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23 * @fileoverview Test valueRange and dateWindow changes.
25 * @author konigsberg@google.com (Robert Konigsberg)
27 var ZERO_TO_FIFTY
= [[ 10, 0 ] , [ 20, 50 ]];
28 var ZERO_TO_FIFTY_STEPS
= function() {
33 for (step
= 0; step
<= 50; step
++) {
34 a
.push([x
+ (step
* .2), y
+ step
]);
38 var FIVE_TO_ONE_THOUSAND
= [
39 [ 1, 10 ], [ 2, 20 ], [ 3, 30 ], [ 4, 40 ] , [ 5, 50 ],
40 [ 6, 60 ], [ 7, 70 ], [ 8, 80 ], [ 9, 90 ] , [ 10, 1000 ]];
42 var RangeTestCase
= TestCase("range-tests");
44 RangeTestCase
.prototype.setUp
= function() {
45 document
.body
.innerHTML
= "<div id='graph'></div>";
48 RangeTestCase
.prototype.createGraph
= function(opts
) {
49 var graph
= document
.getElementById("graph");
50 var g
= new Dygraph(graph
, ZERO_TO_FIFTY_STEPS
, opts
);
52 assertEquals([10, 20], g
.xAxisRange());
53 assertEquals([0, 55], g
.yAxisRange(0));
59 * Test that changes to valueRange and dateWindow are reflected
62 RangeTestCase
.prototype.testRangeSetOperations
= function() {
63 var g
= this.createGraph({valueRange
: [ 0, 55 ]});
65 g
.updateOptions({ dateWindow
: [ 12, 18 ] });
66 assertEquals([12, 18], g
.xAxisRange());
67 assertEquals([0, 55], g
.yAxisRange(0));
69 g
.updateOptions({ valueRange
: [ 10, 40 ] });
70 assertEquals([12, 18], g
.xAxisRange());
71 assertEquals([10, 40], g
.yAxisRange(0));
73 g
.updateOptions({ valueRange
: [10, NaN
] });
74 assertEquals([12, 18], g
.xAxisRange());
75 assertEquals([10, 44.2], g
.yAxisRange(0));
77 g
.updateOptions({ valueRange
: [10, 40] });
78 assertEquals([12, 18], g
.xAxisRange());
79 assertEquals([10, 40], g
.yAxisRange(0));
82 assertEquals([12, 18], g
.xAxisRange());
83 assertEquals([10, 40], g
.yAxisRange(0));
85 g
.updateOptions({valueRange
: null, axes
: {y
:{valueRange
: [15, 20]}}});
86 assertEquals([12, 18], g
.xAxisRange());
87 assertEquals([15, 20], g
.yAxisRange(0));
89 g
.updateOptions({ dateWindow
: null, valueRange
: null, axes
: null });
90 assertEquals([10, 20], g
.xAxisRange());
91 assertEquals([0, 55], g
.yAxisRange(0));
95 * Verify that when zoomed in by mouse operations, an empty call to
96 * updateOptions doesn't change the displayed ranges.
98 RangeTestCase
.prototype.zoom
= function(g
, xRange
, yRange
) {
99 var originalXRange
= g
.xAxisRange();
100 var originalYRange
= g
.yAxisRange(0);
102 DygraphOps
.dispatchMouseDown(g
, xRange
[0], yRange
[0]);
103 DygraphOps
.dispatchMouseMove(g
, xRange
[1], yRange
[0]); // this is really necessary.
104 DygraphOps
.dispatchMouseUp(g
, xRange
[1], yRange
[0]);
106 assertEqualsDelta(xRange
, g
.xAxisRange(), 0.2);
107 // assertEqualsDelta(originalYRange, g.yAxisRange(0), 0.2); // Not
true, it
's something in the middle.
109 var midX = (xRange[1] - xRange[0]) / 2;
110 DygraphOps.dispatchMouseDown(g, midX, yRange[0]);
111 DygraphOps.dispatchMouseMove(g, midX, yRange[1]); // this is really necessary.
112 DygraphOps.dispatchMouseUp(g, midX, yRange[1]);
114 assertEqualsDelta(xRange, g.xAxisRange(), 0.2);
115 assertEqualsDelta(yRange, g.yAxisRange(0), 0.2);
120 * Verify that when zoomed in by mouse operations, an empty call to
121 * updateOptions doesn't change the displayed ranges
.
123 RangeTestCase
.prototype.testEmptyUpdateOptions_doesntUnzoom
= function() {
124 var g
= this.createGraph();
125 this.zoom(g
, [ 11, 18 ], [ 35, 40 ]);
127 assertEqualsDelta([11, 18], g
.xAxisRange(), 0.1);
128 assertEqualsDelta([35, 40], g
.yAxisRange(0), 0.2);
132 assertEqualsDelta([11, 18], g
.xAxisRange(), 0.1);
133 assertEqualsDelta([35, 40], g
.yAxisRange(0), 0.2);
137 * Verify that when zoomed in by mouse operations, a call to
138 * updateOptions({ dateWindow : null, valueRange : null }) fully
141 RangeTestCase
.prototype.testRestoreOriginalRanges_viaUpdateOptions
= function() {
142 var g
= this.createGraph();
143 this.zoom(g
, [ 11, 18 ], [ 35, 40 ]);
145 g
.updateOptions({ dateWindow
: null, valueRange
: null });
147 assertEquals([0, 55], g
.yAxisRange(0));
148 assertEquals([10, 20], g
.xAxisRange());
152 * Verify that log scale axis range is properly specified.
154 RangeTestCase
.prototype.testLogScaleExcludesZero
= function() {
155 var g
= new Dygraph("graph", FIVE_TO_ONE_THOUSAND
, { logscale
: true });
156 assertEquals([10, 1099], g
.yAxisRange(0));
158 g
.updateOptions({ logscale
: false });
159 assertEquals([0, 1099], g
.yAxisRange(0));
163 * Verify that includeZero range is properly specified.
165 RangeTestCase
.prototype.testIncludeZeroIncludesZero
= function() {
166 var g
= new Dygraph("graph", [[0, 500], [500, 1000]], { includeZero
: true });
167 assertEquals([0, 1100], g
.yAxisRange(0));
169 g
.updateOptions({ includeZero
: false });
170 assertEquals([450, 1050], g
.yAxisRange(0));
175 * Verify that includeZero range is properly specified per axis.
177 RangeTestCase
.prototype.testIncludeZeroPerAxis
= function() {
178 var g
= new Dygraph("graph",
195 'y2': { includeZero
: true }
200 assertEquals([44, 116], g
.yAxisRange(0));
201 assertEquals([0, 121], g
.yAxisRange(1));
205 'y2': { includeZero
: false }
209 assertEquals([44, 116], g
.yAxisRange(1));
214 * Verify that includeZero range is properly specified per axis with old axis options.
216 RangeTestCase
.prototype.testIncludeZeroPerAxisOld
= function() {
217 var g
= new Dygraph("graph",
232 'y': { includeZero
: true },
233 'y2': { includeZero
: false }
237 assertEquals([0, 121], g
.yAxisRange(0));
238 assertEquals([44, 116], g
.yAxisRange(1));
242 'y': { includeZero
: false },
243 'y2': { includeZero
: true }
247 assertEquals([44, 116], g
.yAxisRange(0));
248 assertEquals([0, 121], g
.yAxisRange(1));
252 * Verify that very large Y ranges don't break things.
254 RangeTestCase
.prototype.testHugeRange
= function() {
255 var g
= new Dygraph("graph", [[0, -1e120
], [1, 1e230
]], { includeZero
: true });
256 assertEqualsDelta(1, -1e229
/ g
.yAxisRange(0)[0], 0.001);
257 assertEqualsDelta(1, 1.1e230
/ g
.yAxisRange(0)[1], 0.001);