<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=659596 --> <head> <title>Test for Bug 659596</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=659596">Mozilla Bug 659596</a> <p id="display"></p> <pre id="test"> <script type="application/javascript"> /** Test for Bug 659596 **/ function checkReflection(option, attribute) { /** * Getting. */ // When attribute isn't present. var tests = [ "", "foo" ]; for (var test of tests) { option.removeAttribute(attribute); option.textContent = test; is(option.getAttribute(attribute), null, "option " + attribute + "'s value should be null"); is(option[attribute], option.textContent, "option." + attribute + " should reflect the text content when the attribute isn't set"); } // When attribute is present. tests = [ [ "", "" ], [ "", "foo" ], [ "foo", "bar" ], [ "foo", "" ], ]; for (var test of tests) { option.setAttribute(attribute, test[0]); option.textContent = test[1]; is(option[attribute], option.getAttribute(attribute), "option." + attribute + " should reflect the content attribute when it is set"); } /** * Setting. */ // When attribute isn't present. tests = [ [ "", "new" ], [ "foo", "new" ], ]; for (var test of tests) { option.removeAttribute(attribute); option.textContent = test[0]; option[attribute] = test[1] is(option.getAttribute(attribute), test[1], "when setting, the content attribute should change"); is(option.textContent, test[0], "when setting, the text content should not change"); } // When attribute is present. tests = [ [ "", "", "new" ], [ "", "foo", "new" ], [ "foo", "bar", "new" ], [ "foo", "", "new" ], ]; for (var test of tests) { option.setAttribute(attribute, test[0]); option.textContent = test[1]; option[attribute] = test[2]; is(option.getAttribute(attribute), test[2], "when setting, the content attribute should change"); is(option.textContent, test[1], "when setting, the text content should not change"); } } var option = document.createElement("option"); checkReflection(option, "value"); checkReflection(option, "label"); </script> </pre> </body> </html>