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comparison: layout/style/test/test_value_cloning.html
layout/style/test/test_value_cloning.html
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| -1:000000000000 | 0:979d4a421a5a |
|---|---|
| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <!-- | |
| 4 https://bugzilla.mozilla.org/show_bug.cgi?id=375363 | |
| 5 --> | |
| 6 <head> | |
| 7 <title>Test for cloning of CSS property values (including 'inherit', 'initial' and 'unset')</title> | |
| 8 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 9 <script type="text/javascript" src="property_database.js"></script> | |
| 10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> | |
| 11 </head> | |
| 12 <body> | |
| 13 <p id="display"><iframe id="iframe" src="about:blank"></iframe></p> | |
| 14 <pre id="test"> | |
| 15 <script class="testbody" type="text/javascript"> | |
| 16 | |
| 17 /** Test for cloning of CSS property values (including 'inherit', 'initial' and 'unset') **/ | |
| 18 var gTestUnset = SpecialPowers.getBoolPref("layout.css.unset-value.enabled"); | |
| 19 var test_queue = []; | |
| 20 var iframe = document.getElementById("iframe"); | |
| 21 | |
| 22 SimpleTest.waitForExplicitFinish(); | |
| 23 | |
| 24 for (var prop in gCSSProperties) { | |
| 25 var info = gCSSProperties[prop]; | |
| 26 | |
| 27 test_queue.push({ prop: prop, value: "inherit", | |
| 28 inherited_value: info.initial_values[0] }); | |
| 29 test_queue.push({ prop: prop, value: "inherit", | |
| 30 inherited_value: info.other_values[0] }); | |
| 31 test_queue.push({ prop: prop, value: "initial" }); | |
| 32 if (gTestUnset) { | |
| 33 if (info.inherited) { | |
| 34 test_queue.push({ prop: prop, value: "unset", | |
| 35 inherited_value: info.initial_values[0] }); | |
| 36 test_queue.push({ prop: prop, value: "unset", | |
| 37 inherited_value: info.other_values[0] }); | |
| 38 } else { | |
| 39 test_queue.push({ prop: prop, value: "unset" }); | |
| 40 } | |
| 41 } | |
| 42 for (var idx in info.initial_values) { | |
| 43 test_queue.push({ prop: prop, value: info.initial_values[idx] }); | |
| 44 } | |
| 45 for (var idx in info.other_values) { | |
| 46 test_queue.push({ prop: prop, value: info.other_values[idx] }); | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 test_queue.reverse(); | |
| 51 | |
| 52 doTest(); | |
| 53 | |
| 54 function doTest() | |
| 55 { | |
| 56 var sheet_data = ""; | |
| 57 | |
| 58 for (var idx = 0; idx < test_queue.length; ++idx) { | |
| 59 var current_item = test_queue[idx]; | |
| 60 | |
| 61 var info = gCSSProperties[current_item.prop]; | |
| 62 | |
| 63 sheet_data += "#parent"+idx+", #test"+idx+" { "; | |
| 64 for (var prereq in info.prereqs) { | |
| 65 sheet_data += prereq + ": " + info.prereqs[prereq] + ";"; | |
| 66 } | |
| 67 sheet_data += " }"; | |
| 68 | |
| 69 sheet_data += "#parent"+idx+" { "; | |
| 70 if ("inherited_value" in current_item) { | |
| 71 sheet_data += current_item.prop + ": " + current_item.inherited_value; | |
| 72 } | |
| 73 sheet_data += "}"; | |
| 74 | |
| 75 sheet_data += "#test"+idx+" { "; | |
| 76 sheet_data += current_item.prop + ": " + current_item.value; | |
| 77 sheet_data += "}"; | |
| 78 } | |
| 79 | |
| 80 var sheet_url = "data:text/css," + escape(sheet_data); | |
| 81 | |
| 82 var doc_data = | |
| 83 "<!DOCTYPE HTML>\n" + | |
| 84 "<link rel='stylesheet' type='text/css' href='" + sheet_url + "'>\n" + | |
| 85 "<link rel='stylesheet' type='text/css' href='" + sheet_url + "'>\n" + | |
| 86 "<body>\n"; | |
| 87 | |
| 88 | |
| 89 for (var idx = 0; idx < test_queue.length; ++idx) { | |
| 90 var current_item = test_queue[idx]; | |
| 91 | |
| 92 if ("inherited_value" in current_item) { | |
| 93 doc_data += "<span id='parent"+idx+"'>"; | |
| 94 } | |
| 95 doc_data += "<span id='test"+idx+"'></span>"; | |
| 96 if ("inherited_value" in current_item) { | |
| 97 doc_data += "</span>"; | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 var doc_url = "data:text/html," + escape(doc_data); | |
| 102 iframe.onload = iframe_loaded; | |
| 103 iframe.src = doc_url; | |
| 104 } | |
| 105 | |
| 106 function iframe_loaded(event) | |
| 107 { | |
| 108 if (event.target != iframe) | |
| 109 return; | |
| 110 | |
| 111 var start_ser = []; | |
| 112 var start_compute = []; | |
| 113 var test_cs = []; | |
| 114 var ifdoc = iframe.contentDocument; | |
| 115 | |
| 116 for (var idx = 0; idx < test_queue.length; ++idx) { | |
| 117 var current_item = test_queue[idx]; | |
| 118 var info = gCSSProperties[current_item.prop]; | |
| 119 | |
| 120 var test = ifdoc.getElementById("test" + idx); | |
| 121 var cur_cs = iframe.contentWindow.getComputedStyle(test, ""); | |
| 122 test_cs.push(cur_cs); | |
| 123 var cur_ser = ifdoc.styleSheets[0].cssRules[3*idx+2].style.getPropertyValue(current_item.prop); | |
| 124 if (cur_ser == "") { | |
| 125 isnot(cur_ser, "", | |
| 126 "serialization should be nonempty for " + | |
| 127 current_item.prop + ": " + current_item.value); | |
| 128 } | |
| 129 start_ser.push(cur_ser); | |
| 130 | |
| 131 var cur_compute; | |
| 132 if (!("backend_only" in info)) { | |
| 133 cur_compute = get_computed_value(cur_cs, current_item.prop); | |
| 134 if (cur_compute == "") { | |
| 135 isnot(cur_compute, "", | |
| 136 "computed value should be nonempty for " + | |
| 137 current_item.prop + ": " + current_item.value); | |
| 138 } | |
| 139 } else { | |
| 140 cur_compute = undefined; | |
| 141 } | |
| 142 start_compute.push(cur_compute); | |
| 143 } | |
| 144 | |
| 145 // In case the above access didn't force a clone already (though it | |
| 146 // currently does), clone the second style sheet's inner and then | |
| 147 // remove the first. | |
| 148 ifdoc.styleSheets[1].insertRule("#nonexistent { color: red }", 0); | |
| 149 var firstlink = ifdoc.getElementsByTagName("link")[0]; | |
| 150 firstlink.parentNode.removeChild(firstlink); | |
| 151 | |
| 152 // Force a flush | |
| 153 ifdoc.body.style.display="none"; | |
| 154 var ow = ifdoc.body.offsetWidth; | |
| 155 ifdoc.body.style.display=""; | |
| 156 | |
| 157 for (var idx = 0; idx < test_queue.length; ++idx) { | |
| 158 var current_item = test_queue[idx]; | |
| 159 var info = gCSSProperties[current_item.prop]; | |
| 160 | |
| 161 var end_ser = | |
| 162 ifdoc.styleSheets[0].cssRules[3*idx+3].style.getPropertyValue(current_item.prop); | |
| 163 is(end_ser, start_ser[idx], | |
| 164 "serialization should match when cloning " + | |
| 165 current_item.prop + ": " + current_item.value); | |
| 166 | |
| 167 if (!("backend_only" in info)) { | |
| 168 var end_compute = get_computed_value(test_cs[idx], current_item.prop); | |
| 169 // Output computed values only when the test failed. | |
| 170 // Computed values may be very long. | |
| 171 if (end_compute == start_compute[idx]) { | |
| 172 ok(true, | |
| 173 "computed values should match when cloning " + | |
| 174 current_item.prop + ": " + current_item.value); | |
| 175 } else { | |
| 176 is(end_compute, start_compute[idx], | |
| 177 "computed values should match when cloning " + | |
| 178 current_item.prop + ": " + current_item.value); | |
| 179 } | |
| 180 } | |
| 181 } | |
| 182 | |
| 183 SimpleTest.finish(); | |
| 184 } | |
| 185 | |
| 186 </script> | |
| 187 </pre> | |
| 188 </body> | |
| 189 </html> |
