define( [ "jquery", "ui/widgets/draggable" ], function( $ ) { var element; module( "draggable: events", { setup: function() { element = $("
").appendTo("#qunit-fixture"); }, teardown: function() { element.draggable("destroy"); } }); test( "callbacks occurrence count", function() { expect( 3 ); var start = 0, stop = 0, dragc = 0; element.draggable({ start: function() { start++; }, drag: function() { dragc++; }, stop: function() { stop++; } }); element.simulate( "drag", { dx: 10, dy: 10 }); equal( start, 1, "start callback should happen exactly once" ); equal( dragc, 3, "drag callback should happen exactly once per mousemove" ); equal( stop, 1, "stop callback should happen exactly once" ); }); test( "stopping the start callback", function() { expect( 3 ); var start = 0, stop = 0, dragc = 0; element.draggable({ start: function() { start++; return false; }, drag: function() { dragc++; }, stop: function() { stop++; } }); element.simulate( "drag", { dx: 10, dy: 10 }); equal( start, 1, "start callback should happen exactly once" ); equal( dragc, 0, "drag callback should not happen at all" ); equal( stop, 0, "stop callback should not happen if there wasnt even a start" ); }); test( "stopping the drag callback", function() { expect( 2 ); var start = 0, stop = 0, dragc = 0; element.draggable({ start: function() { start++; }, drag: function() { dragc++; return false; }, stop: function() { stop++; } }); element.simulate( "drag", { dx: 10, dy: 10 }); equal( start, 1, "start callback should happen exactly once" ); equal( stop, 1, "stop callback should happen, as we need to actively stop the drag" ); }); test( "stopping the stop callback", function() { expect( 1 ); element.draggable({ helper: "clone", stop: function() { return false; } }); element.simulate( "drag", { dx: 10, dy: 10 }); ok( element.draggable( "instance" ).helper, "the clone should not be deleted if the stop callback is stopped" ); }); // http://bugs.jqueryui.com/ticket/6884 // Draggable: ui.offset.left differs between the "start" and "drag" hooks test( "position and offset in hash is consistent between start, drag, and stop", function() { expect( 4 ); var startPos, startOffset, dragPos, dragOffset, stopPos, stopOffset; element = $( "
" ).appendTo( "#qunit-fixture" ); element.draggable({ start: function( event, ui ) { startPos = ui.position; startOffset = ui.offset; }, drag: function( event, ui ) { dragPos = ui.position; dragOffset = ui.offset; }, stop: function( event, ui ) { stopPos = ui.position; stopOffset = ui.offset; } }); element.simulate( "drag", { dx: 10, dy: 10, moves: 1 }); startPos.left += 10; startPos.top += 10; startOffset.left += 10; startOffset.top += 10; deepEqual( startPos, dragPos, "start position equals drag position plus distance" ); deepEqual( dragPos, stopPos, "drag position equals stop position" ); deepEqual( startOffset, dragOffset, "start offset equals drag offset plus distance" ); deepEqual( dragOffset, stopOffset, "drag offset equals stop offset" ); }); } );