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75 lines
1.9 KiB
JavaScript
75 lines
1.9 KiB
JavaScript
// test util functions
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var assert = require('assert');
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var math = require('../../math.js');
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// test select
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assert.ok(math.select(45) instanceof math.type.Selector);
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assert.equal(math.select(3).add(4).subtract(2).done(), 5);
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assert.deepEqual(math.select(math.matrix([[1,2],[3,4]]))
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.set([1,1], 8)
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.multiply(3).done(), math.matrix([[24, 6], [9, 12]]));
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assert.deepEqual(math.select([[1,2],[3,4]])
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.set([1,1], 8)
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.multiply(3).done(), [[24, 6], [9, 12]]);
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assert.deepEqual(math.select().i.multiply(2).add(3).done(), math.complex(3, 2));
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assert.deepEqual(math.select().pi.divide(4).sin().pow(2).format().done(), 0.5);
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// test clone
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var a = 1;
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var b = math.clone(a);
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a = 2;
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assert.strictEqual(b, 1);
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a = 'hello world';
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b = math.clone(a);
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a = 'bye!';
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assert.strictEqual(b, 'hello world');
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a = math.complex(2, 3);
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b = math.clone(a);
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assert.notEqual(a, b);
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a.re = 5;
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assert.strictEqual(a.toString(), '5 + 3i');
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assert.strictEqual(b.toString(), '2 + 3i');
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a = math.unit('5mm');
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b = math.clone(a);
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a.value = 10;
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assert.equal(a.toString(), '10 m');
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assert.equal(b.toString(), '5 mm');
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a = [1,2,[3,4]];
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b = math.clone(a);
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a[2][1] = 5;
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assert.equal(b[2][1], 4);
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a = math.matrix([[1, 2], [3, 4]]);
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b = math.clone(a);
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a.valueOf()[0][0] = 5;
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assert.equal(b.valueOf()[0][0], 1);
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a = math.matrix([1, 2, new math.complex(2, 3), 4]);
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b = math.clone(a);
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a.valueOf()[2].re = 5;
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assert.equal(b.valueOf()[2].re, 2);
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// test format
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assert.equal(math.format(2/7), '0.2857142857');
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assert.equal(math.format([[1,2],[3,4]]), '[[1, 2], [3, 4]]');
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assert.equal(math.format([[1,2/7],['hi', math.complex(2,3)]]),
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'[[1, 0.2857142857], ["hi", 2 + 3i]]');
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assert.equal(math.format('hello, $name!', {name: 'user'}), 'hello, user!');
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assert.equal(math.format('hello, $name.first $name.last!',
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{name: {first: 'first', last: 'last'}}),
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'hello, first last!');
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// TODO: test format extensively
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// TODO: test help
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// TODO: test import
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// TODO: test typeof
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