From c6b9f6717e78ea0bbd0bd63de684738c4f86b06a Mon Sep 17 00:00:00 2001 From: Fedor Date: Thu, 26 Nov 2020 22:58:50 +0200 Subject: [PATCH] Add missed gfx/tests/gtest/TestMatrix.cpp. --- gfx/tests/gtest/TestMatrix.cpp | 61 ++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 gfx/tests/gtest/TestMatrix.cpp diff --git a/gfx/tests/gtest/TestMatrix.cpp b/gfx/tests/gtest/TestMatrix.cpp new file mode 100644 index 000000000..bc2f9e63c --- /dev/null +++ b/gfx/tests/gtest/TestMatrix.cpp @@ -0,0 +1,61 @@ +/* -*- 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/. */ + +#include "gtest/gtest.h" +#include "mozilla/gfx/Matrix.h" + +using namespace mozilla; +using namespace mozilla::gfx; + +static Rect NudgedToInt(const Rect& aRect) { + Rect r(aRect); + r.NudgeToIntegers(); + return r; +} + +TEST(Matrix, TransformAndClipRect) +{ + Rect c(100, 100, 100, 100); + Matrix4x4 m; + EXPECT_TRUE(m.TransformAndClipBounds(Rect(50, 50, 20, 20), c).IsEmpty()); + EXPECT_TRUE(m.TransformAndClipBounds(Rect(250, 50, 20, 20), c).IsEmpty()); + EXPECT_TRUE(m.TransformAndClipBounds(Rect(250, 250, 20, 20), c).IsEmpty()); + EXPECT_TRUE(m.TransformAndClipBounds(Rect(50, 250, 20, 20), c).IsEmpty()); + + EXPECT_TRUE(m.TransformAndClipBounds(Rect(50, 50, 100, 20), c).IsEmpty()); + EXPECT_TRUE(m.TransformAndClipBounds(Rect(150, 50, 100, 20), c).IsEmpty()); + EXPECT_TRUE(m.TransformAndClipBounds(Rect(50, 250, 100, 20), c).IsEmpty()); + EXPECT_TRUE(m.TransformAndClipBounds(Rect(150, 250, 100, 20), c).IsEmpty()); + + EXPECT_TRUE(m.TransformAndClipBounds(Rect(50, 50, 20, 100), c).IsEmpty()); + EXPECT_TRUE(m.TransformAndClipBounds(Rect(50, 150, 20, 100), c).IsEmpty()); + EXPECT_TRUE(m.TransformAndClipBounds(Rect(250, 50, 20, 100), c).IsEmpty()); + EXPECT_TRUE(m.TransformAndClipBounds(Rect(250, 150, 20, 100), c).IsEmpty()); + + EXPECT_TRUE(NudgedToInt(m.TransformAndClipBounds(Rect(50, 50, 100, 100), c)) + .IsEqualInterior(Rect(100, 100, 50, 50))); + EXPECT_TRUE(NudgedToInt(m.TransformAndClipBounds(Rect(150, 50, 100, 100), c)) + .IsEqualInterior(Rect(150, 100, 50, 50))); + EXPECT_TRUE(NudgedToInt(m.TransformAndClipBounds(Rect(150, 150, 100, 100), c)) + .IsEqualInterior(Rect(150, 150, 50, 50))); + EXPECT_TRUE(NudgedToInt(m.TransformAndClipBounds(Rect(50, 150, 100, 100), c)) + .IsEqualInterior(Rect(100, 150, 50, 50))); + + EXPECT_TRUE(NudgedToInt(m.TransformAndClipBounds(Rect(110, 110, 80, 80), c)) + .IsEqualInterior(Rect(110, 110, 80, 80))); + + EXPECT_TRUE(NudgedToInt(m.TransformAndClipBounds(Rect(50, 50, 200, 200), c)) + .IsEqualInterior(Rect(100, 100, 100, 100))); + + EXPECT_TRUE(NudgedToInt(m.TransformAndClipBounds(Rect(50, 50, 200, 100), c)) + .IsEqualInterior(Rect(100, 100, 100, 50))); + EXPECT_TRUE(NudgedToInt(m.TransformAndClipBounds(Rect(50, 150, 200, 100), c)) + .IsEqualInterior(Rect(100, 150, 100, 50))); + EXPECT_TRUE(NudgedToInt(m.TransformAndClipBounds(Rect(50, 50, 100, 200), c)) + .IsEqualInterior(Rect(100, 100, 50, 100))); + EXPECT_TRUE(NudgedToInt(m.TransformAndClipBounds(Rect(150, 50, 100, 200), c)) + .IsEqualInterior(Rect(150, 100, 50, 100))); +}