1 files changed, 39 insertions, 0 deletions
diff --git a/gfx/tests/gtest/PolygonTestUtils.h b/gfx/tests/gtest/PolygonTestUtils.h
new file mode 100644
index 000000000..38609acfd
--- /dev/null
+++ b/gfx/tests/gtest/PolygonTestUtils.h
@@ -0,0 +1,39 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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 Point3D& lhs, const Point3D& rhs);
+bool FuzzyEquals(const Point& lhs, const Point& rhs);
+
+bool operator==(const Triangle& lhs, const Triangle& rhs);
+bool operator==(const Polygon3D& lhs, const Polygon3D& 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 */