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32 lines
1.5 KiB
JavaScript
32 lines
1.5 KiB
JavaScript
// test setIntersect
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import assert from 'assert'
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import math from '../../../../src/bundleAny'
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describe('setIntersect', function () {
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it('should return the intersection of two sets', function () {
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assert.deepStrictEqual(math.setIntersect([1, 2, 3], [3, 4]), [3])
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assert.deepStrictEqual(math.setIntersect([1, 2], [3, 4]), [])
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assert.deepStrictEqual(math.setIntersect(['a', 'b', 'c'], ['c', 'd']), ['c'])
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assert.deepStrictEqual(math.setIntersect([1, math.complex(2, 2), math.complex(3, 3)],
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[math.complex(3, 3), 1]), [math.complex(3, 3), 1])
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assert.deepStrictEqual(math.setIntersect([], [3, 4]), [])
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assert.deepStrictEqual(math.setIntersect([], []), [])
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})
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it('should return the intersection of two multisets', function () {
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assert.deepStrictEqual(math.setIntersect([1, 1, 2, 3, 4, 4], [1, 2, 3, 4, 4, 4]), [1, 2, 3, 4, 4])
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assert.deepStrictEqual(math.setIntersect([1, 2, 1, 3, 4, 4], [1, 2, 4, 3, 4, 4]), [1, 2, 3, 4, 4])
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})
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it('should return the same type of output as the inputs', function () {
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assert.strictEqual(math.typeOf(math.setIntersect([1, 2, 3], [3, 4, 5])), 'Array')
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assert.strictEqual(math.typeOf(math.setIntersect(math.matrix([1, 2, 3]), math.matrix([3, 4, 5]))), 'Matrix')
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})
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it('should throw an error in case of invalid number of arguments', function () {
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assert.throws(function () { math.setIntersect() }, /TypeError: Too few arguments/)
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assert.throws(function () { math.setIntersect([], [], []) }, /TypeError: Too many arguments/)
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})
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})
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