blob: da2263788c251112dbbcc428fc872ed4d0c12f63 [file] [log] [blame]
Chris Craik261725f2016-02-29 12:52:33 -08001/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <gtest/gtest.h>
18
19#include "Matrix.h"
20#include "Rect.h"
21
22using namespace android::uirenderer;
23
24TEST(Matrix, mapRect) {
25 // Skew, so we don't hit identity/translate/simple fast paths
26 Matrix4 matrix;
27 matrix.skew(0.1f, 0.1f);
28
29 // non-zero empty rect, so sorting x/y would make rect non-empty
30 Rect empty(100, 100, -100, -100);
31 ASSERT_TRUE(empty.isEmpty());
32 matrix.mapRect(empty);
33 EXPECT_TRUE(empty.isEmpty())
34 << "Empty rect should always remain empty, regardless of mapping.";
35}