm_test.h"
+namespace
+{
+
+INSTANTIATE_TEST_CASE_P(C, IDCTTest,
+                        ::testing::Values(vp8_short_idct4x4llm_c));
+
+} // namespace
+
+int main(int argc, char **argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/vp8/common/idctllm_test.h b/vp8/common/idctllm_test.h
new file mode 100755
index 000000000..a6a694b18
--- /dev/null
+++ b/vp8/common/idctllm_test.h
@@ -0,0 +1,113 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+ #include "third_party/googletest/src/include/gtest/gtest.h"
+typedef void (*idct_fn_t)(short *input, unsigned char *pred_ptr,
+                            int pred_stride, unsigned char *dst_ptr,
+                            int dst_stride);
+namespace {
+class IDCTTest : public ::testing::TestWithParam<idct_fn_t>
+{
+  protected:
+    virtual void SetUp()
+    {
+        int i;
+
+        UUT = GetParam();
+        memset(input, 0, sizeof(input));
+        /* Set up guard blocks */
+        for(i=0; i<256; i++)
+            output[i] = ((i&0xF)<4&&(i<64))?0:-1;
+    }
+
+    idct_fn_t UUT;
+    short input[16];
+    unsigned char output[256];
+    unsigned char predict[256];
+};
+
+TEST_P(IDCTTest, TestGuardBlocks)
+{
+    int i;
+
+    for(i=0; i<256; i++)
+        if((i&0xF) < 4 && i<64)
+            EXPECT_EQ(0, output[i]) << i;
+        else
+            EXPECT_EQ(255, output[i]);
+}
+
+TEST_P(IDCTTest, TestAllZeros)
+{
+    int i;
+
+    UUT(input, output, 16, output, 16);
+
+    for(i=0; i<256; i++)
+        if((i&0xF) < 4 && i<64)
+            EXPECT_EQ(0, output[i]) << "i==" << i;
+        else
+            EXPECT_EQ(255, output[i]) << "i==" << i;
+}
+
+TEST_P(IDCTTest, TestAllOnes)
+{
+    int i;
+
+    input[0] = 4;
+    UUT(input, output, 16, output, 16);
+
+    for(i=0; i<256; i++)
+        if((i&0xF) < 4 && i<64)
+            EXPECT_EQ(1, output[i]) << "i==" << i;
+        else
+            EXPECT_EQ(255, output[i]) << "i==" << i;
+}
+
+TEST_P(IDCTTest, TestAddOne)
+{
+    int i;
+
+    for(i=0; i<256; i++)
+        predict[i] = i;
+
+    input[0] = 4;
+    UUT(input, predict, 16, output, 16);
+
+    for(i=0; i<256; i++)
+        if((i&0xF) < 4 && i<64)
+            EXPECT_EQ(i+1, output[i]) << "i==" << i;
+        else
+            EXPECT_EQ(255, output[i]) << "i==" << i;
+}
+
+TEST_P(IDCTTest, TestWithData)
+{
+    int i;
+
+    for(i=0; i<16; i++)
+        input[i] = i;
+
+    UUT(input, output, 16, output, 16);
+
+    for(i=0; i<256; i++)
+        if((i&0xF) > 3 || i>63)
+            EXPECT_EQ(255, output[i]) << "i==" << i;
+        else if(i == 0)
+            EXPECT_EQ(11, output[i]) << "i==" << i;
+        else if(i == 34)
+            EXPECT_EQ(1, output[i]) << "i==" << i;
+        else if(i == 2 || i == 17 || i == 32)
+            EXPECT_EQ(3, output[i]) << "i==" << i;
+        else
+            EXPECT_EQ(0, output[i]) << "i==" << i;
+}
+}
diff --git a/vp8/common/x86/idctllm_mmx_test.cc b/vp8/common/x86/idctllm_mmx_test.cc
new file mode 100755
index 000000000..8c115335e
--- /dev/null
+++ b/vp8/common/x86/idctllm_mmx_test.cc
@@ -0,0 +1,31 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+ extern "C" {
+    void vp8_short_idct4x4llm_mmx(short *input, unsigned char *pred_ptr,
+                            int pred_stride, unsigned char *dst_ptr,
+                            int dst_stride);
+}
+
+#include "vp8/common/idctllm_test.h"
+
+namespace
+{
+
+INSTANTIATE_TEST_CASE_P(MMX, IDCTTest,
+                        ::testing::Values(vp8_short_idct4x4llm_mmx));
+
+} // namespace
+
+int main(int argc, char **argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}