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Avoid flakiness by skipping more output verification.

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- Add a SCOPED_TRACE in case it flakes out again.
- The test doesn't need to be very long, so shorten it to save the bots some time.

TBR=henrike@webrtc.org
BUG=
TEST=voe_auto_test

Review URL: https://webrtc-codereview.appspot.com/588006

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2273 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
andrew@webrtc.org 2012-05-23 00:45:00 +00:00
parent 6ed617be22
commit a1a34d675f
1 changed files with 9 additions and 5 deletions
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14
src/voice_engine/main/test/auto_test/standard/mixing_test.cc
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@ -21,7 +21,8 @@ namespace {
const int16_t kLimiterHeadroom = 29204; // == -1 dbFS
const int16_t kInt16Max = 0x7fff;
const int kSampleRateHz = 16000;
const int kTestDurationMs = 4000;
const int kTestDurationMs = 3000;
const int kSkipOutputMs = 500;
} // namespace
@ -102,18 +103,21 @@ class MixingTest : public AfterInitializationFixture {
FILE* output_file = fopen(output_filename_.c_str(), "rb");
ASSERT_TRUE(output_file != NULL);
int16_t output_value = 0;
// Skip the first 100 ms to avoid initialization and ramping-in effects.
EXPECT_EQ(0, fseek(output_file, sizeof(output_value) * kSampleRateHz / 10,
SEEK_SET));
// Skip the first segment to avoid initialization and ramping-in effects.
EXPECT_EQ(0, fseek(output_file, sizeof(output_value) *
kSampleRateHz / 1000 * kSkipOutputMs, SEEK_SET));
int samples_read = 0;
while (fread(&output_value, sizeof(output_value), 1, output_file) == 1) {
samples_read++;
std::ostringstream trace_stream;
trace_stream << samples_read << " samples read";
SCOPED_TRACE(trace_stream.str());
EXPECT_LE(output_value, max_output_value);
EXPECT_GE(output_value, min_output_value);
}
// Ensure the recording length is close to the duration of the test.
ASSERT_GE((samples_read * 1000.0f) / kSampleRateHz,
0.9f * kTestDurationMs);
kTestDurationMs - kSkipOutputMs);
// Ensure we read the entire file.
ASSERT_NE(0, feof(output_file));
ASSERT_EQ(0, fclose(output_file));