1 /*
2  * Copyright (C) 2023 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 package com.android.settingslib.spa.testutils
18 
19 import androidx.compose.ui.graphics.Color
20 import androidx.compose.ui.graphics.ImageBitmap
21 import androidx.compose.ui.graphics.toPixelMap
22 
23 /**
24  * Asserts that the expected color is present in this bitmap.
25  *
26  * @throws AssertionError if the expected color is not present.
27  */
assertContainsColornull28 fun ImageBitmap.assertContainsColor(expectedColor: Color) {
29     assert(containsColor(expectedColor)) {
30         "The given color $expectedColor was not found in the bitmap."
31     }
32 }
33 
containsColornull34 private fun ImageBitmap.containsColor(expectedColor: Color): Boolean {
35     val pixels = toPixelMap()
36     for (x in 0 until width) {
37         for (y in 0 until height) {
38             if (pixels[x, y] == expectedColor) return true
39         }
40     }
41     return false
42 }
43