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require 'test/unit'
class TestRubyLiteral < Test::Unit::TestCase
def test_special_const
assert_equal 'true', true.inspect
assert_instance_of TrueClass, true
assert_equal 'false', false.inspect
assert_instance_of FalseClass, false
assert_equal 'nil', nil.inspect
assert_instance_of NilClass, nil
assert_equal ':sym', :sym.inspect
assert_instance_of Symbol, :sym
assert_equal '1234', 1234.inspect
assert_instance_of Fixnum, 1234
assert_equal '1234', 1_2_3_4.inspect
assert_instance_of Fixnum, 1_2_3_4
assert_equal '18', 0x12.inspect
assert_instance_of Fixnum, 0x12
assert_raise(SyntaxError) { eval("0x") }
assert_equal '15', 0o17.inspect
assert_instance_of Fixnum, 0o17
assert_raise(SyntaxError) { eval("0o") }
assert_equal '5', 0b101.inspect
assert_instance_of Fixnum, 0b101
assert_raise(SyntaxError) { eval("0b") }
assert_equal '123456789012345678901234567890', 123456789012345678901234567890.inspect
assert_instance_of Bignum, 123456789012345678901234567890
assert_instance_of Float, 1.3
end
def test_self
assert_equal self, self
assert_instance_of TestRubyLiteral, self
assert_respond_to self, :test_self
end
def test_string
assert_instance_of String, ?a
assert_equal "a", ?a
assert_instance_of String, ?A
assert_equal "A", ?A
assert_instance_of String, ?\n
assert_equal "\n", ?\n
assert_equal " ", ?\ # space
assert_equal '', ''
assert_equal 'string', 'string'
assert_equal 'string string', 'string string'
assert_equal ' ', ' '
assert_equal ' ', " "
assert_equal "\0", "\0"
assert_equal "\1", "\1"
assert_equal "3", "\x33"
assert_equal "\n", "\n"
end
def test_dstring
assert_equal '2', "#{1+1}"
assert_equal '16', "#{2 ** 4}"
s = "string"
assert_equal s, "#{s}"
end
def test_dsymbol
assert_equal :a3c, :"a#{1+2}c"
end
def test_xstring
assert_equal "foo\n", `echo foo`
s = 'foo'
assert_equal "foo\n", `echo #{s}`
end
def test_regexp
assert_instance_of Regexp, //
assert_match //, 'a'
assert_match //, ''
assert_instance_of Regexp, /a/
assert_match /a/, 'a'
assert_no_match /test/, 'tes'
re = /test/
assert_match re, 'test'
str = 'test'
assert_match re, str
assert_match /test/, str
assert_equal 0, (/test/ =~ 'test')
assert_equal 0, (re =~ 'test')
assert_equal 0, (/test/ =~ str)
assert_equal 0, (re =~ str)
assert_equal 0, ('test' =~ /test/)
assert_equal 0, ('test' =~ re)
assert_equal 0, (str =~ /test/)
assert_equal 0, (str =~ re)
end
def test_dregexp
assert_instance_of Regexp, /re#{'ge'}xp/
assert_equal(/regexp/, /re#{'ge'}xp/)
end
def test_array
assert_instance_of Array, []
assert_equal [], []
assert_equal 0, [].size
assert_instance_of Array, [0]
assert_equal [3], [3]
assert_equal 1, [3].size
a = [3]
assert_equal 3, a[0]
assert_instance_of Array, [1,2]
assert_equal [1,2], [1,2]
assert_instance_of Array, [1,2,3,4,5]
assert_equal [1,2,3,4,5], [1,2,3,4,5]
assert_equal 5, [1,2,3,4,5].size
a = [1,2]
assert_equal 1, a[0]
assert_equal 2, a[1]
a = [1 + 2, 3 + 4, 5 + 6]
assert_instance_of Array, a
assert_equal [3, 7, 11], a
assert_equal 7, a[1]
assert_equal 1, ([0][0] += 1)
assert_equal 1, ([2][0] -= 1)
a = [obj = Object.new]
assert_instance_of Array, a
assert_equal 1, a.size
assert_equal obj, a[0]
a = [1,2,3]
a[1] = 5
assert_equal 5, a[1]
end
def test_hash
assert_instance_of Hash, {}
assert_equal({}, {})
assert_instance_of Hash, {1 => 2}
assert_equal({1 => 2}, {1 => 2})
h = {1 => 2}
assert_equal 2, h[1]
h = {"string" => "literal", "goto" => "hell"}
assert_equal h, h
assert_equal 2, h.size
assert_equal h, h
assert_equal "literal", h["string"]
end
def test_range
assert_instance_of Range, (1..2)
assert_equal(1..2, 1..2)
r = 1..2
assert_equal 1, r.begin
assert_equal 2, r.end
assert_equal false, r.exclude_end?
assert_instance_of Range, (1...3)
assert_equal(1...3, 1...3)
r = 1...3
assert_equal 1, r.begin
assert_equal 3, r.end
assert_equal true, r.exclude_end?
r = 1+2 .. 3+4
assert_instance_of Range, r
assert_equal 3, r.begin
assert_equal 7, r.end
assert_equal false, r.exclude_end?
r = 1+2 ... 3+4
assert_instance_of Range, r
assert_equal 3, r.begin
assert_equal 7, r.end
assert_equal true, r.exclude_end?
assert_instance_of Range, 'a'..'c'
r = 'a'..'c'
assert_equal 'a', r.begin
assert_equal 'c', r.end
end
def test__FILE__
assert_instance_of String, __FILE__
assert_equal __FILE__, __FILE__
assert_equal 'test_literal.rb', File.basename(__FILE__)
end
def test__LINE__
assert_instance_of Fixnum, __LINE__
assert_equal __LINE__, __LINE__
end
def test_integer
head = ['', '0x', '0o', '0b', '0d', '-', '+']
chars = ['0', '1', '_', '9', 'f']
head.each {|h|
4.times {|len|
a = [h]
len.times { a = a.product(chars).map {|x| x.join('') } }
a.each {|s|
next if s.empty?
begin
r1 = Integer(s)
rescue ArgumentError
r1 = :err
end
begin
r2 = eval(s)
rescue NameError, SyntaxError
r2 = :err
end
assert_equal(r1, r2, "Integer(#{s.inspect}) != eval(#{s.inspect})")
}
}
}
end
def test_float
head = ['', '-', '+']
chars = ['0', '1', '_', '9', 'f', '.']
head.each {|h|
6.times {|len|
a = [h]
len.times { a = a.product(chars).map {|x| x.join('') } }
a.each {|s|
next if s.empty?
next if /\.\z/ =~ s
next if /\A[-+]?\./ =~ s
next if /\A[-+]?0/ =~ s
begin
r1 = Float(s)
rescue ArgumentError
r1 = :err
end
begin
r2 = eval(s)
rescue NameError, SyntaxError
r2 = :err
end
r2 = :err if Range === r2
assert_equal(r1, r2, "Float(#{s.inspect}) != eval(#{s.inspect})")
}
}
}
end
end
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