1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
var TEST_ALLOWED_TIMING_DELTA = 20;
var waitTimer;
var expectedEntries = {};
var initiatorTypes = ["iframe", "img", "link", "script", "xmlhttprequest"];
var tests = {};
setup(function() {
for (var i in initiatorTypes) {
var type = initiatorTypes[i];
tests[type] = {
"entry": async_test("window.performance.getEntriesByName() and window.performance.getEntriesByNameType() return same data (" + type + ")"),
"simple_attrs": async_test("PerformanceEntry has correct name, initiatorType, startTime, and duration (" + type + ")"),
"timing_attrs": async_test("PerformanceEntry has correct order of timing attributes (" + type + ")"),
"network_attrs": async_test("PerformanceEntry has correct network transfer attributes (" + type + ")"),
"protocol": async_test("PerformanceEntry has correct protocol attribute (" + type + ")")
};
}
});
function resolve(path) {
var a = document.createElement("a");
a.href = path;
return a.href;
}
onload = function()
{
// check that the Performance Timeline API exists
test(function() {
assert_idl_attribute(window.performance, "getEntriesByName",
"window.performance.getEntriesByName() is defined");
});
test(function() {
assert_idl_attribute(window.performance, "getEntriesByType",
"window.performance.getEntriesByType() is defined");
});
test(function() {
assert_idl_attribute(window.performance, "getEntries",
"window.performance.getEntries() is defined");
});
var expected_entry;
var url;
var type;
var startTime;
var element;
var encodedBodySize;
var decodedBodySize;
for (var i in initiatorTypes) {
startTime = window.performance.now();
type = initiatorTypes[i];
if (type != "xmlhttprequest") {
element = document.createElement(type);
} else {
element = null;
}
switch (type) {
case "iframe":
url = resolve("resources/resource_timing_test0.html");
element.src = url;
encodedBodySize = 215;
decodedBodySize = 215;
break;
case "img":
url = resolve("resources/resource_timing_test0.png");
element.src = url;
encodedBodySize = 249;
decodedBodySize = 249;
break;
case "link":
element.rel = "stylesheet";
url = resolve("resources/resource_timing_test0.css");
element.href = url;
encodedBodySize = 44;
decodedBodySize = 44;
break;
case "script":
element.type = "text/javascript";
url = resolve("resources/resource_timing_test0.js");
element.src = url;
encodedBodySize = 133;
decodedBodySize = 133;
break;
case "xmlhttprequest":
var xmlhttp = new XMLHttpRequest();
url = resolve("resources/gzip_xml.py");
xmlhttp.open('GET', url, true);
xmlhttp.send();
encodedBodySize = 112;
decodedBodySize = 125;
break;
}
expected_entry = {name:url,
startTime: startTime,
initiatorType: type,
encodedBodySize: encodedBodySize,
decodedBodySize: decodedBodySize
};
switch (type) {
case "link":
poll_for_stylesheet_load(expected_entry);
document.body.appendChild(element);
break;
case "xmlhttprequest":
xmlhttp.onload = (function(entry) {
return function (event) {
resource_load(entry);
};
})(expected_entry);
break;
default:
element.onload = (function(entry) {
return function (event) {
resource_load(entry);
};
})(expected_entry);
document.body.appendChild(element);
}
}
};
function poll_for_stylesheet_load(expected_entry) {
var t = tests[expected_entry.initiatorType];
function inner() {
for(var i=0; i<document.styleSheets.length; i++) {
var sheet = document.styleSheets[i];
if (sheet.href === expected_entry.name) {
try {
// try/catch avoids throwing if sheet object exists before it is loaded,
// which is a bug, but not what we are trying to test here.
var hasRules = sheet.cssRules.length > 0;
} catch(e) {
hasRules = false;
}
if (hasRules) {
t["entry"].step_timeout(function() {
resource_load(expected_entry);
}, 200);
return;
}
}
}
t["entry"].step_timeout(inner, 100);
}
inner();
}
function resource_load(expected)
{
var t = tests[expected.initiatorType];
t["entry"].step(function() {
var entries_by_name = window.performance.getEntriesByName(expected.name);
assert_equals(entries_by_name.length, 1, "should have a single entry for each resource (without type)");
var entries_by_name_type = window.performance.getEntriesByName(expected.name, "resource");
assert_equals(entries_by_name_type.length, 1, "should have a single entry for each resource (with type)");
assert_not_equals(entries_by_name, entries_by_name_type, "values should be copies");
for (p in entries_by_name[0]) {
assert_equals(entries_by_name[0][p], entries_by_name_type[0][p], "Property " + p + " should match");
}
this.done();
});
t["simple_attrs"].step(function() {
var actual = window.performance.getEntriesByName(expected.name)[0];
var expected_type = expected.initiatorType;
assert_equals(actual.name, expected.name);
assert_equals(actual.initiatorType, expected_type);
assert_equals(actual.entryType, "resource");
assert_greater_than_equal(actual.startTime, expected.startTime, "startTime is after the script to initiate the load ran");
assert_equals(actual.duration, (actual.responseEnd - actual.startTime));
this.done();
});
t["timing_attrs"].step(function test() {
var actual = window.performance.getEntriesByName(expected.name)[0];
// Debugging bug 1263428
// Feel free to remove/overwrite this piece of code
if (actual.connectStart < actual.domainLookupEnd) {
assert_true(false, "actual: "+JSON.stringify(actual));
}
assert_equals(actual.redirectStart, 0, "redirectStart time");
assert_equals(actual.redirectEnd, 0, "redirectEnd time");
assert_true(actual.secureConnectionStart == undefined ||
actual.secureConnectionStart == 0, "secureConnectionStart time");
assert_equals(actual.fetchStart, actual.startTime, "fetchStart is equal to startTime");
assert_greater_than_equal(actual.domainLookupStart, actual.fetchStart, "domainLookupStart after fetchStart");
assert_greater_than_equal(actual.domainLookupEnd, actual.domainLookupStart, "domainLookupEnd after domainLookupStart");
assert_greater_than_equal(actual.connectStart, actual.domainLookupEnd, "connectStart after domainLookupEnd");
assert_greater_than_equal(actual.connectEnd, actual.connectStart, "connectEnd after connectStart");
assert_greater_than_equal(actual.requestStart, actual.connectEnd, "requestStart after connectEnd");
assert_greater_than_equal(actual.responseStart, actual.requestStart, "responseStart after requestStart");
assert_greater_than_equal(actual.responseEnd, actual.responseStart, "responseEnd after responseStart");
this.done();
});
t["network_attrs"].step(function test() {
var actual = window.performance.getEntriesByName(expected.name)[0];
assert_equals(actual.encodedBodySize, expected.encodedBodySize, "encodedBodySize size");
assert_equals(actual.decodedBodySize, expected.decodedBodySize, "decodedBodySize size");
// Transfer size will vary from browser to browser based on default headers, etc. This
// test verifies that transferSize for uncached resources is greater than on-the-wire
// body size.
assert_greater_than(actual.transferSize, actual.encodedBodySize, "transferSize size");
this.done();
});
t["protocol"].step(function() {
var actual = window.performance.getEntriesByName(expected.name)[0];
assert_equals(actual.nextHopProtocol, "http/1.1", "expected protocol");
this.done();
});
}
|
