+
+/**
+ * Verify that log scale axis range is properly specified.
+ */
+RangeTestCase.prototype.testLogScaleExcludesZero = function() {
+ var g = new Dygraph("graph", FIVE_TO_ONE_THOUSAND, { logscale : true });
+ assertEquals([10, 1099], g.yAxisRange(0));
+
+ g.updateOptions({ logscale : false });
+ assertEquals([0, 1099], g.yAxisRange(0));
+}
+
+/**
+ * Verify that includeZero range is properly specified.
+ */
+RangeTestCase.prototype.testIncludeZeroIncludesZero = function() {
+ var g = new Dygraph("graph", [[0, 500], [500, 1000]], { includeZero : true });
+ assertEquals([0, 1100], g.yAxisRange(0));
+
+ g.updateOptions({ includeZero : false });
+ assertEquals([450, 1050], g.yAxisRange(0));
+}
+
+
+/**
+ * Verify that includeZero range is properly specified per axis.
+ */
+RangeTestCase.prototype.testIncludeZeroPerAxis = function() {
+ var g = new Dygraph("graph",
+ 'X,A,B\n'+
+ '0,50,50\n'+
+ '50,110,110\n',
+ {
+ drawPoints: true,
+ pointSize:5,
+ series:{
+ A: {
+ axis: 'y',
+ pointSize: 10
+ },
+ B: {
+ axis: 'y2'
+ }
+ },
+ axes: {
+ 'y2': { includeZero: true }
+ }
+ });
+
+
+ assertEquals([44, 116], g.yAxisRange(0));
+ assertEquals([0, 121], g.yAxisRange(1));
+
+ g.updateOptions({
+ axes: {
+ 'y2': { includeZero: false }
+ }
+ });
+
+ assertEquals([44, 116], g.yAxisRange(1));
+}
+
+
+/**
+ * Verify that includeZero range is properly specified per axis with old axis options.
+ */
+RangeTestCase.prototype.testIncludeZeroPerAxisOld = function() {
+ var g = new Dygraph("graph",
+ 'X,A,B\n' +
+ '0,50,50\n' +
+ '50,110,110\n',
+ {
+ drawPoints: true,
+ pointSize: 5,
+
+ A: {
+ pointSize: 10
+ },
+ B: {
+ axis: {}
+ },
+ axes: {
+ 'y': { includeZero: true },
+ 'y2': { includeZero: false }
+ }
+ });
+
+ assertEquals([0, 121], g.yAxisRange(0));
+ assertEquals([44, 116], g.yAxisRange(1));
+
+ g.updateOptions({
+ axes: {
+ 'y': { includeZero: false },
+ 'y2': { includeZero: true }
+ }
+ });
+
+ assertEquals([44, 116], g.yAxisRange(0));
+ assertEquals([0, 121], g.yAxisRange(1));
+}
+
+/**
+ * Verify that very large Y ranges don't break things.
+ */
+RangeTestCase.prototype.testHugeRange = function() {
+ var g = new Dygraph("graph", [[0, -1e120], [1, 1e230]], { includeZero : true });
+ assertEqualsDelta(1, -1e229 / g.yAxisRange(0)[0], 0.001);
+ assertEqualsDelta(1, 1.1e230 / g.yAxisRange(0)[1], 0.001);
+}