diff --git a/tests/PathOpsDTriangleTest.cpp b/tests/PathOpsDTriangleTest.cpp
new file mode 100644
index 0000000..3ca797d
--- /dev/null
+++ b/tests/PathOpsDTriangleTest.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "SkPathOpsTriangle.h"
+#include "Test.h"
+
+static const SkDTriangle tests[] = {
+    {{{2, 0}, {3, 1}, {2, 2}}},
+    {{{3, 1}, {2, 2}, {1, 1}}},
+    {{{3, 0}, {2, 1}, {3, 2}}},
+};
+
+static const SkDPoint inPoint[] = {
+    {2.5, 1},
+    {2, 1.5},
+    {2.5, 1},
+};
+
+static const SkDPoint outPoint[] = {
+    {3, 0},
+    {2.5, 2},
+    {2.5, 2},
+};
+
+static const size_t tests_count = sizeof(tests) / sizeof(tests[0]);
+
+static void TriangleUtilitiesTest(skiatest::Reporter* reporter) {
+    for (size_t index = 0; index < tests_count; ++index) {
+        const SkDTriangle& triangle = tests[index];
+        bool result = triangle.contains(inPoint[index]);
+        if (!result) {
+            SkDebugf("%s [%d] expected point in triangle\n", __FUNCTION__, index);
+            REPORTER_ASSERT(reporter, 0);
+        }
+        result = triangle.contains(outPoint[index]);
+        if (result) {
+            SkDebugf("%s [%d] expected point outside triangle\n", __FUNCTION__, index);
+            REPORTER_ASSERT(reporter, 0);
+        }
+    }
+}
+
+#include "TestClassDef.h"
+DEFINE_TESTCLASS("PathOpsTriangleUtilities", PathOpsTriangleUtilitiesClass, TriangleUtilitiesTest)