RenderPropertiesTests.cpp revision e3e481df762747c5f01bbd1503800fa29457fc1b 
1/*
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 <RenderProperties.h>
20
21using namespace android;
22using namespace android::uirenderer;
23
24TEST(RenderProperties, layerValidity) {
25    DeviceInfo::initialize();
26
27    const int maxTextureSize = DeviceInfo::get()->maxTextureSize();
28    ASSERT_LE(2048, maxTextureSize);
29    ASSERT_GT(100000, maxTextureSize);
30
31    RenderProperties props;
32
33    // simple cases that all should fit on layers
34    props.setLeftTopRightBottom(0, 0, 100, 100);
35    ASSERT_TRUE(props.fitsOnLayer());
36    props.setLeftTopRightBottom(100, 2000, 300, 4000);
37    ASSERT_TRUE(props.fitsOnLayer());
38    props.setLeftTopRightBottom(-10, -10, 510, 512);
39    ASSERT_TRUE(props.fitsOnLayer());
40
41    // Too big - can't have layer bigger than max texture size
42    props.setLeftTopRightBottom(0, 0, maxTextureSize + 1, maxTextureSize + 1);
43    ASSERT_FALSE(props.fitsOnLayer());
44
45    // Too small, but still 'fits'. Not fitting is an error case, so don't report empty as such.
46    props.setLeftTopRightBottom(0, 0, 100, 0);
47    ASSERT_TRUE(props.fitsOnLayer());
48}
49