1 files changed, 40 insertions, 0 deletions
diff --git a/gfx/tests/gtest/PolygonTestUtils.h b/gfx/tests/gtest/PolygonTestUtils.h
new file mode 100644
index 0000000000..e860b6a8d1
--- /dev/null
+++ b/gfx/tests/gtest/PolygonTestUtils.h
@@ -0,0 +1,40 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GFX_TEST_POLYGONUTILS_H
+#define GFX_TEST_POLYGONUTILS_H
+
+#include "gtest/gtest.h"
+
+#include "nsTArray.h"
+#include "Point.h"
+#include "Polygon.h"
+#include "Triangle.h"
+
+namespace mozilla {
+namespace gfx {
+
+bool FuzzyEquals(const Point4D& lhs, const Point4D& rhs);
+bool FuzzyEquals(const Point3D& lhs, const Point3D& rhs);
+bool FuzzyEquals(const Point& lhs, const Point& rhs);
+
+bool operator==(const Triangle& lhs, const Triangle& rhs);
+bool operator==(const Polygon& lhs, const Polygon& rhs);
+
+// Compares two arrays with the equality operator.
+template <typename T>
+void AssertArrayEQ(const nsTArray<T>& rhs, const nsTArray<T>& lhs) {
+  ASSERT_EQ(lhs.Length(), rhs.Length());
+
+  for (size_t i = 0; i < lhs.Length(); ++i) {
+    EXPECT_TRUE(lhs[i] == rhs[i]);
+  }
+}
+
+}  // namespace gfx
+}  // namespace mozilla
+
+#endif /* GFX_TEST_POLYGONUTILS_H */