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644eff8b RK |
1 | // Copyright (c) 2011 Google, Inc. |
2 | // | |
3 | // Permission is hereby granted, free of charge, to any person obtaining a copy | |
4 | // of this software and associated documentation files (the "Software"), to deal | |
5 | // in the Software without restriction, including without limitation the rights | |
6 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
7 | // copies of the Software, and to permit persons to whom the Software is | |
8 | // furnished to do so, subject to the following conditions: | |
9 | // | |
10 | // The above copyright notice and this permission notice shall be included in | |
11 | // all copies or substantial portions of the Software. | |
12 | // | |
13 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
14 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
15 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
16 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
17 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
18 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
19 | // THE SOFTWARE. | |
20 | ||
21 | /** | |
22 | * @fileoverview Test cases for drawing simple lines. | |
23 | * | |
24 | * @author konigsberg@google.com (Robert Konigsberg) | |
25 | */ | |
26 | var ZERO_TO_FIFTY = [[ 20061010, 0 ] , [ 20061011, 50 ]]; | |
27 | ||
28 | var SimpleDrawingTestCase = TestCase("simple-drawing"); | |
29 | ||
30 | var _origFunc = Dygraph.getContext; | |
31 | SimpleDrawingTestCase.prototype.setUp = function() { | |
32 | document.body.innerHTML = "<div id='graph'></div>"; | |
33 | Dygraph.getContext = function(canvas) { | |
34 | return new Proxy(_origFunc(canvas)); | |
35 | } | |
36 | }; | |
37 | ||
38 | SimpleDrawingTestCase.prototype.tearDown = function() { | |
39 | Dygraph.getContext = _origFunc; | |
40 | }; | |
41 | ||
42 | SimpleDrawingTestCase.prototype.testDrawSimple = function() { | |
43 | var graph = document.getElementById("graph"); | |
44 | var g = new Dygraph(graph, ZERO_TO_FIFTY, {}); | |
45 | } | |
46 | ||
47 | SimpleDrawingTestCase.prototype.testDrawSimpleRangeEquals = function() { | |
48 | var graph = document.getElementById("graph"); | |
49 | var g = new Dygraph(graph, ZERO_TO_FIFTY, {valueRange: [0,50]}); | |
50 | } | |
51 | ||
52 | SimpleDrawingTestCase.prototype.testDrawSimpleRangePlusOne = function() { | |
53 | var opts = { | |
54 | drawXGrid: false, | |
55 | drawYGrid: false, | |
56 | drawXAxis: false, | |
57 | drawYAxis: false, | |
58 | valueRange: [0,51] } | |
59 | ||
60 | var graph = document.getElementById("graph"); | |
61 | var g = new Dygraph(graph, ZERO_TO_FIFTY, opts); | |
62 | var htx = g.hidden_ctx_; | |
63 | ||
64 | CanvasAssertions.assertLineDrawn(htx, [56,300], [475,5.8], { | |
65 | strokeStyle: "#008080", | |
66 | lineWidth: 1 | |
67 | }); | |
68 | } |