Add versions of isPointIn*() that take a Path parameter.

LayoutTests/fast/canvas/script-tests/canvas-isPointInStroke-with-path.js

Index: LayoutTests/fast/canvas/script-tests/canvas-isPointInStroke-with-path.js
diff --git a/LayoutTests/fast/canvas/script-tests/canvas-isPointInStroke-with-path.js b/LayoutTests/fast/canvas/script-tests/canvas-isPointInStroke-with-path.js
new file mode 100644
index 0000000000000000000000000000000000000000..162749b323d13bedf9b3c956c2052855ed6b9039
--- /dev/null
+++ b/LayoutTests/fast/canvas/script-tests/canvas-isPointInStroke-with-path.js
@@ -0,0 +1,107 @@
+description("Test the behavior of isPointInStroke in Canvas with path object");
+var ctx = document.createElement('canvas').getContext('2d');
+
+document.body.appendChild(ctx.canvas);
+
+ctx.strokeStyle = '#0ff';
+
+// Create new path.
+var path = new Path();
+path.rect(20,20,100,100);
+
+debug("Initial behavior: lineWidth = 1.0")
+shouldBeTrue("ctx.isPointInStroke(path,20,20)");
+shouldBeTrue("ctx.isPointInStroke(path,120,20)");
+shouldBeTrue("ctx.isPointInStroke(path,20,120)");
+shouldBeTrue("ctx.isPointInStroke(path,120,120)");
+shouldBeTrue("ctx.isPointInStroke(path,70,20)");
+shouldBeTrue("ctx.isPointInStroke(path,20,70)");
+shouldBeTrue("ctx.isPointInStroke(path,120,70)");
+shouldBeTrue("ctx.isPointInStroke(path,70,120)");
+shouldBeFalse("ctx.isPointInStroke(path,22,22)");
+shouldBeFalse("ctx.isPointInStroke(path,118,22)");
+shouldBeFalse("ctx.isPointInStroke(path,22,118)");
+shouldBeFalse("ctx.isPointInStroke(path,118,118)");
+shouldBeFalse("ctx.isPointInStroke(path,70,18)");
+shouldBeFalse("ctx.isPointInStroke(path,122,70)");
+shouldBeFalse("ctx.isPointInStroke(path,70,122)");
+shouldBeFalse("ctx.isPointInStroke(path,18,70)");
+shouldBeFalse("ctx.isPointInStroke(path,NaN,122)");
+shouldBeFalse("ctx.isPointInStroke(path,18,NaN)");
+debug("");
+
+debug("Check null and invalid type");
+shouldThrow("ctx.isPointInStroke(null,70,20)");
+shouldThrow("ctx.isPointInStroke([],20,70)");
+shouldThrow("ctx.isPointInStroke({},120,70)");
+debug("");
+
+debug("Set lineWidth = 10.0");
+ctx.lineWidth = 10;
+shouldBeTrue("ctx.isPointInStroke(path,22,22)");
+shouldBeTrue("ctx.isPointInStroke(path,118,22)");
+shouldBeTrue("ctx.isPointInStroke(path,22,118)");
+shouldBeTrue("ctx.isPointInStroke(path,118,118)");
+shouldBeTrue("ctx.isPointInStroke(path,70,18)");
+shouldBeTrue("ctx.isPointInStroke(path,122,70)");
+shouldBeTrue("ctx.isPointInStroke(path,70,122)");
+shouldBeTrue("ctx.isPointInStroke(path,18,70)");
+shouldBeFalse("ctx.isPointInStroke(path,26,70)");
+shouldBeFalse("ctx.isPointInStroke(path,70,26)");
+shouldBeFalse("ctx.isPointInStroke(path,70,114)");
+shouldBeFalse("ctx.isPointInStroke(path,114,70)");
+debug("");
+
+debug("Check lineJoin = 'bevel'");
+path = new Path();
+path.moveTo(10,10);
+path.lineTo(110,20);
+path.lineTo(10,30);
+ctx.lineJoin = "bevel";
+shouldBeFalse("ctx.isPointInStroke(path,113,20)");
+debug("");
+
+debug("Check lineJoin = 'miter'");
+ctx.miterLimit = 40.0;
+ctx.lineJoin = "miter";
+shouldBeTrue("ctx.isPointInStroke(path,113,20)");
+debug("");
+
+debug("Check miterLimit = 2.0");
+ctx.miterLimit = 2.0;
+shouldBeFalse("ctx.isPointInStroke(path,113,20)");
+debug("");
+
+debug("Check lineCap = 'butt'");
+path = new Path();
+path.moveTo(10,10);
+path.lineTo(110,10);
+ctx.lineCap = "butt";
+shouldBeFalse("ctx.isPointInStroke(path,112,10)");
+debug("");
+
+debug("Check lineCap = 'round'");
+ctx.lineCap = "round";
+shouldBeTrue("ctx.isPointInStroke(path,112,10)");
+shouldBeFalse("ctx.isPointInStroke(path,117,10)");
+debug("");
+
+debug("Check lineCap = 'square'");
+ctx.lineCap = "square";
+shouldBeTrue("ctx.isPointInStroke(path,112,10)");
+shouldBeFalse("ctx.isPointInStroke(path,117,10)");
+debug("");
+
+debug("Check setLineDash([10,10])");
+ctx.lineCap = "butt";
+ctx.setLineDash([10,10]);
+shouldBeTrue("ctx.isPointInStroke(path,15,10)");
+shouldBeFalse("ctx.isPointInStroke(path,25,10)");
+shouldBeTrue("ctx.isPointInStroke(path,35,10)");
+debug("");
+
+debug("Check dashOffset = 10");
+ctx.lineDashOffset = 10;
+shouldBeFalse("ctx.isPointInStroke(path,15,10)");
+shouldBeTrue("ctx.isPointInStroke(path,25,10)");
+shouldBeFalse("ctx.isPointInStroke(path,35,10)");