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1 <!DOCTYPE HTML> |
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2 <html> |
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3 <!-- |
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4 --> |
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5 <head> |
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6 <title>Test for computation of CSS 'inherit' on all properties and 'unset' on inherited properties</title> |
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7 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> |
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8 <script type="text/javascript" src="property_database.js"></script> |
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9 <style type="text/css" id="stylesheet"></style> |
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10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> |
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11 </head> |
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12 <body> |
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13 <p id="display"><span id="fparent"><span id="fchild"></span></span></p> |
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14 <div id="content" style="display: none"> |
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15 |
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16 <div id="testnode"><span id="nparent"><span id="nchild"></span></span></div> |
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17 |
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18 </div> |
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19 <pre id="test"> |
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20 <script class="testbody" type="text/javascript"> |
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21 |
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22 /** Test for computation of CSS 'inherit' on all properties and 'unset' on |
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23 inherited properties **/ |
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24 |
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25 // elements without a frame |
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26 var gNParent = document.getElementById("nparent"); |
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27 var gNChild = document.getElementById("nchild"); |
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28 // elements with a frame |
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29 var gFParent = document.getElementById("fparent"); |
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30 var gFChild = document.getElementById("fchild"); |
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31 |
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32 var gStyleSheet = document.getElementById("stylesheet").sheet; |
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33 var gChildRule1 = gStyleSheet.cssRules[gStyleSheet.insertRule("#nchild, #fchild {}", gStyleSheet.cssRules.length)]; |
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34 var gChildRule2 = gStyleSheet.cssRules[gStyleSheet.insertRule("#nchild, #fchild {}", gStyleSheet.cssRules.length)]; |
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35 var gChildRule3 = gStyleSheet.cssRules[gStyleSheet.insertRule("#nchild.allother, #fchild.allother {}", gStyleSheet.cssRules.length)]; |
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36 var gChildRuleTop = gStyleSheet.cssRules[gStyleSheet.insertRule("#nchild, #nchild.allother, #fchild, #fchild.allother {}", gStyleSheet.cssRules.length)]; |
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37 var gParentRuleTop = gStyleSheet.cssRules[gStyleSheet.insertRule("#nparent, #fparent {}", gStyleSheet.cssRules.length)]; |
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38 |
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39 var gTestUnset = SpecialPowers.getBoolPref("layout.css.unset-value.enabled"); |
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40 |
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41 function get_computed_value_node(node, property) |
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42 { |
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43 var cs = getComputedStyle(node, ""); |
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44 return get_computed_value(cs, property); |
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45 } |
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46 |
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47 function test_property(property) |
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48 { |
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49 var info = gCSSProperties[property]; |
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50 if (info.backend_only) |
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51 return; |
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52 |
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53 var keywords = ["inherit"]; |
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54 if (info.inherited && gTestUnset) |
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55 keywords.push("unset"); |
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56 |
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57 keywords.forEach(function(keyword) { |
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58 if ("prerequisites" in info) { |
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59 var prereqs = info.prerequisites; |
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60 for (var prereq in prereqs) { |
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61 gParentRuleTop.style.setProperty(prereq, prereqs[prereq], ""); |
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62 gChildRuleTop.style.setProperty(prereq, prereqs[prereq], ""); |
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63 } |
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64 } |
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65 |
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66 if (info.inherited) { |
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67 gParentRuleTop.style.setProperty(property, info.initial_values[0], ""); |
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68 var initial_computed_n = get_computed_value_node(gNChild, property); |
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69 var initial_computed_f = get_computed_value_node(gFChild, property); |
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70 gChildRule1.style.setProperty(property, info.other_values[0], ""); |
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71 var other_computed_n = get_computed_value_node(gNChild, property); |
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72 var other_computed_f = get_computed_value_node(gFChild, property); |
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73 isnot(other_computed_n, initial_computed_n, |
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74 "should be testing with values that compute to different things " + |
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75 "for '" + property + "'"); |
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76 isnot(other_computed_f, initial_computed_f, |
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77 "should be testing with values that compute to different things " + |
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78 "for '" + property + "'"); |
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79 gChildRule3.style.setProperty(property, keyword, ""); |
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80 gFChild.className="allother"; |
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81 gNChild.className="allother"; |
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82 var inherit_initial_computed_n = get_computed_value_node(gNChild, property); |
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83 var inherit_initial_computed_f = get_computed_value_node(gFChild, property); |
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84 is(inherit_initial_computed_n, initial_computed_n, |
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85 keyword + " should cause inheritance of initial value for '" + |
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86 property + "'"); |
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87 is(inherit_initial_computed_f, initial_computed_f, |
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88 keyword + " should cause inheritance of initial value for '" + |
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89 property + "'"); |
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90 gParentRuleTop.style.setProperty(property, info.other_values[0], ""); |
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91 var inherit_other_computed_n = get_computed_value_node(gNChild, property); |
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92 var inherit_other_computed_f = get_computed_value_node(gFChild, property); |
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93 is(inherit_other_computed_n, other_computed_n, |
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94 keyword + " should cause inheritance of other value for '" + |
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95 property + "'"); |
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96 is(inherit_other_computed_f, other_computed_f, |
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97 keyword + " should cause inheritance of other value for '" + |
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98 property + "'"); |
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99 gParentRuleTop.style.removeProperty(property); |
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100 gChildRule1.style.removeProperty(property); |
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101 gChildRule3.style.setProperty(property, info.other_values[0], ""); |
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102 gFChild.className=""; |
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103 gNChild.className=""; |
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104 } else { |
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105 gParentRuleTop.style.setProperty(property, info.other_values[0], ""); |
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106 var initial_computed_n = get_computed_value_node(gNChild, property); |
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107 var initial_computed_f = get_computed_value_node(gFChild, property); |
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108 var other_computed_n = get_computed_value_node(gNParent, property); |
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109 var other_computed_f = get_computed_value_node(gFParent, property); |
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110 isnot(other_computed_n, initial_computed_n, |
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111 "should be testing with values that compute to different things " + |
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112 "for '" + property + "'"); |
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113 isnot(other_computed_f, initial_computed_f, |
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114 "should be testing with values that compute to different things " + |
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115 "for '" + property + "'"); |
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116 gChildRule2.style.setProperty(property, keyword, ""); |
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117 var inherit_other_computed_n = get_computed_value_node(gNChild, property); |
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118 var inherit_other_computed_f = get_computed_value_node(gFChild, property); |
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119 is(inherit_other_computed_n, other_computed_n, |
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120 keyword + " should cause inheritance of other value for '" + |
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121 property + "'"); |
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122 is(inherit_other_computed_f, other_computed_f, |
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123 keyword + " should cause inheritance of other value for '" + |
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124 property + "'"); |
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125 gParentRuleTop.style.removeProperty(property); |
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126 gChildRule1.style.setProperty(property, info.other_values[0], ""); |
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127 var inherit_initial_computed_n = get_computed_value_node(gNChild, property); |
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128 var inherit_initial_computed_f = get_computed_value_node(gFChild, property); |
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129 is(inherit_initial_computed_n, initial_computed_n, |
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130 keyword + " should cause inheritance of initial value for '" + |
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131 property + "'"); |
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132 is(inherit_initial_computed_f, initial_computed_f, |
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133 keyword + " should cause inheritance of initial value for '" + |
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134 property + "'"); |
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135 gParentRuleTop.style.removeProperty(property); |
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136 gChildRule1.style.removeProperty(property); |
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137 gChildRule2.style.removeProperty(property); |
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138 } |
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139 |
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140 if ("prerequisites" in info) { |
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141 var prereqs = info.prerequisites; |
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142 for (var prereq in prereqs) { |
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143 gParentRuleTop.style.removeProperty(prereq); |
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144 gChildRuleTop.style.removeProperty(prereq); |
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145 } |
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146 } |
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147 }); |
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148 } |
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149 |
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150 for (var prop in gCSSProperties) { |
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151 var info = gCSSProperties[prop]; |
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152 gChildRule3.style.setProperty(prop, info.other_values[0], ""); |
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153 } |
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154 |
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155 for (var prop in gCSSProperties) |
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156 test_property(prop); |
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157 |
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158 </script> |
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159 </pre> |
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160 </body> |
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161 </html> |