test some problematic scale factors

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/678006

git-svn-id: http://libyuv.googlecode.com/svn/trunk@296 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 295
+Version: 296
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 295
+#define LIBYUV_VERSION 296
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

unit_test/scale_test.cc

@@ -317,4 +317,47 @@ TEST_F(libyuvTest, ScaleTo853Wrong) {
   }
 }
 
+// A one off test for a screen cast resolution scale.
+TEST_F(libyuvTest, ScaleTo684) {
+  int src_width = 686;
+  int src_height = 557;
+  int dst_width = 684;
+  int dst_height = 552;
+
+  for (int f = 0; f < 3; ++f) {
+    int err = TestFilter(src_width, src_height,
+                         dst_width, dst_height,
+                         static_cast<FilterMode>(f), 1);
+    EXPECT_GE(1, err);
+  }
+}
+
+TEST_F(libyuvTest, ScaleTo342) {
+  int src_width = 686;
+  int src_height = 557;
+  int dst_width = 342;
+  int dst_height = 276;
+
+  for (int f = 0; f < 3; ++f) {
+    int err = TestFilter(src_width, src_height,
+                         dst_width, dst_height,
+                         static_cast<FilterMode>(f), 1);
+    EXPECT_GE(1, err);
+  }
+}
+
+TEST_F(libyuvTest, ScaleToHalf342) {
+  int src_width = 684;
+  int src_height = 552;
+  int dst_width = 342;
+  int dst_height = 276;
+
+  for (int f = 0; f < 3; ++f) {
+    int err = TestFilter(src_width, src_height,
+                         dst_width, dst_height,
+                         static_cast<FilterMode>(f), 1);
+    EXPECT_GE(1, err);
+  }
+}
+
 }  // namespace libyuv