| # Copyright 2014 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.timeline.slice import Slice |
| |
| |
| class SliceTest(unittest.TestCase): |
| def testChildrenLogic(self): |
| # [ top ] |
| # [ a ] [ b ] |
| # [x] |
| top = Slice(None, 'cat', 'top', 0, duration=10, thread_timestamp=0, |
| thread_duration=5) |
| a = Slice(None, 'cat', 'a', 1, duration=2, thread_timestamp=0.5, |
| thread_duration=1) |
| x = Slice(None, 'cat', 'x', 1.5, duration=0.25, thread_timestamp=0.75, |
| thread_duration=0.125) |
| b = Slice(None, 'cat', 'b', 5, duration=2, thread_timestamp=None, |
| thread_duration=None) |
| top.sub_slices.extend([a, b]) |
| a.sub_slices.append(x) |
| |
| all_children = list(top.IterEventsInThisContainerRecrusively()) |
| self.assertEquals([a, x, b], all_children) |
| |
| self.assertEquals(x.self_time, 0.25) |
| self.assertEquals(a.self_time, 1.75) # 2 - 0.25 |
| self.assertEquals(top.self_time, 6) # 10 - 2 - 2 |
| |
| self.assertEquals(x.self_thread_time, 0.125) |
| self.assertEquals(a.self_thread_time, 0.875) # 1 - 0.125 |
| self.assertEquals(top.self_thread_time, None) # b has no thread time |
