Index: third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix-readonly-inverse.html |
diff --git a/third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix-readonly-inverse.html b/third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix-readonly-inverse.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f67064263ad54f3fca5a4f55871716365f1cabbe |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix-readonly-inverse.html |
@@ -0,0 +1,79 @@ |
+<!DOCTYPE HTML> |
+<html> |
+<head> |
+<title>Geometry Interfaces: DOMMatrixReadOnly inverse</title> |
+<script src="../../resources/testharness.js"></script> |
+<script src="../../resources/testharnessreport.js"></script> |
+</head> |
+<body> |
+<script> |
+test(function() { |
+ var matrix2d = new DOMMatrixReadOnly([1, 2, 3, 4, 5, 6]); |
+ var inverse = matrix2d.inverse(); |
+ assert_true(inverse.is2D); |
+ assert_equals(inverse.a, -2); |
+ assert_equals(inverse.b, 1); |
+ assert_equals(inverse.c, 1.5); |
+ assert_equals(inverse.d, -0.5); |
+ assert_equals(inverse.e, 1); |
+ assert_equals(inverse.f, -2); |
+}, "DOMMatrix inverse() - invertible - 2D matrix"); |
+ |
+test(function() { |
+ var matrix2d = new DOMMatrixReadOnly([1, 1, 1, 1, 1, 1]); |
+ var inverse =matrix2d.inverse(); |
+ assert_false(inverse.is2D); |
+ assert_equals(inverse.a, NaN); |
+ assert_equals(inverse.b, NaN); |
+ assert_equals(inverse.c, NaN); |
+ assert_equals(inverse.d, NaN); |
+ assert_equals(inverse.e, NaN); |
+ assert_equals(inverse.f, NaN); |
+}, "DOMMatrix inverse() - uninvertible - 2D matrix"); |
+ |
+test(function() { |
+ var matrix3d = new DOMMatrixReadOnly([10, 20, 30, 40, 40, 40, 30, 20, 10, 20, 40, 30, 20, 40, 50, 100]); |
+ var inverse = matrix3d.inverse(); |
+ assert_false(inverse.is2D); |
+ assert_equals(inverse.m11, -1.6); |
+ assert_equals(inverse.m12, 0.05); |
+ assert_equals(inverse.m13, 0.6); |
+ assert_equals(inverse.m14, 0.45); |
+ assert_equals(inverse.m21, 2.05); |
+ assert_equals(inverse.m22, -0.025); |
+ assert_equals(inverse.m23, -0.8); |
+ assert_equals(inverse.m24, -0.575); |
+ assert_equals(inverse.m31, -0.4); |
+ assert_equals(inverse.m32, 0); |
+ assert_equals(inverse.m33, 0.2); |
+ assert_equals(inverse.m34, 0.1); |
+ assert_equals(inverse.m41, -0.3); |
+ assert_equals(inverse.m42, -0); |
+ assert_equals(inverse.m43, 0.1); |
+ assert_equals(inverse.m44, 0.1); |
+}, "DOMMatrix inverse() - invertible - 3D matrix"); |
+ |
+test(function() { |
+ var matrix3d = new DOMMatrixReadOnly([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]); |
+ var inverse = matrix3d.inverse(); |
+ assert_false(inverse.is2D); |
+ assert_equals(inverse.m11, NaN); |
+ assert_equals(inverse.m12, NaN); |
+ assert_equals(inverse.m13, NaN); |
+ assert_equals(inverse.m14, NaN); |
+ assert_equals(inverse.m21, NaN); |
+ assert_equals(inverse.m22, NaN); |
+ assert_equals(inverse.m23, NaN); |
+ assert_equals(inverse.m24, NaN); |
+ assert_equals(inverse.m31, NaN); |
+ assert_equals(inverse.m32, NaN); |
+ assert_equals(inverse.m33, NaN); |
+ assert_equals(inverse.m34, NaN); |
+ assert_equals(inverse.m41, NaN); |
+ assert_equals(inverse.m42, NaN); |
+ assert_equals(inverse.m43, NaN); |
+ assert_equals(inverse.m44, NaN); |
+}, "DOMMatrix inverse() - uninvertible - 3D matrix"); |
+</script> |
+</body> |
+</html> |