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describe('Matrix', function() {
var matrix
describe('initialization', function() {
describe('without a source', function() {
beforeEach(function() {
matrix = new SVG.Matrix
})
it('creates a new matrix with default values', function() {
expect(matrix.a).toBe(1)
expect(matrix.b).toBe(0)
expect(matrix.c).toBe(0)
expect(matrix.d).toBe(1)
expect(matrix.e).toBe(0)
expect(matrix.f).toBe(0)
})
it('parses translation values', function() {
expect(matrix.x).toBe(0)
expect(matrix.y).toBe(0)
})
it('parses skew values', function() {
expect(matrix.skewX).toBe(0)
expect(matrix.skewY).toBe(0)
})
it('parses scale values', function() {
expect(matrix.scaleX).toBe(1)
expect(matrix.scaleY).toBe(1)
})
it('parses rotaton value', function() {
expect(matrix.rotation).toBe(0)
})
})
describe('with an element given', function() {
beforeEach(function() {
matrix = new SVG.Matrix(draw.rect(100, 100).skew(10, 20).translate(50, 50).scale(3, 2))
})
it('parses the current transform matrix form an element', function() {
expect(matrix.a).toBe(1)
expect(matrix.b).toBe(0)
expect(matrix.c).toBe(0)
expect(matrix.d).toBe(1)
expect(matrix.e).toBe(0)
expect(matrix.f).toBe(0)
})
})
})
})
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