diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/01-basic.js | 260 |
1 files changed, 130 insertions, 130 deletions
diff --git a/test/01-basic.js b/test/01-basic.js index 8edb5f4..cb5c194 100644 --- a/test/01-basic.js +++ b/test/01-basic.js @@ -14,18 +14,18 @@ describe('basic', function(){ describe('#validate_base()', function(){ it('validates positive bases', function(done){ assert.equal( basic.validate_base(2), true ) - done() + done() }) it('validates negative bases', function(done){ assert.equal( basic.validate_base(-2), true ) - done() + done() }) it('does not validate abs(base) > 36', function(done){ assert.equal( basic.validate_base(36), true ) assert.equal( basic.validate_base(37), false ) assert.equal( basic.validate_base(-36), true ) assert.equal( basic.validate_base(-37), false ) - done() + done() }) it('does not validate bad bases', function(done){ assert.equal( basic.validate_base(-1), false ) @@ -34,151 +34,151 @@ describe('basic', function(){ assert.equal( basic.validate_base(NaN), false ) assert.equal( basic.validate_base(Infinity), false ) assert.equal( basic.validate_base(-Infinity), false ) - done() + done() }) it('does not validate non-integer bases', function(done){ - assert.equal( basic.validate_base(1.1), false ) - done() - }) + assert.equal( basic.validate_base(1.1), false ) + done() + }) }) describe('#validate_digits()', function(){ it('validates negative numbers', function(done){ assert.equal( basic.validate_digits("-1234567890", 10), true ) assert.equal( basic.validate_digits("-123456789a", 10), false ) - done() + done() }) it('validates base 2', function(done){ assert.equal( basic.validate_digits("1010101", 2), true ) assert.equal( basic.validate_digits("1222222", 2), false ) - done() + done() }) it('validates base 3', function(done){ assert.equal( basic.validate_digits("1201120", 3), true ) assert.equal( basic.validate_digits("1234567", 3), false ) - done() + done() }) it('validates base -2', function(done){ assert.equal( basic.validate_digits("1010101", -2), true ) - done() + done() + }) + it('validates bases up to 36 and -36', function(done){ + for (var i = 2; i <= 36; i++) { + var s = basic.abedecary.substr(0, i).split("").reverse().join("") + assert.equal( basic.validate_digits(s, i), true ) + assert.equal( basic.validate_digits(s, -i), true ) + } + done() + }) + }) + describe('#validate()', function(){ + it('validates number and base', function(done){ + assert.equal( basic.validate_digits("1234567890", 10), true ) + assert.equal( basic.validate_digits("1234567890", -10), true ) + assert.equal( basic.validate_digits("123456789a", 10), false ) + assert.equal( basic.validate_digits("123456789a", -10), false ) + done() + }) + }) + describe('#floor()', function(){ + it('removes the mantissa of negative numbers', function(done){ + assert.equal( basic.floor(2.2), 2 ) + assert.equal( basic.floor(-2.2), -2 ) + done() + }) + }) + describe('#toNumber()', function(){ + it('handles base 2', function(done){ + assert.equal( basic.toNumber("00", 2), 0 ) + assert.equal( basic.toNumber("01", 2), 1 ) + assert.equal( basic.toNumber("10", 2), 2 ) + assert.equal( basic.toNumber("11", 2), 3 ) + done() + }) + it('handles base -2', function(done){ + assert.equal( basic.toNumber("00", -2), 0 ) + assert.equal( basic.toNumber("01", -2), 1 ) + assert.equal( basic.toNumber("10", -2), -2 ) + assert.equal( basic.toNumber("11", -2), -1 ) + assert.equal( basic.toNumber("101101", -2), -35 ) + done() + }) + it('handles base 10', function(done){ + assert.equal( basic.toNumber("100", 10), 100 ) + done() + }) + it('inverts toString', function(done){ + assert.equal( basic.toNumber(basic.toString(100, 10), 10), 100 ) + assert.equal( basic.toNumber(basic.toString(100, 3), 3), 100 ) + assert.equal( basic.toNumber(basic.toString(100, 2), 2), 100 ) + assert.equal( basic.toNumber(basic.toString(100, -2), -2), 100 ) + assert.equal( basic.toNumber(basic.toString(100, -3), -3), 100 ) + assert.equal( basic.toNumber(basic.toString(100, -10), -10), 100 ) + done() + }) + }) + describe('#toString()', function(){ + it('handles base 2', function(done){ + assert.equal( basic.toString(0, 2), "0" ) + assert.equal( basic.toString(1, 2), "1" ) + assert.equal( basic.toString(2, 2), "10" ) + assert.equal( basic.toString(3, 2), "11" ) + assert.equal( basic.toString(4, 2), "100" ) + assert.equal( basic.toString(5, 2), "101" ) + assert.equal( basic.toString(6, 2), "110" ) + done() + }) + it('handles base 3', function(done){ + assert.equal( basic.toString(0, 3), "0" ) + assert.equal( basic.toString(1, 3), "1" ) + assert.equal( basic.toString(-1, 3), "-1" ) + assert.equal( basic.toString(2, 3), "2" ) + assert.equal( basic.toString(3, 3), "10" ) + assert.equal( basic.toString(4, 3), "11" ) + assert.equal( basic.toString(5, 3), "12" ) + assert.equal( basic.toString(6, 3), "20" ) + assert.equal( basic.toString(9, 3), "100" ) + assert.equal( basic.toString(26, 3), "222" ) + assert.equal( basic.toString(27, 3), "1000" ) + assert.equal( basic.toString(28, 3), "1001" ) + done() + }) + it('handles base 10', function(done){ + assert.equal( basic.toString(1, 10), "1" ) + assert.equal( basic.toString(2, 10), "2" ) + assert.equal( basic.toString(3, 10), "3" ) + assert.equal( basic.toString(9, 10), "9" ) + assert.equal( basic.toString(10, 10), "10" ) + assert.equal( basic.toString(19, 10), "19" ) + assert.equal( basic.toString(20, 10), "20" ) + assert.equal( basic.toString(-20, 10), "-20" ) + done() + }) + it('handles base -2', function(done){ + assert.equal( basic.toString(0, -2), "0" ) + assert.equal( basic.toString(1, -2), "1" ) + assert.equal( basic.toString(2, -2), "110" ) + assert.equal( basic.toString(3, -2), "111" ) + assert.equal( basic.toString(-1, -2), "11" ) + assert.equal( basic.toString(-2, -2), "10" ) + assert.equal( basic.toString(-3, -2), "1101" ) + assert.equal( basic.toString(-4, -2), "1100" ) + done() + }) + it('handles base -3', function(done){ + assert.equal( basic.toString(119, -3), "22102" ) + done() + }) + it('inverts toNumber', function(done){ + for (var i = 2; i <= 36; i++) { + var s = basic.abedecary.substr(0, i) + .split("") + .reverse() + .join("") + .substr(0, 9) // cutoff here, otherwise we get rounding error + assert.equal( basic.toString(basic.toNumber(s, i), i), s ) + assert.equal( basic.toString(basic.toNumber(s, -i), -i), s ) + } + done() }) - it('validates bases up to 36 and -36', function(done){ - for (var i = 2; i <= 36; i++) { - var s = basic.abedecary.substr(0, i).split("").reverse().join("") - assert.equal( basic.validate_digits(s, i), true ) - assert.equal( basic.validate_digits(s, -i), true ) - } - done() - }) }) - describe('#validate()', function(){ - it('validates number and base', function(done){ - assert.equal( basic.validate_digits("1234567890", 10), true ) - assert.equal( basic.validate_digits("1234567890", -10), true ) - assert.equal( basic.validate_digits("123456789a", 10), false ) - assert.equal( basic.validate_digits("123456789a", -10), false ) - done() - }) - }) - describe('#floor()', function(){ - it('removes the mantissa of negative numbers', function(done){ - assert.equal( basic.floor(2.2), 2 ) - assert.equal( basic.floor(-2.2), -2 ) - done() - }) - }) - describe('#toNumber()', function(){ - it('handles base 2', function(done){ - assert.equal( basic.toNumber("00", 2), 0 ) - assert.equal( basic.toNumber("01", 2), 1 ) - assert.equal( basic.toNumber("10", 2), 2 ) - assert.equal( basic.toNumber("11", 2), 3 ) - done() - }) - it('handles base -2', function(done){ - assert.equal( basic.toNumber("00", -2), 0 ) - assert.equal( basic.toNumber("01", -2), 1 ) - assert.equal( basic.toNumber("10", -2), -2 ) - assert.equal( basic.toNumber("11", -2), -1 ) - assert.equal( basic.toNumber("101101", -2), -35 ) - done() - }) - it('handles base 10', function(done){ - assert.equal( basic.toNumber("100", 10), 100 ) - done() - }) - it('inverts toString', function(done){ - assert.equal( basic.toNumber(basic.toString(100, 10), 10), 100 ) - assert.equal( basic.toNumber(basic.toString(100, 3), 3), 100 ) - assert.equal( basic.toNumber(basic.toString(100, 2), 2), 100 ) - assert.equal( basic.toNumber(basic.toString(100, -2), -2), 100 ) - assert.equal( basic.toNumber(basic.toString(100, -3), -3), 100 ) - assert.equal( basic.toNumber(basic.toString(100, -10), -10), 100 ) - done() - }) - }) - describe('#toString()', function(){ - it('handles base 2', function(done){ - assert.equal( basic.toString(0, 2), "0" ) - assert.equal( basic.toString(1, 2), "1" ) - assert.equal( basic.toString(2, 2), "10" ) - assert.equal( basic.toString(3, 2), "11" ) - assert.equal( basic.toString(4, 2), "100" ) - assert.equal( basic.toString(5, 2), "101" ) - assert.equal( basic.toString(6, 2), "110" ) - done() - }) - it('handles base 3', function(done){ - assert.equal( basic.toString(0, 3), "0" ) - assert.equal( basic.toString(1, 3), "1" ) - assert.equal( basic.toString(-1, 3), "-1" ) - assert.equal( basic.toString(2, 3), "2" ) - assert.equal( basic.toString(3, 3), "10" ) - assert.equal( basic.toString(4, 3), "11" ) - assert.equal( basic.toString(5, 3), "12" ) - assert.equal( basic.toString(6, 3), "20" ) - assert.equal( basic.toString(9, 3), "100" ) - assert.equal( basic.toString(26, 3), "222" ) - assert.equal( basic.toString(27, 3), "1000" ) - assert.equal( basic.toString(28, 3), "1001" ) - done() - }) - it('handles base 10', function(done){ - assert.equal( basic.toString(1, 10), "1" ) - assert.equal( basic.toString(2, 10), "2" ) - assert.equal( basic.toString(3, 10), "3" ) - assert.equal( basic.toString(9, 10), "9" ) - assert.equal( basic.toString(10, 10), "10" ) - assert.equal( basic.toString(19, 10), "19" ) - assert.equal( basic.toString(20, 10), "20" ) - assert.equal( basic.toString(-20, 10), "-20" ) - done() - }) - it('handles base -2', function(done){ - assert.equal( basic.toString(0, -2), "0" ) - assert.equal( basic.toString(1, -2), "1" ) - assert.equal( basic.toString(2, -2), "110" ) - assert.equal( basic.toString(3, -2), "111" ) - assert.equal( basic.toString(-1, -2), "11" ) - assert.equal( basic.toString(-2, -2), "10" ) - assert.equal( basic.toString(-3, -2), "1101" ) - assert.equal( basic.toString(-4, -2), "1100" ) - done() - }) - it('handles base -3', function(done){ - assert.equal( basic.toString(119, -3), "22102" ) - done() - }) - it('inverts toNumber', function(done){ - for (var i = 2; i <= 36; i++) { - var s = basic.abedecary.substr(0, i) - .split("") - .reverse() - .join("") - .substr(0, 9) // cutoff here, otherwise we get rounding error - assert.equal( basic.toString(basic.toNumber(s, i), i), s ) - assert.equal( basic.toString(basic.toNumber(s, -i), -i), s ) - } - done() - }) - }) }) |