# Number Literals

# ---------------

# * Decimal Integer Literals

# * Octal Integer Literals

# * Hexadecimal Integer Literals

# * Scientific Notation Integer Literals

# * Scientific Notation Non-Integer Literals

# * Non-Integer Literals

# * Binary Integer Literals

# Binary Integer Literals

# Binary notation is understood as would be decimal notation.

test "Parser recognises binary numbers", ->

eq 4, 0b100

# Decimal Integer Literals

test "call methods directly on numbers", ->

eq 4, 4.valueOf()

eq '11', 4.toString 3

eq -1, 3 -4

#764: Numbers should be indexable

eq Number::toString, 42['toString']

eq Number::toString, 42.toString

# Non-Integer Literals

# Decimal number literals.

value = .25 + .75

ok value is 1

value = 0.0 + -.25 - -.75 + 0.0

ok value is 0.5

#764: Numbers should be indexable

eq Number::toString, 4['toString']

eq Number::toString, 4.2['toString']

eq Number::toString, .42['toString']

eq Number::toString, (4)['toString']

eq Number::toString, 4.toString

eq Number::toString, 4.2.toString

eq Number::toString, .42.toString

eq Number::toString, (4).toString

test '#1168: leading floating point suppresses newline', ->

eq 1, do ->

1

.5 + 0.5

test "Python-style octal literal notation '0o777'", ->

eq 511, 0o777

eq 1, 0o1

eq 1, 0o00001

eq parseInt('0777', 8), 0o777

eq '777', 0o777.toString 8

eq 4, 0o4.valueOf()

eq Number::toString, 0o777['toString']

eq Number::toString, 0o777.toString

test "#2060: Disallow uppercase radix prefixes and exponential notation", ->

for char in ['b', 'o', 'x', 'e']

program = "0#{char}0"

doesNotThrow -> CoffeeScript.compile program, bare: yes

throws -> CoffeeScript.compile program.toUpperCase(), bare: yes

test "#2224: hex literals with 0b or B or E", ->

eq 176, 0x0b0

eq 177, 0x0B1

eq 225, 0xE1