Derive the step base for an input element as (now) specified.

LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html

Index: LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html
diff --git a/LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html b/LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html
index 2d5b1bdf7c5b7dc30c7d537beb14ff4627948414..61935f3eaba83d7b28c21bb6a2d6d500cddaaffd 100644
--- a/LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html
+++ b/LayoutTests/fast/forms/calendar-picker/calendar-picker-datetimelocal-with-step.html
@@ -8,14 +8,16 @@
 <div id="console"></div>
 
 <input type="datetime-local" id="datetime" value="2012-11-20T00:00" step="302400"/>
+<input type="datetime-local" id="datetime-bare" step="302400"/>
 
 <script>
 description('Test if step limits available dates in calendar picker on datetime input.');
 
-openPicker(document.getElementById('datetime'), test1);
+document.getElementById('datetime-bare').value = '2012-11-20T00:00';
+openPicker(document.getElementById('datetime-bare'), test1);
 
 function test1() {
-    debug("Step without min or max.");
+    debug("Step without value, min nor max attributes.");
     shouldBeEqualToString('availableDayCells()', '2012-10-28,2012-11-01,2012-11-04,2012-11-08,2012-11-11,2012-11-15,2012-11-18,2012-11-22,2012-11-25,2012-11-29');
 
     // Close popup
@@ -24,15 +26,12 @@ function test1() {
 }
 
 function test1AfterClose() {
-    document.getElementById('datetime').min = "2012-11-16T12:00";
-    
-    // Reopen popup
     openPicker(document.getElementById('datetime'), test2);
 }
 
 function test2() {
-    debug("Step when min is set.");
-    shouldBeEqualToString('availableDayCells()', '2012-11-16,2012-11-20,2012-11-23,2012-11-27,2012-11-30');
+    debug("Step without min or max.");
+    shouldBeEqualToString('availableDayCells()', '2012-10-30,2012-11-02,2012-11-06,2012-11-09,2012-11-13,2012-11-16,2012-11-20,2012-11-23,2012-11-27,2012-11-30');
 
     // Close popup
     eventSender.keyDown('\x1B');
@@ -40,13 +39,29 @@ function test2() {
 }
 
 function test2AfterClose() {
-    document.getElementById('datetime').max = "2012-11-20T00:00";
-    
+    document.getElementById('datetime').min = '2012-11-16T12:00';
+
     // Reopen popup
     openPicker(document.getElementById('datetime'), test3);
 }
 
 function test3() {
+    debug("Step when min is set.");
+    shouldBeEqualToString('availableDayCells()', '2012-11-16,2012-11-20,2012-11-23,2012-11-27,2012-11-30');
+
+    // Close popup
+    eventSender.keyDown('\x1B');
+    waitUntilClosing(test3AfterClose);
+}
+
+function test3AfterClose() {
+    document.getElementById('datetime').max = '2012-11-20T00:00';
+
+    // Reopen popup
+    openPicker(document.getElementById('datetime'), test4);
+}
+
+function test4() {
     debug("Step when min and max are set.");
     shouldBeEqualToString('availableDayCells()', '2012-11-16,2012-11-20');
     finishJSTest();