зеркало из https://github.com/mozilla/gecko-dev.git
Bug 636627 - Implement stepDown() and stepUp() for <input type='number'>. r=sicking
--HG-- extra : rebase_source : 94d0543e68d5c2aa021e07b8b62d674e280f10dd
This commit is contained in:
Mounir Lamouri
Родитель
a643785d84
Коммит
2e4b9d817e
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@ -1060,6 +1060,129 @@ nsHTMLInputElement::GetList(nsIDOMHTMLElement** aValue)
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return NS_OK;
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}
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void
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nsHTMLInputElement::SetValue(double aValue)
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{
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nsAutoString value;
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value.AppendFloat(aValue);
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SetValue(value);
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}
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double
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nsHTMLInputElement::GetStepBase() const
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{
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if (!HasAttr(kNameSpaceID_None, nsGkAtoms::min)) {
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return kDefaultStepBase;
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}
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nsAutoString minStr;
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GetAttr(kNameSpaceID_None, nsGkAtoms::min, minStr);
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PRInt32 ec;
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double stepBase = minStr.ToDouble(&ec);
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return NS_FAILED(ec) ? kDefaultStepBase : stepBase;
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}
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nsresult
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nsHTMLInputElement::ApplyStep(PRInt32 aStep)
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{
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if (!DoStepDownStepUpApply()) {
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return NS_ERROR_DOM_INVALID_STATE_ERR;
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}
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double step = GetStep();
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if (step == kStepAny) {
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return NS_ERROR_DOM_INVALID_STATE_ERR;
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}
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double value = GetValueAsDouble();
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if (value != value) { // NaN
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return NS_OK;
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}
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// TODO: refactorize with GetMin(), see bug 636634.
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double min = std::numeric_limits<double>::quiet_NaN();
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if (HasAttr(kNameSpaceID_None, nsGkAtoms::min)) {
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nsAutoString minStr;
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GetAttr(kNameSpaceID_None, nsGkAtoms::min, minStr);
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PRInt32 ec;
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double minTmp = minStr.ToDouble(&ec);
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if (!NS_FAILED(ec)) {
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min = minTmp;
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}
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}
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// TODO: refactorize with GetMax(), see bug 636634.
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double max = std::numeric_limits<double>::quiet_NaN();
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if (HasAttr(kNameSpaceID_None, nsGkAtoms::max)) {
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nsAutoString maxStr;
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GetAttr(kNameSpaceID_None, nsGkAtoms::max, maxStr);
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PRInt32 ec;
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double maxTmp = maxStr.ToDouble(&ec);
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if (!NS_FAILED(ec)) {
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// "max - (max - stepBase) % step" is the nearest valid value to max.
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max = maxTmp - NS_floorModulo(maxTmp - GetStepBase(), step);
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}
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}
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// Cases where we are clearly going in the wrong way.
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// We don't use ValidityState because we can be higher than the maximal
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// allowed value and still not suffer from range overflow in the case of
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// of the value specified in @max isn't in the step.
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if ((value <= min && aStep < 0) ||
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(value >= max && aStep > 0)) {
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return NS_OK;
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}
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if (GetValidityState(VALIDITY_STATE_STEP_MISMATCH) &&
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value != min && value != max) {
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if (aStep > 0) {
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value -= NS_floorModulo(value - GetStepBase(), step);
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} else if (aStep < 0) {
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value -= NS_floorModulo(value - GetStepBase(), step);
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value += step;
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}
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}
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value += aStep * step;
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// When stepUp() is called and the value is below min, we should clamp on
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// min unless stepUp() moves us higher than min.
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if (GetValidityState(VALIDITY_STATE_RANGE_UNDERFLOW) && aStep > 0 &&
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value <= min) {
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MOZ_ASSERT(min == min); // min can't be NaN if we are here!
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value = min;
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// Same goes for stepDown() and max.
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} else if (GetValidityState(VALIDITY_STATE_RANGE_OVERFLOW) && aStep < 0 &&
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value >= max) {
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MOZ_ASSERT(max == max); // max can't be NaN if we are here!
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value = max;
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// If we go down, we want to clamp on min.
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} else if (aStep < 0 && min == min) {
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value = NS_MAX(value, min);
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// If we go up, we want to clamp on max.
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} else if (aStep > 0 && max == max) {
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value = NS_MIN(value, max);
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}
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SetValue(value);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLInputElement::StepDown(PRInt32 n, PRUint8 optional_argc)
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{
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return ApplyStep(optional_argc ? -n : -1);
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}
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NS_IMETHODIMP
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nsHTMLInputElement::StepUp(PRInt32 n, PRUint8 optional_argc)
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{
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return ApplyStep(optional_argc ? n : 1);
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}
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NS_IMETHODIMP
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nsHTMLInputElement::MozGetFileNameArray(PRUint32 *aLength, PRUnichar ***aFileNames)
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{
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@ -3897,21 +4020,8 @@ nsHTMLInputElement::HasStepMismatch() const
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return false;
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}
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double stepBase = kDefaultStepBase;
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if (HasAttr(kNameSpaceID_None, nsGkAtoms::min)) {
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nsAutoString minStr;
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GetAttr(kNameSpaceID_None, nsGkAtoms::min, minStr);
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PRInt32 ec;
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stepBase = minStr.ToDouble(&ec);
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if (NS_FAILED(ec)) {
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stepBase = kDefaultStepBase;
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}
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}
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// Value has to be an integral multiple of step.
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return fmod(value - stepBase, step) != 0;
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return fmod(value - GetStepBase(), step) != 0;
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}
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void
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@ -479,6 +479,11 @@ protected:
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*/
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bool DoesStepApply() const { return DoesMinMaxApply(); }
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/**
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* Returns if stepDown and stepUp methods apply for the current type.
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*/
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bool DoStepDownStepUpApply() const { return DoesStepApply(); }
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/**
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* Returns if the maxlength attribute applies for the current type.
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*/
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@ -557,6 +562,13 @@ protected:
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*/
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double GetValueAsDouble() const;
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/**
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* Sets the value of the element to the string representation of the double.
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*
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* @param aValue The double that will be used to set the value.
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*/
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void SetValue(double aValue);
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/**
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* Update the HAS_RANGE bit field value.
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*/
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@ -570,6 +582,22 @@ protected:
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*/
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double GetStep() const;
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/**
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* Return the base used to compute if a value matches step.
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* Basically, it's the min attribute if present and a default value otherwise.
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*
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* @return The step base.
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*/
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double GetStepBase() const;
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/**
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* Apply a step change from stepUp or stepDown by multiplying aStep by the
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* current step value.
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*
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* @param aStep The value used to be multiplied against the step value.
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*/
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nsresult ApplyStep(PRInt32 aStep);
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nsCOMPtr<nsIControllers> mControllers;
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/*
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@ -45,6 +45,7 @@ _TEST_FILES = \
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test_max_attribute.html \
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test_min_attribute.html \
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test_step_attribute.html \
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test_stepup_stepdown.html \
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$(NULL)
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libs:: $(_TEST_FILES)
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@ -0,0 +1,347 @@
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<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=636627
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-->
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<head>
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<title>Test for Bug 636627</title>
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<script type="application/javascript" src="/MochiKit/packed.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=636627">Mozilla Bug 636627</a>
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<p id="display"></p>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 636627 **/
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/**
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* This test is testing stepDown() and stepUp().
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*/
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function checkPresence()
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{
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var input = document.createElement('input');
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is('stepDown' in input, true, 'stepDown() should be an input function');
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is('stepUp' in input, true, 'stepUp() should be an input function');
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}
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function checkAvailability()
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{
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var testData =
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[
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["text", false],
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["password", false],
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["search", false],
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["telephone", false],
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["email", false],
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["url", false],
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["hidden", false],
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["checkbox", false],
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["radio", false],
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["file", false],
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["submit", false],
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["image", false],
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["reset", false],
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["button", false],
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["number", true],
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// The next types have not been implemented but will fallback to "text"
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// which has the same value.
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["color", false],
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];
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var todoList =
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[
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["datetime", true],
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["date", true],
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["month", true],
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["week", true],
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["time", true],
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["datetime-local", true],
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["range", true],
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];
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var element = document.createElement("input");
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element.setAttribute('value', '0');
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for each (data in testData) {
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var exceptionCaught = false;
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element.type = data[0];
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try {
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element.stepDown();
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} catch (e) {
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exceptionCaught = true;
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}
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is(exceptionCaught, !data[1], "stepDown() availability is not correct");
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exceptionCaught = false;
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try {
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element.stepUp();
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} catch (e) {
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exceptionCaught = true;
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}
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is(exceptionCaught, !data[1], "stepUp() availability is not correct");
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}
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for each (data in todoList) {
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var exceptionCaught = false;
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element.type = data[0];
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try {
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element.stepDown();
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} catch (e) {
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exceptionCaught = true;
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}
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todo_is(exceptionCaught, !data[1],
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"stepDown() availability is not correct");
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exceptionCaught = false;
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try {
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element.stepUp();
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} catch (e) {
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exceptionCaught = true;
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}
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todo_is(exceptionCaught, !data[1],
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"stepUp() availability is not correct");
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}
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}
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function checkStepDownForNumber()
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{
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// This testData is very similar to the one in checkStepUpForNumber
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// with some changes relative to stepDown.
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var testData = [
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/* Initial value | step | min | max | stepDown arg | final value | exception */
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// Regular case.
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[ '1', null, null, null, null, '0', false ],
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// Argument testing.
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[ '1', null, null, null, 1, '0', false ],
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[ '9', null, null, null, 9, '0', false ],
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[ '1', null, null, null, -1, '2', false ],
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[ '1', null, null, null, 0, '1', false ],
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// Float values are rounded to integer (1.1 -> 1).
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[ '1', null, null, null, 1.1, '0', false ],
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// With step values.
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[ '1', '0.5', null, null, null, '0.5', false ],
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[ null, '0.5', null, null, null, '0', false ],
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[ null, '0.5', null, null, null, '-0.5', false ],
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[ '1', '0.25', null, null, 4, '0', false ],
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// step = 0 isn't allowed (-> step = 1).
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[ '1', '0', null, null, null, '0', false ],
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// step < 0 isn't allowed (-> step = 1).
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[ '1', '-1', null, null, null, '0', false ],
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// step = NaN isn't allowed (-> step = 1).
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[ '1', 'foo', null, null, null, '0', false ],
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// Min values testing.
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[ '1', '1', 'foo', null, null, '0', false ],
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[ '1', null, '-10', null, null, '0', false ],
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[ '1', null, '0', null, null, '0', false ],
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[ '1', null, '10', null, null, '1', false ],
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[ '1', null, '2', null, null, '1', false ],
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[ '1', null, '1', null, null, '1', false ],
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// Max values testing.
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[ '1', '1', null, 'foo', null, '0', false ],
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[ '1', null, null, '10', null, '0', false ],
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[ '1', null, null, '0', null, '0', false ],
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[ '1', null, null, '-10', null, '-10', false ],
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[ '1', null, null, '1', null, '0', false ],
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[ '5', null, null, '3', '3', '2', false ],
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[ '5', '2', null, '3', '2', '2', false ],
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[ '-3', '5', '-10', '-3', null, '-5', false ],
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// Step mismatch.
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[ '1', '2', '-2', null, null, '0', false ],
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[ '3', '2', '-2', null, null, '2', false ],
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[ '3', '2', '-2', null, '2', '0', false ],
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[ '3', '2', '-2', null, '-2', '6', false ],
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[ '1', '2', null, null, null, '0', false ],
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[ '1', '2', '-2', null, null, '0', false ],
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[ '1', '3', null, null, null, '0', false ],
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[ '2', '3', null, null, null, '0', false ],
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[ '2', '3', '1', null, null, '1', false ],
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[ '5', '3', '1', null, null, '4', false ],
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[ '3', '2', null, null, null, '2', false ],
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[ '5', '2', null, null, null, '4', false ],
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[ '6', '2', '1', null, null, '5', false ],
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[ '8', '3', '1', null, null, '7', false ],
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[ '9', '2', '-10', null, null, '8', false ],
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[ '7', '3', '-10', null, null, '5', false ],
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[ '-2', '3', '-10', null, null, '-4', false ],
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// Clamping.
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[ '0', '2', '-1', null, null, '-1', false ],
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[ '10', '2', '0', '4', '10', '0', false ],
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[ '10', '2', '0', '4', '5', '0', false ],
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// value = "" (NaN).
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[ '', null, null, null, null, '', false ],
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// With step = 'any'.
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[ '0', 'any', null, null, 1, null, true ],
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[ '0', 'ANY', null, null, 1, null, true ],
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[ '0', 'AnY', null, null, 1, null, true ],
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[ '0', 'aNy', null, null, 1, null, true ],
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];
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var element = document.createElement("input");
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element.type = 'number';
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for each (var data in testData) {
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if (data[0] != null) {
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element.value = data[0];
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}
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if (data[1] != null) {
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element.step = data[1];
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}
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if (data[2] != null) {
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element.min = data[2];
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}
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if (data[3] != null) {
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element.max = data[3];
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}
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var exceptionCaught = false;
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try {
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if (data[4] != null) {
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element.stepDown(data[4]);
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} else {
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element.stepDown();
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}
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is(element.value, data[5], "The value should be " + data[5]);
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} catch (e) {
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exceptionCaught = true;
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is(element.value, data[0], e.name + "The value should not have changed");
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is(e.name, 'InvalidStateError',
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"It should be a InvalidStateError exception.");
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} finally {
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is(exceptionCaught, data[6], "exception status should be " + data[6]);
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}
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element.removeAttribute('step');
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element.removeAttribute('min');
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element.removeAttribute('max');
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}
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}
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function checkStepUpForNumber()
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{
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// This testData is very similar to the one in checkStepDownForNumber
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// with some changes relative to stepUp.
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var testData = [
|
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/* Initial value | step | min | max | stepUp arg | final value | exception */
|
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// Regular case.
|
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[ '1', null, null, null, null, '2', false ],
|
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// Argument testing.
|
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[ '1', null, null, null, 1, '2', false ],
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[ '9', null, null, null, 9, '18', false ],
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[ '1', null, null, null, -1, '0', false ],
|
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[ '1', null, null, null, 0, '1', false ],
|
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// Float values are rounded to integer (1.1 -> 1).
|
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[ '1', null, null, null, 1.1, '2', false ],
|
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// With step values.
|
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[ '1', '0.5', null, null, null, '1.5', false ],
|
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[ null, '0.5', null, null, null, '2', false ],
|
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[ null, '0.5', null, null, null, '2.5', false ],
|
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[ '1', '0.25', null, null, 4, '2', false ],
|
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// step = 0 isn't allowed (-> step = 1).
|
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[ '1', '0', null, null, null, '2', false ],
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// step < 0 isn't allowed (-> step = 1).
|
||||
[ '1', '-1', null, null, null, '2', false ],
|
||||
// step = NaN isn't allowed (-> step = 1).
|
||||
[ '1', 'foo', null, null, null, '2', false ],
|
||||
// Min values testing.
|
||||
[ '1', '1', 'foo', null, null, '2', false ],
|
||||
[ '1', null, '-10', null, null, '2', false ],
|
||||
[ '1', null, '0', null, null, '2', false ],
|
||||
[ '1', null, '10', null, null, '10', false ],
|
||||
[ '1', null, '2', null, null, '2', false ],
|
||||
[ '1', null, '1', null, null, '2', false ],
|
||||
[ '0', null, '4', null, '5', '5', false ],
|
||||
[ '0', '2', '5', null, '3', '5', false ],
|
||||
// Max values testing.
|
||||
[ '1', '1', null, 'foo', null, '2', false ],
|
||||
[ '1', null, null, '10', null, '2', false ],
|
||||
[ '1', null, null, '0', null, '1', false ],
|
||||
[ '1', null, null, '-10', null, '1', false ],
|
||||
[ '1', null, null, '1', null, '1', false ],
|
||||
[ '-3', '5', '-10', '-3', null, '-3', false ],
|
||||
// Step mismatch.
|
||||
[ '1', '2', '0', null, null, '2', false ],
|
||||
[ '1', '2', '0', null, '2', '4', false ],
|
||||
[ '8', '2', null, '9', null, '8', false ],
|
||||
[ '-3', '2', null, null, null, '-2', false ],
|
||||
[ '9', '3', '-10', null, null, '11', false ],
|
||||
[ '7', '3', '-10', null, null, '8', false ],
|
||||
[ '7', '3', '5', null, null, '8', false ],
|
||||
[ '9', '4', '3', null, null, '11', false ],
|
||||
[ '-2', '3', '-6', null, null, '0', false ],
|
||||
[ '7', '3', '6', null, null, '9', false ],
|
||||
// Clamping.
|
||||
[ '1', '2', '0', '3', null, '2', false ],
|
||||
[ '0', '5', '1', '8', '10', '6', false ],
|
||||
[ '-9', '3', '-8', '-1', '5', '-2', false ],
|
||||
[ '-9', '3', '8', '15', '15', '14', false ],
|
||||
[ '-1', '3', '-1', '4', '3', '2', false ],
|
||||
[ '-3', '2', null, '-2', null, '-2', false ],
|
||||
[ '-3', '2', null, '-1', null, '-2', false ],
|
||||
// value = "" (NaN).
|
||||
[ '', null, null, null, null, '', false ],
|
||||
// With step = 'any'.
|
||||
[ '0', 'any', null, null, 1, null, true ],
|
||||
[ '0', 'ANY', null, null, 1, null, true ],
|
||||
[ '0', 'AnY', null, null, 1, null, true ],
|
||||
[ '0', 'aNy', null, null, 1, null, true ],
|
||||
];
|
||||
|
||||
var element = document.createElement("input");
|
||||
element.type = 'number';
|
||||
for each (var data in testData) {
|
||||
if (data[0] != null) {
|
||||
element.value = data[0];
|
||||
}
|
||||
|
||||
if (data[1] != null) {
|
||||
element.step = data[1];
|
||||
}
|
||||
|
||||
if (data[2] != null) {
|
||||
element.min = data[2];
|
||||
}
|
||||
|
||||
if (data[3] != null) {
|
||||
element.max = data[3];
|
||||
}
|
||||
|
||||
var exceptionCaught = false;
|
||||
try {
|
||||
if (data[4] != null) {
|
||||
element.stepUp(data[4]);
|
||||
} else {
|
||||
element.stepUp();
|
||||
}
|
||||
|
||||
is(element.value, data[5], "The value should be " + data[5]);
|
||||
} catch (e) {
|
||||
exceptionCaught = true;
|
||||
is(element.value, data[0], e.name + "The value should not have changed");
|
||||
is(e.name, 'InvalidStateError',
|
||||
"It should be a InvalidStateError exception.");
|
||||
} finally {
|
||||
is(exceptionCaught, data[6], "exception status should be " + data[6]);
|
||||
}
|
||||
|
||||
element.removeAttribute('step');
|
||||
element.removeAttribute('min');
|
||||
element.removeAttribute('max');
|
||||
}
|
||||
}
|
||||
|
||||
checkPresence();
|
||||
checkAvailability();
|
||||
checkStepDownForNumber();
|
||||
checkStepUpForNumber();
|
||||
|
||||
</script>
|
||||
</pre>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -20,7 +20,7 @@ interface nsIDOMValidityState;
|
|||
* http://www.whatwg.org/specs/web-apps/current-work/
|
||||
*/
|
||||
|
||||
[scriptable, uuid(e20b7e26-e952-4bba-9192-99bd1a4b3816)]
|
||||
[scriptable, uuid(71fb50df-5470-4e88-9a28-6ff2912e3ca7)]
|
||||
interface nsIDOMHTMLInputElement : nsIDOMHTMLElement
|
||||
{
|
||||
attribute DOMString accept;
|
||||
|
|
@ -67,6 +67,9 @@ interface nsIDOMHTMLInputElement : nsIDOMHTMLElement
|
|||
attribute DOMString defaultValue;
|
||||
attribute DOMString value;
|
||||
|
||||
[optional_argc] void stepDown([optional] in long n);
|
||||
[optional_argc] void stepUp([optional] in long n);
|
||||
|
||||
// The following lines are part of the constraint validation API, see:
|
||||
// http://www.whatwg.org/specs/web-apps/current-work/#the-constraint-validation-api
|
||||
readonly attribute boolean willValidate;
|
||||
|
|
|
|||
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Ссылка в новой задаче