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Diffstat (limited to 'testing/web-platform/tests/css/geometry/DOMMatrix-attributes.html')
-rw-r--r-- | testing/web-platform/tests/css/geometry/DOMMatrix-attributes.html | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/geometry/DOMMatrix-attributes.html b/testing/web-platform/tests/css/geometry/DOMMatrix-attributes.html new file mode 100644 index 0000000000..4b3db9d550 --- /dev/null +++ b/testing/web-platform/tests/css/geometry/DOMMatrix-attributes.html @@ -0,0 +1,66 @@ +<!DOCTYPE html> +<title>Geometry Interfaces: DOMMatrix attributes</title> +<link rel="help" href="https://drafts.fxtf.org/geometry/#dommatrix-attributes"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> +const initial = { + a: 1, b: 0, c: 0, d: 1, e: 0, f: 0, + m11: 1, m12: 0, m13: 0, m14: 0, + m21: 0, m22: 1, m23: 0, m24: 0, + m31: 0, m32: 0, m33: 1, m34: 0, + m41: 0, m42: 0, m43: 0, m44: 1, +}; + +// Attributes that always preserve is2D. +["a", "b", "c", "d", "e", "f", + "m11", "m12", "m21", "m22", "m41", "m42" ].forEach(attribute => { + test(() => { + let m = new DOMMatrix(); + assert_true(m.is2D); + assert_equals(m[attribute], initial[attribute]); + m[attribute] = 42; + assert_true(m.is2D); + assert_equals(m[attribute], 42); + }, `DOMMatrix.${attribute}`); +}); + +// Attributes that clear is2D for values other than 0 or -0. +["m13", "m14", "m23", "m24", "m31", "m32", "m34", "m43" ].forEach(attribute => { + test(() => { + let m = new DOMMatrix(); + assert_true(m.is2D); + assert_equals(m[attribute], initial[attribute]); + m[attribute] = 0; + assert_true(m.is2D, "0 preserves is2D"); + assert_equals(m[attribute], 0); + m[attribute] = -0; + assert_true(m.is2D, "-0 preserves is2D"); + assert_equals(m[attribute], -0); + m[attribute] = 42; + assert_false(m.is2D, "a value other than 0 or -0 clears is2D"); + assert_equals(m[attribute], 42); + m[attribute] = 0; + assert_false(m.is2D, "is2D can never be set to true after having been set to false"); + assert_equals(m[attribute], 0); + }, `DOMMatrix.${attribute}`); +}); + +// Attributes that clear is2D for values other than 1. +["m33", "m44" ].forEach(attribute => { + test(() => { + let m = new DOMMatrix(); + assert_true(m.is2D); + assert_equals(m[attribute], initial[attribute]); + m[attribute] = 1; + assert_true(m.is2D, "1 preserves is2D"); + assert_equals(m[attribute], 1); + m[attribute] = 42; + assert_false(m.is2D, "a value other than 1 clears is2D"); + assert_equals(m[attribute], 42); + m[attribute] = 1; + assert_false(m.is2D, "is2D can never be set to true after having been set to false"); + assert_equals(m[attribute], 1); + }, `DOMMatrix.${attribute}`); +}); +</script> |