tracing/tracing/base/range_utils_test.html - Issue 2771723003: [tracing] Move math utilities from base into their own subdirectory (attempt 2)

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Issue 2771723003: [tracing] Move math utilities from base into their own subdirectory (attempt 2) (Closed)

Patch Set: rebase Created 3 years, 9 months ago

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1 <!DOCTYPE html>

2 <!--

3 Copyright (c) 2013 The Chromium Authors. All rights reserved.

4 Use of this source code is governed by a BSD-style license that can be

5 found in the LICENSE file.

6 -->

7

8 <link rel="import" href="/tracing/base/range_utils.html">

9 <link rel="import" href="/tracing/core/test_utils.html">

10

11 <script>

12 'use strict';

13

14 tr.b.unittest.testSuite(function() {

15 function simpleMerger(events) {

16 return {

17 min: events[0].min,

18 max: events[events.length - 1].max

19 };

20 }

21 test('simple', function() {

22 var inEvents = [

23 {min: 0, max: 100},

24 {min: 100, max: 120},

25 {min: 200, max: 220}

26 ];

27

28 var merged = tr.b.mergeRanges(inEvents, 50, simpleMerger);

29

30 assert.equal(merged.length, 2);

31 assert.deepEqual(merged[0], {min: 0, max: 120});

32 assert.deepEqual(merged[1], {min: 200, max: 220});

33 });

34

35 test('overlapping', function() {

36 var inEvents = [

37 {min: 0, max: 100},

38 {min: 80, max: 120},

39 {min: 200, max: 220}

40 ];

41

42 var merged = tr.b.mergeRanges(inEvents, 50, simpleMerger);

43

44 assert.equal(merged.length, 2);

45 assert.deepEqual(merged[0], {min: 0, max: 120});

46 assert.deepEqual(merged[1], {min: 200, max: 220});

47 });

48

49 test('middleOneIsSmall', function() {

50 var inEvents = [

51 {min: 0, max: 100},

52 {min: 40, max: 50},

53 {min: 100, max: 120}

54 ];

55

56 var merged = tr.b.mergeRanges(inEvents, 50, simpleMerger);

57

58 assert.equal(merged.length, 1);

59 assert.deepEqual(merged[0], {min: 0, max: 120});

60 });

61

62 test('firstEventIsSplitPoint', function() {

63 var inEvents = [

64 {min: 0, max: 100},

65 {min: 150, max: 200}

66 ];

67

68 var merged = tr.b.mergeRanges(inEvents, 25, simpleMerger);

69

70 assert.equal(merged.length, 2);

71 assert.deepEqual(merged[0], {min: 0, max: 100});

72 assert.deepEqual(merged[1], {min: 150, max: 200});

73 });

74

75 test('mergeSingleEvent', function() {

76 var inEvents = [

77 {min: 0, max: 100}

78 ];

79

80 var mergeCount = 0;

81 tr.b.mergeRanges(inEvents, 25, function(events) {

82 assert.deepEqual(events, inEvents);

83 mergeCount++;

84 });

85 assert.equal(mergeCount, 1);

86 });

87

88 test('zeroDurationSplit', function() {

89 var inEvents = [0, 10, 20, 50, 60];

90 inEvents = inEvents.map(function(event) {

91 return tr.b.Range.fromExplicitRange(event, event);

92 });

93 var timestampMerger = function(timestamps) {

94 return {

95 min: timestamps[0].min,

96 max: timestamps[timestamps.length - 1].max

97 };

98 };

99 var merged = tr.b.mergeRanges(inEvents, 15, timestampMerger);

100 assert.equal(merged.length, 2);

101 assert.deepEqual(merged[0], {min: 0, max: 20});

102 assert.deepEqual(merged[1], {min: 50, max: 60});

103 });

104

105 test('findEmptyRangesBetweenRanges', function() {

106 var events = [

107 {min: 2, max: 4},

108 {min: 1, max: 3},

109 {min: 6, max: 8}

110 ];

111 var ranges = tr.b.findEmptyRangesBetweenRanges(

112 events, {min: 0, max: 10});

113 assert.equal(3, ranges.length);

114 assert.equal(0, ranges[0].min);

115 assert.equal(1, ranges[0].max);

116 assert.equal(4, ranges[1].min);

117 assert.equal(6, ranges[1].max);

118 assert.equal(8, ranges[2].min);

119 assert.equal(10, ranges[2].max);

120 });

121

122 test('findEmptyRangesWithEmptyInput', function() {

123 var ranges = tr.b.findEmptyRangesBetweenRanges(

124 [], {min: 0, max: 10});

125 assert.equal(1, ranges.length);

126 assert.equal(0, ranges[0].min);

127 assert.equal(10, ranges[0].max);

128

129 ranges = tr.b.findEmptyRangesBetweenRanges([]);

130 assert.equal(0, ranges.length);

131 });

132 });

133 </script>

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