// test equal
var assert = require('assert'),
    math = require('../../../math.js'),
    complex = math.complex,
    matrix = math.matrix,
    unit = math.unit,
    equal = math.equal;

// parser
assert.equal(math.eval('2 == 3'), false);
assert.equal(math.eval('2 == 2'), true);
assert.equal(math.eval('equal(2, 3)'), false);
assert.equal(math.eval('equal(2, 2)'), true);

// number
assert.equal(equal(2, 3), false);
assert.equal(equal(2, 2), true);
assert.equal(equal(0, 0), true);
assert.equal(equal(-2, 2), false);

// complex
assert.equal(equal(complex(2,3), complex(2,4)), false);
assert.equal(equal(complex(2,3), complex(2,3)), true);
assert.equal(equal(complex(1,3), complex(2,3)), false);
assert.equal(equal(complex(1,3), complex(2,4)), false);
assert.equal(equal(complex(2,0), 2), true);
assert.equal(equal(complex(2,1), 2), false);
assert.equal(equal(2, complex(2, 0)), true);
assert.equal(equal(2, complex(2, 1)), false);
assert.equal(equal(complex(2,0), 3), false);

// unit
assert.equal(equal(unit('100cm'), unit('10inch')), false);
assert.equal(equal(unit('100cm'), unit('1m')), true);
//assert.equal(equal(unit('12inch'), unit('1foot')), true); // round-off error :(
//assert.equal(equal(unit('2.54cm'), unit('1inch')), true); // round-off error :(
assert.throws(function () {equal(unit('100cm'), 22)});

// string
assert.equal(equal('0', 0), true);
assert.equal(equal('Hello', 'hello'), false);
assert.equal(equal('hello', 'hello'), true);

// array, matrix
assert.deepEqual(equal([1,4,5], [3,4,5]), [false, true, true]);
assert.deepEqual(equal([1,4,5], matrix([3,4,5])), matrix([false, true, true]));
assert.throws(function () {equal([1,4,5], [3,4])});