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35 lines
1.3 KiB
JavaScript
35 lines
1.3 KiB
JavaScript
// test complex construction
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var assert = require('assert'),
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math = require('../../../math.js'),
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complex = math.complex;
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// 0 arguments
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assert.deepEqual(complex(), new math.type.Complex(0, 0));
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assert.ok(complex() instanceof math.type.Complex);
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// 1 argument (only string or Complex accepted)
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assert.deepEqual(complex('2+3i'), new math.type.Complex(2, 3));
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assert.deepEqual(complex('2-3i'), new math.type.Complex(2, -3));
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assert.ok(complex('2+3i') instanceof math.type.Complex);
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var a = complex(2,3);
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var b = complex(a);
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a.re = 4;
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assert.deepEqual(b, new math.type.Complex(2,3));
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assert.throws(function () {complex('no valid complex number')}, SyntaxError);
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assert.throws(function () {complex(123)}, TypeError);
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assert.throws(function () {complex(math.unit('5cm'))}, TypeError);
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assert.throws(function () {complex(math.matrix())}, TypeError);
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// 2 arguments
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assert.deepEqual(complex(2, 3), new math.type.Complex(2, 3));
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assert.deepEqual(complex(2, -3), new math.type.Complex(2, -3));
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assert.deepEqual(complex(-2, 3), new math.type.Complex(-2, 3));
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assert.ok(complex(2, 3) instanceof math.type.Complex);
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assert.throws(function () {complex('string', 2)}, TypeError);
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assert.throws(function () {complex(2, 'string')}, TypeError);
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// more than 2 arguments
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assert.throws(function () {complex(2,3,4)}, SyntaxError);
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