require 'test/unit' class TestRubyPrimitive < Test::Unit::TestCase def test_not assert_equal false, !true assert_equal true, !false assert_equal true, !nil assert_equal false, !(1+1) assert_equal false, !!nil assert_equal true, !!1 end def test_lvar a = 1 assert_equal 1, a b = 2 assert_equal 1, a a = b = 3 assert_equal 3, a assert_equal 3, b a = b = c = 4 assert_equal 4, a assert_equal 4, b assert_equal 4, c end C = 1 class A Const = 1 class B Const = 2 class C Const = 3 def const Const end end end end (1..2).map { A::B::C::Const } def test_constant assert_equal 1, C assert_equal 1, C assert_equal 1, A::Const assert_equal 2, A::B::Const assert_equal 3, A::B::C::Const assert_equal 3, A::B::C.new.const assert_equal 1, ::TestRubyPrimitive::A::Const A::B::C.send(:remove_const, :Const) assert_equal 2, A::B::C.new.const assert_raise(TypeError) { C::CONST } end class A2 class B2 class C2 C = 7 end end end def test_constant_cache i = 0 while i < 3 r = A2::B2::C2::C i += 1 end assert_equal 7, r end class A3 class B3 C = 99 end end i = 0 while i < 3 r = A3::B3::C # cache class A3::B3 remove_const :C end A3::B3::C = i ** i i += 1 end def test_constant_cache2 assert_equal 4, A3::B3::C end class A4 Const = 7 (1..3).map { $test_ruby_primitive_constant_cache3 = self::Const } end def test_constant_cache3 assert_equal 7, $test_ruby_primitive_constant_cache3 end class A5 Const = 8 (1..3).map { $test_ruby_primitive_constant_cache4 = eval('self')::Const } end def test_constatant_cache4 assert_equal 8, $test_ruby_primitive_constant_cache4 end class A6 Const = 0 def self.foo self::Const end end class B6 < A6 Const = 1 end class C6 < B6 Const = 2 end $test_ruby_primitive_constant_cache5 = [A6.foo, B6.foo, C6.foo] def test_constant_cache5 assert_equal [0, 1, 2], $test_ruby_primitive_constant_cache5 end def test_gvar $test_ruby_primitive_gvar = 7 assert_equal 7, $test_ruby_primitive_gvar assert_equal 7, $test_ruby_primitive_gvar $test_ruby_primitive_gvar = 88 assert_equal 88, $test_ruby_primitive_gvar assert_equal 88, $test_ruby_primitive_gvar assert_equal 7, ($test_ruby_primitive_gvar = 7) assert_equal 7, ($test_ruby_primitive_gvar = 7) end class A7 @@c = 1 def m @@c += 1 end end def test_cvar_from_instance_method assert_equal 2, A7.new.m assert_equal 3, A7.new.m assert_equal 4, A7.new.m end class A8 @@c = 1 class << self def m @@c += 1 end end end def test_cvar_from_singleton_method assert_equal 2, A8.m assert_equal 3, A8.m assert_equal 4, A8.m end class A9 @@c = 1 def self.m @@c += 1 end end def test_cvar_from_singleton_method2 assert_equal 2, A9.m assert_equal 3, A9.m assert_equal 4, A9.m end class A10 attr_accessor :a end def test_opassign i = 0 i += 1 assert_equal 1, i @iv = 2 @iv += 2 assert_equal 4, @iv @@cv ||= 1 assert_equal 1, @@cv @@cv &&= 2 assert_equal 2, @@cv @@cv ||= 99 assert_equal 2, @@cv $gv = 3 $gv += 4 assert_equal 7, $gv obj = A10.new obj.a = 9 obj.a &&= 7 assert_equal 7, obj.a obj.a = nil obj.a ||= 2 assert_equal 2, obj.a obj.a &&= 3 assert_equal 3, obj.a a = [] a[0] ||= 3 assert_equal 3, a[0] a[0] &&= 7 assert_equal 7, a[0] a[0] ||= 3 assert_equal 7, a[0] a = [0, 1, nil, 3, 4] a[*[2]] ||= :foo assert_equal [0, 1, :foo, 3, 4], a a[*[1,3]] &&= [:bar] assert_equal [0, :bar, 4], a end def test_opassign_and_or a = 1 a ||= 2 assert_equal 1, a a = nil a ||= 2 assert_equal 2, a a = 1 a &&= 3 assert_equal 3, a a = nil a &&= 4 assert_nil a h = {} h[0] ||= 1 assert_equal 1, h[0] h = {} h[0] &&= 1 assert_nil h[0] h = {0 => 7} h[0] ||= 1 assert_equal 7, h[0] h = {0 => 7} h[0] &&= 1 assert_equal 1, h[0] end def test_backref /a(b)(c)d/ =~ 'xyzabcdefgabcdefg' assert_equal 'b', $1 assert_equal 'c', $2 assert_nil $3 assert_instance_of MatchData, $~ assert_equal 'abcd', $& assert_equal 'xyz', $` assert_equal 'efgabcdefg', $' assert_equal 'c', $+ /(?!)/ =~ 'xyzabcdefgabcdefg' assert_nil $1 assert_nil $2 assert_nil $3 assert_nil $~ assert_nil $& assert_nil $` assert_nil $' assert_nil $+ end def test_fact assert_equal 306057512216440636035370461297268629388588804173576999416776741259476533176716867465515291422477573349939147888701726368864263907759003154226842927906974559841225476930271954604008012215776252176854255965356903506788725264321896264299365204576448830388909753943489625436053225980776521270822437639449120128678675368305712293681943649956460498166450227716500185176546469340112226034729724066333258583506870150169794168850353752137554910289126407157154830282284937952636580145235233156936482233436799254594095276820608062232812387383880817049600000000000000000000000000000000000000000000000000000000000000000000000000, fact(300) end def fact(n) if n > 1 n * fact(n - 1) else 1 end end def test_mul assert_equal 0, 2 * 0 assert_equal 0, 0 * 2 assert_equal 4, 2 * 2 end class MyNum def /(a) a * 100 end end def test_div assert_equal 1, 3 / 2 assert_equal 1.5, 3.0 / 2.0 assert_equal 300, MyNum.new / 3 end class MyArr def length 'string' end end def test_length assert_equal 0, [].length assert_equal 1, [1].length assert_equal 2, [1,2].length assert_equal 0, {}.length assert_equal 1, {1=>1}.length assert_equal 2, {1=>1, 2=>2}.length assert_equal 'string', MyArr.new.length end class MyNum2 def %(a) a * 100 end end def test_mod assert_equal 2, 5 % 3 assert_equal 1.0, 3.0 % 2.0 assert_equal 300, MyNum2.new % 3 end class MyObj def [](*args) args end def []=(*args) args end end def test_aref a = [0,1] assert_equal 0, a[0] assert_equal 1, a[1] assert_nil a[2] h = {0=>0, 1=>1} obj = MyObj.new assert_equal 0, h[0] assert_equal 1, h[1] assert_nil h[2] assert_equal [0], obj[0] assert_equal [0,1], obj[0,1] assert_equal [0,1,2], obj[0,1,2] end def test_aset obj = MyObj.new assert_equal 7, (obj[0] = 7) assert_equal 7, (obj[0,1] = 7) assert_equal 7, (obj[0,1,2] = 7) end class MyObj2 def attr=(*args) args end end def test_attr_setter obj = MyObj2.new assert_equal 1, (obj.attr = 1) end def test_list_expand a = [] assert_equal [0], [0, *a] a = [1] assert_equal [0,1], [0, *a] a = [1,2] assert_equal [0,1,2], [0, *a] a = [1,2,3] assert_equal [0,1,2,3], [0, *a] #a = [1,2,3] #assert_equal [0,1,2,3,4], [0, *a, 4] end end