hit-test.js (1669B)
1 setup({explicit_done: true}); 2 3 var img = document.getElementById('img'); 4 var area = document.getElementById('area'); 5 6 var hitRect = [[area, 3, 3], [area, 9, 9], [img, 1, 3], [img, 3, 1], [img, 11, 9], [img, 9, 11], [img, 21, 41], [img, 101, 101]]; 7 var hitNone = [[img, 3, 3], [img, 9, 9], [img, 1, 3], [img, 3, 1], [img, 11, 9], [img, 9, 11], [img, 21, 41], [img, 101, 101]]; 8 var hitAll = [[area, 1, 1], [area, 1, 299], [area, 299, 1], [area, 299, 299], [area, 21, 41], [area, 101, 101]]; 9 var hitCircle = [[area, 11, 40], [area, 29, 40], [area, 20, 31], [area, 20, 49], [img, 12, 32], [img, 28, 48], [img, 101, 101]]; 10 var hitPoly = [[area, 101, 101], [area, 119, 101], [area, 101, 119], [img, 118, 118], [img, 3, 3], [img, 21, 41]]; 11 var hitStar = [[area, 101, 101], [area, 199, 101], [area, 150, 51], [img, 150, 125], [img, 3, 3], [img, 21, 41]]; 12 13 var tests; 14 // The test file should have `tests` defined as follows: 15 // tests = [ 16 // {desc: string, shape: string?, coords: string?, hit: [[element, x, y], ...]}, 17 // ... 18 // ]; 19 20 onload = function() { 21 tests.forEach(function(t) { 22 test(function(t_obj) { 23 if (t.shape === null) { 24 area.removeAttribute('shape'); 25 } else { 26 area.shape = t.shape; 27 } 28 if (area.coords === null) { 29 area.removeAttribute('coords'); 30 } else { 31 area.coords = t.coords; 32 } 33 t.hit.forEach(function(arr) { 34 var expected = arr[0]; 35 var x = arr[1]; 36 var y = arr[2]; 37 assert_equals(document.elementFromPoint(x, y), expected, 'elementFromPoint('+x+', '+y+')'); 38 }); 39 }, t.desc + ': ' + format_value(t.coords) + ' (' + t.shape + ')'); 40 }); 41 done(); 42 };