+
+ var htx = g.hidden_ctx_;
+
+ // Red has two disconnected line segments
+ assertEquals(2, CanvasAssertions.numLinesDrawn(htx, '#ff0000'));
+ CanvasAssertions.assertLineDrawn(htx, [102, 275], [195, 212], { strokeStyle: '#ff0000' });
+ CanvasAssertions.assertLineDrawn(htx, [381, 87], [475, 25], { strokeStyle: '#ff0000' });
+
+ // Blue's lines are consecutive, however.
+ assertEquals(2, CanvasAssertions.numLinesDrawn(htx, '#0000ff'));
+ CanvasAssertions.assertConsecutiveLinesDrawn(htx,
+ [[56, 244], [149, 181], [242, 118]],
+ { strokeStyle: '#0000ff' });
+};
+
+/* These lines contain awesome powa!
+ var lines = CanvasAssertions.getLinesDrawn(htx, {strokeStyle: "#0000ff"});
+ for (var idx = 0; idx < lines.length; idx++) {
+ var line = lines[idx];
+ console.log(line[0].args, line[1].args, line[0].properties.strokeStyle);
+ }
+*/
+
+MissingPointsTestCase.prototype.testErrorBarsWithMissingPoints = function() {
+ var data = [
+ [1, [2,1]],
+ [2, [3,1]],
+ [3, null],
+ [4, [5,1]],
+ [5, [4,1]],
+ [6, [null,null]],
+ ];
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ data,
+ {
+ errorBars: true,
+ colors: ['red']
+ }
+ );
+
+ var htx = g.hidden_ctx_;
+
+ assertEquals(8, CanvasAssertions.numLinesDrawn(htx, '#ff0000'));
+
+ var p0 = g.toDomCoords(data[0][0], data[0][1][0]);
+ var p1 = g.toDomCoords(data[1][0], data[1][1][0]);
+ var p2 = g.toDomCoords(data[3][0], data[3][1][0]);
+ var p3 = g.toDomCoords(data[4][0], data[4][1][0]);
+ CanvasAssertions.assertConsecutiveLinesDrawn(htx,
+ [p0, p1], { strokeStyle: '#ff0000' });
+ CanvasAssertions.assertConsecutiveLinesDrawn(htx,
+ [p2, p3], { strokeStyle: '#ff0000' });
+};
+
+MissingPointsTestCase.prototype.testErrorBarsWithMissingPointsConnected = function() {
+ var data = [
+ [1, [null,1]],
+ [2, [2,1]],
+ [3, null],
+ [4, [5,1]],
+ [5, [null,null]],
+ [6, [3,1]]
+ ];
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ data,
+ {
+ connectSeparatedPoints: true,
+ drawPoints: true,
+ errorBars: true,
+ colors: ['red']
+ }
+ );
+
+ var htx = g.hidden_ctx_;
+
+ assertEquals(8, CanvasAssertions.numLinesDrawn(htx, '#ff0000'));
+
+ var p1 = g.toDomCoords(data[1][0], data[1][1][0]);
+ var p2 = g.toDomCoords(data[3][0], data[3][1][0]);
+ var p3 = g.toDomCoords(data[5][0], data[5][1][0]);
+ CanvasAssertions.assertConsecutiveLinesDrawn(htx,
+ [p1, p2, p3],
+ { strokeStyle: '#ff0000' });
+};
+MissingPointsTestCase.prototype.testCustomBarsWithMissingPoints = function() {
+ var data = [
+ [1, [1,2,3]],
+ [2, [2,3,4]],
+ [3, null],
+ [4, [4,5,6]],
+ [5, [3,4,5]],
+ [6, [null,null,null]],
+ [7, [2,3,4]],
+ [8, [1,2,3]],
+ [9, NaN],
+ [10, [2,3,4]],
+ [11, [3,4,5]],
+ [12, [NaN,NaN,NaN]]
+ ];
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ data,
+ {
+ customBars: true,
+ colors: ['red']
+ }
+ );
+
+ var htx = g.hidden_ctx_;
+
+ assertEquals(16, CanvasAssertions.numLinesDrawn(htx, '#ff0000'));
+
+ var p0 = g.toDomCoords(data[0][0], data[0][1][1]);
+ var p1 = g.toDomCoords(data[1][0], data[1][1][1]);
+ CanvasAssertions.assertLineDrawn(htx, p0, p1, { strokeStyle: '#ff0000' });
+
+ p0 = g.toDomCoords(data[3][0], data[3][1][1]);
+ p1 = g.toDomCoords(data[4][0], data[4][1][1]);
+ CanvasAssertions.assertLineDrawn(htx, p0, p1, { strokeStyle: '#ff0000' });
+
+ p0 = g.toDomCoords(data[6][0], data[6][1][1]);
+ p1 = g.toDomCoords(data[7][0], data[7][1][1]);
+ CanvasAssertions.assertLineDrawn(htx, p0, p1, { strokeStyle: '#ff0000' });;
+
+ p0 = g.toDomCoords(data[9][0], data[9][1][1]);
+ p1 = g.toDomCoords(data[10][0], data[10][1][1]);
+ CanvasAssertions.assertLineDrawn(htx, p0, p1, { strokeStyle: '#ff0000' });
+};
+
+MissingPointsTestCase.prototype.testCustomBarsWithMissingPointsConnected = function() {
+ var data = [
+ [1, [1,null,1]],
+ [2, [1,2,3]],
+ [3, null],
+ [4, [4,5,6]],
+ [5, [null,null,null]],
+ [6, [2,3,4]]
+ ];
+ var g = new Dygraph(
+ document.getElementById("graph"),
+ data,
+ {
+ connectSeparatedPoints: true,
+ drawPoints: true,
+ customBars: true,
+ colors: ['red']
+ }
+ );
+
+ var htx = g.hidden_ctx_;
+
+ assertEquals(8, CanvasAssertions.numLinesDrawn(htx, '#ff0000'));
+
+ var p1 = g.toDomCoords(data[1][0], data[1][1][1]);
+ var p2 = g.toDomCoords(data[3][0], data[3][1][1]);
+ var p3 = g.toDomCoords(data[5][0], data[5][1][1]);
+ CanvasAssertions.assertConsecutiveLinesDrawn(htx,
+ [p1, p2, p3],
+ { strokeStyle: '#ff0000' });
+};