| # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| import unittest |
| |
| from telemetry.core.chrome import png_bitmap |
| |
| # This is a simple base64 encoded 2x2 PNG which contains, in order, a single |
| # Red, Yellow, Blue, and Green pixel. |
| test_png = """ |
| iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAIAAAD91 |
| JpzAAAAAXNSR0IArs4c6QAAAAlwSFlzAAALEwAACx |
| MBAJqcGAAAABZJREFUCNdj/M/AwPCfgYGB4T/DfwY |
| AHAAD/iOWZXsAAAAASUVORK5CYII= |
| """ |
| |
| class PngBitmapTest(unittest.TestCase): |
| def testRead(self): |
| png = png_bitmap.PngBitmap(test_png) |
| |
| self.assertEquals(2, png.width) |
| self.assertEquals(2, png.height) |
| |
| png.GetPixelColor(0, 0).AssertIsRGB(255, 0, 0) |
| png.GetPixelColor(1, 1).AssertIsRGB(0, 255, 0) |
| png.GetPixelColor(0, 1).AssertIsRGB(0, 0, 255) |
| png.GetPixelColor(1, 0).AssertIsRGB(255, 255, 0) |
