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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #import <Cocoa/Cocoa.h> | |
6 | |
7 #include "base/histogram.h" | |
8 #import "chrome/browser/chrome_application_mac.h" | |
9 #include "testing/gtest/include/gtest/gtest.h" | |
10 | |
11 namespace CrApplicationNSException { | |
12 | |
13 // Generate an NSException with the given name. | |
14 NSException* ExceptionNamed(NSString* name) { | |
15 return [NSException exceptionWithName:name | |
16 reason:@"No reason given" | |
17 userInfo:nil]; | |
18 } | |
19 | |
20 // Helper to keep binning expectations readible. | |
21 size_t BinForExceptionNamed(NSString* name) { | |
22 return BinForException(ExceptionNamed(name)); | |
23 } | |
24 | |
25 TEST(ChromeApplicationMacTest, ExceptionBinning) { | |
26 // These exceptions must be in this order. | |
27 EXPECT_EQ(BinForExceptionNamed(NSGenericException), 0U); | |
28 EXPECT_EQ(BinForExceptionNamed(NSRangeException), 1U); | |
29 EXPECT_EQ(BinForExceptionNamed(NSInvalidArgumentException), 2U); | |
30 EXPECT_EQ(BinForExceptionNamed(NSMallocException), 3U); | |
31 | |
32 // Random other exceptions map to |kUnknownNSException|. | |
33 EXPECT_EQ(BinForExceptionNamed(@"CustomName"), kUnknownNSException); | |
34 EXPECT_EQ(BinForExceptionNamed(@"Custom Name"), kUnknownNSException); | |
35 EXPECT_EQ(BinForExceptionNamed(@""), kUnknownNSException); | |
36 EXPECT_EQ(BinForException(nil), kUnknownNSException); | |
37 } | |
38 | |
39 TEST(ChromeApplicationMacTest, RecordException) { | |
40 // Start up a histogram recorder. | |
41 StatisticsRecorder recorder; | |
42 | |
43 StatisticsRecorder::Histograms histograms; | |
44 StatisticsRecorder::GetSnapshot("OSX.NSException", &histograms); | |
45 EXPECT_EQ(0U, histograms.size()); | |
46 | |
47 // Record some known exceptions. | |
48 RecordExceptionWithUma(ExceptionNamed(NSGenericException)); | |
49 RecordExceptionWithUma(ExceptionNamed(NSGenericException)); | |
50 RecordExceptionWithUma(ExceptionNamed(NSGenericException)); | |
51 RecordExceptionWithUma(ExceptionNamed(NSGenericException)); | |
52 RecordExceptionWithUma(ExceptionNamed(NSRangeException)); | |
53 RecordExceptionWithUma(ExceptionNamed(NSInvalidArgumentException)); | |
54 RecordExceptionWithUma(ExceptionNamed(NSInvalidArgumentException)); | |
55 RecordExceptionWithUma(ExceptionNamed(NSInvalidArgumentException)); | |
56 RecordExceptionWithUma(ExceptionNamed(NSMallocException)); | |
57 RecordExceptionWithUma(ExceptionNamed(NSMallocException)); | |
58 | |
59 // Record some unknown exceptions. | |
60 RecordExceptionWithUma(ExceptionNamed(@"CustomName")); | |
61 RecordExceptionWithUma(ExceptionNamed(@"Custom Name")); | |
62 RecordExceptionWithUma(ExceptionNamed(@"")); | |
63 RecordExceptionWithUma(nil); | |
64 | |
65 // We should have exactly the right number of exceptions. | |
66 StatisticsRecorder::GetSnapshot("OSX.NSException", &histograms); | |
67 EXPECT_EQ(1U, histograms.size()); | |
68 EXPECT_EQ(kUmaTargetedHistogramFlag, histograms[0]->flags()); | |
69 Histogram::SampleSet sample; | |
70 histograms[0]->SnapshotSample(&sample); | |
71 EXPECT_EQ(4, sample.counts(0)); | |
72 EXPECT_EQ(1, sample.counts(1)); | |
73 EXPECT_EQ(3, sample.counts(2)); | |
74 EXPECT_EQ(2, sample.counts(3)); | |
75 | |
76 // The unknown exceptions should end up in the overflow bucket. | |
77 EXPECT_EQ(kUnknownNSException + 1, histograms[0]->bucket_count()); | |
78 EXPECT_EQ(4, sample.counts(kUnknownNSException)); | |
79 } | |
80 | |
81 } // CrApplicationNSException | |
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