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Diffstat (limited to 'dom/html/test/forms/test_input_range_rounding.html')
-rw-r--r-- | dom/html/test/forms/test_input_range_rounding.html | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/dom/html/test/forms/test_input_range_rounding.html b/dom/html/test/forms/test_input_range_rounding.html new file mode 100644 index 0000000000..9c3c21ce6e --- /dev/null +++ b/dom/html/test/forms/test_input_range_rounding.html @@ -0,0 +1,103 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=853525 +--> +<head> + <title>Test key events for range</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script src="/tests/SimpleTest/EventUtils.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> + <meta charset="UTF-8"> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=853525">Mozilla Bug 853525</a> +<p id="display"></p> +<div id="content"> + <input id=range type=range value=0 step=0.01 max=1> +</div> +<pre id="test"> +<script type="application/javascript"> + +/** + * Test for Bug 853525 + * This test checks that when <input type=range> has fractional step values, + * the values that a content author will see in their script will not have + * ugly rounding errors. + **/ +SimpleTest.waitForExplicitFinish(); +SimpleTest.waitForFocus(function() { + test(); + SimpleTest.finish(); +}); + +/** + * We can _NOT_ generate these values by looping and simply incrementing a + * variable by 0.01 and stringifying it, since we'll end up with strings like + * "0.060000000000000005" due to the inability of binary floating point numbers + * to accurately represent decimal values. + */ +var stepVals = [ + "0", "0.01", "0.02", "0.03", "0.04", "0.05", "0.06", "0.07", "0.08", "0.09", + "0.1", "0.11", "0.12", "0.13", "0.14", "0.15", "0.16", "0.17", "0.18", "0.19", + "0.2", "0.21", "0.22", "0.23", "0.24", "0.25", "0.26", "0.27", "0.28", "0.29", + "0.3", "0.31", "0.32", "0.33", "0.34", "0.35", "0.36", "0.37", "0.38", "0.39", + "0.4", "0.41", "0.42", "0.43", "0.44", "0.45", "0.46", "0.47", "0.48", "0.49", + "0.5", "0.51", "0.52", "0.53", "0.54", "0.55", "0.56", "0.57", "0.58", "0.59", + "0.6", "0.61", "0.62", "0.63", "0.64", "0.65", "0.66", "0.67", "0.68", "0.69", + "0.7", "0.71", "0.72", "0.73", "0.74", "0.75", "0.76", "0.77", "0.78", "0.79", + "0.8", "0.81", "0.82", "0.83", "0.84", "0.85", "0.86", "0.87", "0.88", "0.89", + "0.9", "0.91", "0.92", "0.93", "0.94", "0.95", "0.96", "0.97", "0.98", "0.99", + "1" +]; + +var pgUpDnVals = [ + "0", "0.1", "0.2", "0.3", "0.4", "0.5", "0.6", "0.7", "0.8", "0.9", "1" +]; + +function test() { + var elem = document.getElementById("range"); + + elem.focus(); + + for (var i = 1; i < pgUpDnVals.length; ++i) { + synthesizeKey("KEY_PageUp"); + is(elem.value, pgUpDnVals[i], "Test KEY_PageUp"); + is(elem.validity.valid, true, "Check element is valid for value " + pgUpDnVals[i]); + } + + for (var i = pgUpDnVals.length - 2; i >= 0; --i) { + synthesizeKey("KEY_PageDown"); + is(elem.value, pgUpDnVals[i], "Test KEY_PageDown"); + is(elem.validity.valid, true, "Check element is valid for value " + pgUpDnVals[i]); + } + + for (var i = 1; i < stepVals.length; ++i) { + synthesizeKey("KEY_ArrowUp"); + is(elem.value, stepVals[i], "Test KEY_ArrowUp"); + is(elem.validity.valid, true, "Check element is valid for value " + stepVals[i]); + } + + for (var i = stepVals.length - 2; i >= 0; --i) { + synthesizeKey("KEY_ArrowDown"); + is(elem.value, stepVals[i], "Test KEY_ArrowDown"); + is(elem.validity.valid, true, "Check element is valid for value " + stepVals[i]); + } + + for (var i = 1; i < stepVals.length; ++i) { + elem.stepUp(); + is(elem.value, stepVals[i], "Test stepUp()"); + is(elem.validity.valid, true, "Check element is valid for value " + stepVals[i]); + } + + for (var i = stepVals.length - 2; i >= 0; --i) { + elem.stepDown(); + is(elem.value, stepVals[i], "Test stepDown()"); + is(elem.validity.valid, true, "Check element is valid for value " + stepVals[i]); + } +} + +</script> +</pre> +</body> +</html> |