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7567fbf080
ex) def m;yield 1, 2; end; m{|v| p v} #=> 1
* parse.y: apply above change for "for" statement.
* test/ruby/test_assignment.rb: ditto
* test/ruby/test_basicinstructions.rb: ditto.
* test/ruby/test_iterator.rb: ditto.
* test/ruby/test_yield.rb: ditto.
* compile.c (iseq_compile_each): fix debug.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12544 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
491 lines
19 KiB
Ruby
491 lines
19 KiB
Ruby
require 'test/unit'
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class TestAssignment < Test::Unit::TestCase
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def test_assign
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a=[]; a[0] ||= "bar";
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assert_equal("bar", a[0])
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h={}; h["foo"] ||= "bar";
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assert_equal("bar", h["foo"])
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aa = 5
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aa ||= 25
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assert_equal(5, aa)
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bb ||= 25
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assert_equal(25, bb)
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cc &&=33
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assert_nil(cc)
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cc = 5
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cc &&=44
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assert_equal(44, cc)
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a = nil; assert_nil(a)
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a = 1; assert_equal(1, a)
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a = []; assert_equal([], a)
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a = [1]; assert_equal([1], a)
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a = [nil]; assert_equal([nil], a)
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a = [[]]; assert_equal([[]], a)
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a = [1,2]; assert_equal([1,2], a)
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a = [*[]]; assert_equal([], a)
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a = [*[1]]; assert_equal([1], a)
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a = [*[1,2]]; assert_equal([1,2], a)
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a = *[]; assert_equal([], a)
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a = *[1]; assert_equal([1], a)
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a = *[nil]; assert_equal([nil], a)
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a = *[[]]; assert_equal([[]], a)
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a = *[1,2]; assert_equal([1,2], a)
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a = *[*[]]; assert_equal([], a)
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a = *[*[1]]; assert_equal([1], a)
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a = *[*[1,2]]; assert_equal([1,2], a)
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*a = nil; assert_equal([nil], a)
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*a = 1; assert_equal([1], a)
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*a = []; assert_equal([], a)
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*a = [1]; assert_equal([1], a)
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*a = [nil]; assert_equal([nil], a)
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*a = [[]]; assert_equal([[]], a)
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*a = [1,2]; assert_equal([1,2], a)
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*a = [*[]]; assert_equal([], a)
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*a = [*[1]]; assert_equal([1], a)
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*a = [*[1,2]]; assert_equal([1,2], a)
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*a = *[]; assert_equal([], a)
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*a = *[1]; assert_equal([1], a)
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*a = *[nil]; assert_equal([nil], a)
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*a = *[[]]; assert_equal([[]], a)
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*a = *[1,2]; assert_equal([1,2], a)
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*a = *[*[]]; assert_equal([], a)
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*a = *[*[1]]; assert_equal([1], a)
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*a = *[*[1,2]]; assert_equal([1,2], a)
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a,b,*c = nil; assert_equal([nil,nil,[]], [a,b,c])
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a,b,*c = 1; assert_equal([1,nil,[]], [a,b,c])
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a,b,*c = []; assert_equal([nil,nil,[]], [a,b,c])
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a,b,*c = [1]; assert_equal([1,nil,[]], [a,b,c])
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a,b,*c = [nil]; assert_equal([nil,nil,[]], [a,b,c])
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a,b,*c = [[]]; assert_equal([[],nil,[]], [a,b,c])
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a,b,*c = [1,2]; assert_equal([1,2,[]], [a,b,c])
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a,b,*c = [*[]]; assert_equal([nil,nil,[]], [a,b,c])
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a,b,*c = [*[1]]; assert_equal([1,nil,[]], [a,b,c])
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a,b,*c = [*[1,2]]; assert_equal([1,2,[]], [a,b,c])
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a,b,*c = *[]; assert_equal([nil,nil,[]], [a,b,c])
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a,b,*c = *[1]; assert_equal([1,nil,[]], [a,b,c])
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a,b,*c = *[nil]; assert_equal([nil,nil,[]], [a,b,c])
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a,b,*c = *[[]]; assert_equal([[],nil,[]], [a,b,c])
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a,b,*c = *[1,2]; assert_equal([1,2,[]], [a,b,c])
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a,b,*c = *[*[]]; assert_equal([nil,nil,[]], [a,b,c])
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a,b,*c = *[*[1]]; assert_equal([1,nil,[]], [a,b,c])
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a,b,*c = *[*[1,2]]; assert_equal([1,2,[]], [a,b,c])
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end
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def test_yield
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def f; yield(nil); end; f {|a| assert_nil(a)}; undef f
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def f; yield(1); end; f {|a| assert_equal(1, a)}; undef f
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def f; yield([]); end; f {|a| assert_equal([], a)}; undef f
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def f; yield([1]); end; f {|a| assert_equal([1], a)}; undef f
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def f; yield([nil]); end; f {|a| assert_equal([nil], a)}; undef f
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def f; yield([[]]); end; f {|a| assert_equal([[]], a)}; undef f
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def f; yield([*[]]); end; f {|a| assert_equal([], a)}; undef f
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def f; yield([*[1]]); end; f {|a| assert_equal([1], a)}; undef f
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def f; yield([*[1,2]]); end; f {|a| assert_equal([1,2], a)}; undef f
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def f; yield(*[1]); end; f {|a| assert_equal(1, a)}; undef f
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def f; yield(*[nil]); end; f {|a| assert_equal(nil, a)}; undef f
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def f; yield(*[[]]); end; f {|a| assert_equal([], a)}; undef f
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def f; yield(*[*[1]]); end; f {|a| assert_equal(1, a)}; undef f
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def f; yield; end; f {|*a| assert_equal([], a)}; undef f
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def f; yield(nil); end; f {|*a| assert_equal([nil], a)}; undef f
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def f; yield(1); end; f {|*a| assert_equal([1], a)}; undef f
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def f; yield([]); end; f {|*a| assert_equal([[]], a)}; undef f
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def f; yield([1]); end; f {|*a| assert_equal([[1]], a)}; undef f
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def f; yield([nil]); end; f {|*a| assert_equal([[nil]], a)}; undef f
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def f; yield([[]]); end; f {|*a| assert_equal([[[]]], a)}; undef f
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def f; yield([1,2]); end; f {|*a| assert_equal([[1,2]], a)}; undef f
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def f; yield([*[]]); end; f {|*a| assert_equal([[]], a)}; undef f
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def f; yield([*[1]]); end; f {|*a| assert_equal([[1]], a)}; undef f
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def f; yield([*[1,2]]); end; f {|*a| assert_equal([[1,2]], a)}; undef f
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def f; yield(*[]); end; f {|*a| assert_equal([], a)}; undef f
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def f; yield(*[1]); end; f {|*a| assert_equal([1], a)}; undef f
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def f; yield(*[nil]); end; f {|*a| assert_equal([nil], a)}; undef f
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def f; yield(*[[]]); end; f {|*a| assert_equal([[]], a)}; undef f
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def f; yield(*[*[]]); end; f {|*a| assert_equal([], a)}; undef f
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def f; yield(*[*[1]]); end; f {|*a| assert_equal([1], a)}; undef f
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def f; yield(*[*[1,2]]); end; f {|*a| assert_equal([1,2], a)}; undef f
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def f; yield; end; f {|a,b,*c| assert_equal([nil,nil,[]], [a,b,c])}; undef f
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def f; yield(nil); end; f {|a,b,*c| assert_equal([nil,nil,[]], [a,b,c])}; undef f
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def f; yield(1); end; f {|a,b,*c| assert_equal([1,nil,[]], [a,b,c])}; undef f
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def f; yield([]); end; f {|a,b,*c| assert_equal([nil,nil,[]], [a,b,c])}; undef f
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def f; yield([1]); end; f {|a,b,*c| assert_equal([1,nil,[]], [a,b,c])}; undef f
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def f; yield([nil]); end; f {|a,b,*c| assert_equal([nil,nil,[]], [a,b,c])}; undef f
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def f; yield([[]]); end; f {|a,b,*c| assert_equal([[],nil,[]], [a,b,c])}; undef f
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def f; yield([*[]]); end; f {|a,b,*c| assert_equal([nil,nil,[]], [a,b,c])}; undef f
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def f; yield([*[1]]); end; f {|a,b,*c| assert_equal([1,nil,[]], [a,b,c])}; undef f
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def f; yield([*[1,2]]); end; f {|a,b,*c| assert_equal([1,2,[]], [a,b,c])}; undef f
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def f; yield(*[]); end; f {|a,b,*c| assert_equal([nil,nil,[]], [a,b,c])}; undef f
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def f; yield(*[1]); end; f {|a,b,*c| assert_equal([1,nil,[]], [a,b,c])}; undef f
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def f; yield(*[nil]); end; f {|a,b,*c| assert_equal([nil,nil,[]], [a,b,c])}; undef f
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def f; yield(*[[]]); end; f {|a,b,*c| assert_equal([nil,nil,[]], [a,b,c])}; undef f
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def f; yield(*[*[]]); end; f {|a,b,*c| assert_equal([nil,nil,[]], [a,b,c])}; undef f
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def f; yield(*[*[1]]); end; f {|a,b,*c| assert_equal([1,nil,[]], [a,b,c])}; undef f
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def f; yield(*[*[1,2]]); end; f {|a,b,*c| assert_equal([1,2,[]], [a,b,c])}; undef f
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end
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def test_return
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def r; return; end; a = r(); assert_nil(a); undef r
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def r; return nil; end; a = r(); assert_nil(a); undef r
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def r; return 1; end; a = r(); assert_equal(1, a); undef r
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def r; return []; end; a = r(); assert_equal([], a); undef r
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def r; return [1]; end; a = r(); assert_equal([1], a); undef r
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def r; return [nil]; end; a = r(); assert_equal([nil], a); undef r
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def r; return [[]]; end; a = r(); assert_equal([[]], a); undef r
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def r; return [*[]]; end; a = r(); assert_equal([], a); undef r
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def r; return [*[1]]; end; a = r(); assert_equal([1], a); undef r
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def r; return [*[1,2]]; end; a = r(); assert_equal([1,2], a); undef r
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def r; return *[]; end; a = r(); assert_equal([], a); undef r
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def r; return *[1]; end; a = r(); assert_equal([1], a); undef r
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def r; return *[nil]; end; a = r(); assert_equal([nil], a); undef r
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def r; return *[[]]; end; a = r(); assert_equal([[]], a); undef r
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def r; return *[*[]]; end; a = r(); assert_equal([], a); undef r
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def r; return *[*[1]]; end; a = r(); assert_equal([1], a); undef r
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def r; return *[*[1,2]]; end; a = r(); assert_equal([1,2], a); undef r
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def r; return *[[]]; end; a = *r(); assert_equal([[]], a); undef r
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def r; return *[*[1,2]]; end; a = *r(); assert_equal([1,2], a); undef r
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def r; return; end; *a = r(); assert_equal([nil], a); undef r
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def r; return nil; end; *a = r(); assert_equal([nil], a); undef r
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def r; return 1; end; *a = r(); assert_equal([1], a); undef r
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def r; return []; end; *a = r(); assert_equal([], a); undef r
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def r; return [1]; end; *a = r(); assert_equal([1], a); undef r
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def r; return [nil]; end; *a = r(); assert_equal([nil], a); undef r
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def r; return [[]]; end; *a = r(); assert_equal([[]], a); undef r
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def r; return [1,2]; end; *a = r(); assert_equal([1,2], a); undef r
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def r; return [*[]]; end; *a = r(); assert_equal([], a); undef r
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def r; return [*[1]]; end; *a = r(); assert_equal([1], a); undef r
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def r; return [*[1,2]]; end; *a = r(); assert_equal([1,2], a); undef r
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def r; return *[]; end; *a = r(); assert_equal([], a); undef r
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def r; return *[1]; end; *a = r(); assert_equal([1], a); undef r
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def r; return *[nil]; end; *a = r(); assert_equal([nil], a); undef r
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def r; return *[[]]; end; *a = r(); assert_equal([[]], a); undef r
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def r; return *[1,2]; end; *a = r(); assert_equal([1,2], a); undef r
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def r; return *[*[]]; end; *a = r(); assert_equal([], a); undef r
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def r; return *[*[1]]; end; *a = r(); assert_equal([1], a); undef r
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def r; return *[*[1,2]]; end; *a = r(); assert_equal([1,2], a); undef r
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def r; return *[[]]; end; *a = *r(); assert_equal([[]], a); undef r
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def r; return *[1,2]; end; *a = *r(); assert_equal([1,2], a); undef r
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def r; return *[*[1,2]]; end; *a = *r(); assert_equal([1,2], a); undef r
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def r; return; end; a,b,*c = r(); assert_equal([nil,nil,[]], [a,b,c]); undef r
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def r; return nil; end; a,b,*c = r(); assert_equal([nil,nil,[]], [a,b,c]); undef r
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def r; return 1; end; a,b,*c = r(); assert_equal([1,nil,[]], [a,b,c]); undef r
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def r; return []; end; a,b,*c = r(); assert_equal([nil,nil,[]], [a,b,c]); undef r
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def r; return [1]; end; a,b,*c = r(); assert_equal([1,nil,[]], [a,b,c]); undef r
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def r; return [nil]; end; a,b,*c = r(); assert_equal([nil,nil,[]], [a,b,c]); undef r
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def r; return [[]]; end; a,b,*c = r(); assert_equal([[],nil,[]], [a,b,c]); undef r
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def r; return [1,2]; end; a,b,*c = r(); assert_equal([1,2,[]], [a,b,c]); undef r
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def r; return [*[]]; end; a,b,*c = r(); assert_equal([nil,nil,[]], [a,b,c]); undef r
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def r; return [*[1]]; end; a,b,*c = r(); assert_equal([1,nil,[]], [a,b,c]); undef r
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def r; return [*[1,2]]; end; a,b,*c = r(); assert_equal([1,2,[]], [a,b,c]); undef r
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def r; return *[]; end; a,b,*c = r(); assert_equal([nil,nil,[]], [a,b,c]); undef r
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def r; return *[1]; end; a,b,*c = r(); assert_equal([1,nil,[]], [a,b,c]); undef r
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def r; return *[nil]; end; a,b,*c = r(); assert_equal([nil,nil,[]], [a,b,c]); undef r
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def r; return *[[]]; end; a,b,*c = r(); assert_equal([[],nil,[]], [a,b,c]); undef r
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def r; return *[1,2]; end; a,b,*c = r(); assert_equal([1,2,[]], [a,b,c]); undef r
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def r; return *[*[]]; end; a,b,*c = r(); assert_equal([nil,nil,[]], [a,b,c]); undef r
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def r; return *[*[1]]; end; a,b,*c = r(); assert_equal([1,nil,[]], [a,b,c]); undef r
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def r; return *[*[1,2]]; end; a,b,*c = r(); assert_equal([1,2,[]], [a,b,c]); undef r
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def r; return 1, *[]; end; a,b = r(); assert_equal([1,nil], [a,b]); undef r
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def r; return 1,2,*[1]; end; a,b = r(); assert_equal([1,2], [a,b]); undef r
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def r; return 1,2,3,*[1,2]; end; a,b = r(); assert_equal([1,2], [a,b]); undef r
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end
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def test_lambda
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f = lambda {|r,| assert_equal([], r)}
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f.call([], *[])
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f = lambda {|r,*l| assert_equal([], r); assert_equal([1], l)}
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f.call([], *[1])
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f = lambda{|x| x}
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assert_equal(42, f.call(42))
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assert_equal([42], f.call([42]))
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assert_equal([[42]], f.call([[42]]))
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assert_equal([42,55], f.call([42,55]))
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f = lambda{|x,| x}
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assert_equal(42, f.call(42))
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assert_equal([42], f.call([42]))
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assert_equal([[42]], f.call([[42]]))
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assert_equal([42,55], f.call([42,55]))
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f = lambda{|*x| x}
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assert_equal([42], f.call(42))
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assert_equal([[42]], f.call([42]))
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assert_equal([[[42]]], f.call([[42]]))
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assert_equal([[42,55]], f.call([42,55]))
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assert_equal([42,55], f.call(42,55))
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end
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def test_multi
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a,=*[1]
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assert_equal(1, a)
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a,=*[[1]]
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assert_equal([1], a)
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a,=*[[[1]]]
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assert_equal([[1]], a)
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x, (y, z) = 1, 2, 3
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assert_equal([1,2,nil], [x,y,z])
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x, (y, z) = 1, [2,3]
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assert_equal([1,2,3], [x,y,z])
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x, (y, z) = 1, [2]
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assert_equal([1,2,nil], [x,y,z])
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end
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def test_break
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a = loop do break; end; assert_nil(a)
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a = loop do break nil; end; assert_nil(a)
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a = loop do break 1; end; assert_equal(1, a)
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a = loop do break []; end; assert_equal([], a)
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a = loop do break [1]; end; assert_equal([1], a)
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a = loop do break [nil]; end; assert_equal([nil], a)
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a = loop do break [[]]; end; assert_equal([[]], a)
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a = loop do break [*[]]; end; assert_equal([], a)
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a = loop do break [*[1]]; end; assert_equal([1], a)
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a = loop do break [*[1,2]]; end; assert_equal([1,2], a)
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a = loop do break *[]; end; assert_equal([], a)
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a = loop do break *[1]; end; assert_equal([1], a)
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a = loop do break *[nil]; end; assert_equal([nil], a)
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a = loop do break *[[]]; end; assert_equal([[]], a)
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a = loop do break *[*[]]; end; assert_equal([], a)
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a = loop do break *[*[1]]; end; assert_equal([1], a)
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a = loop do break *[*[1,2]]; end; assert_equal([1,2], a)
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*a = loop do break; end; assert_equal([nil], a)
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*a = loop do break nil; end; assert_equal([nil], a)
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*a = loop do break 1; end; assert_equal([1], a)
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*a = loop do break []; end; assert_equal([], a)
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*a = loop do break [1]; end; assert_equal([1], a)
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*a = loop do break [nil]; end; assert_equal([nil], a)
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*a = loop do break [[]]; end; assert_equal([[]], a)
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*a = loop do break [1,2]; end; assert_equal([1,2], a)
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*a = loop do break [*[]]; end; assert_equal([], a)
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*a = loop do break [*[1]]; end; assert_equal([1], a)
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*a = loop do break [*[1,2]]; end; assert_equal([1,2], a)
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*a = loop do break *[]; end; assert_equal([], a)
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*a = loop do break *[1]; end; assert_equal([1], a)
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*a = loop do break *[nil]; end; assert_equal([nil], a)
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*a = loop do break *[[]]; end; assert_equal([[]], a)
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*a = loop do break *[1,2]; end; assert_equal([1,2], a)
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*a = loop do break *[*[]]; end; assert_equal([], a)
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*a = loop do break *[*[1]]; end; assert_equal([1], a)
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*a = loop do break *[*[1,2]]; end; assert_equal([1,2], a)
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*a = *loop do break *[[]]; end; assert_equal([[]], a)
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*a = *loop do break *[1,2]; end; assert_equal([1,2], a)
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*a = *loop do break *[*[1,2]]; end; assert_equal([1,2], a)
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a,b,*c = loop do break; end; assert_equal([nil,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break nil; end; assert_equal([nil,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break 1; end; assert_equal([1,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break []; end; assert_equal([nil,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break [1]; end; assert_equal([1,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break [nil]; end; assert_equal([nil,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break [[]]; end; assert_equal([[],nil,[]], [a,b,c])
|
|
a,b,*c = loop do break [1,2]; end; assert_equal([1,2,[]], [a,b,c])
|
|
a,b,*c = loop do break [*[]]; end; assert_equal([nil,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break [*[1]]; end; assert_equal([1,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break [*[1,2]]; end; assert_equal([1,2,[]], [a,b,c])
|
|
|
|
a,b,*c = loop do break *[]; end; assert_equal([nil,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break *[1]; end; assert_equal([1,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break *[nil]; end; assert_equal([nil,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break *[[]]; end; assert_equal([[],nil,[]], [a,b,c])
|
|
a,b,*c = loop do break *[1,2]; end; assert_equal([1,2,[]], [a,b,c])
|
|
a,b,*c = loop do break *[*[]]; end; assert_equal([nil,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break *[*[1]]; end; assert_equal([1,nil,[]], [a,b,c])
|
|
a,b,*c = loop do break *[*[1,2]]; end; assert_equal([1,2,[]], [a,b,c])
|
|
end
|
|
|
|
def test_next
|
|
def r(val); a = yield(); assert_equal(val, a); end
|
|
r(nil){next}
|
|
r(nil){next nil}
|
|
r(1){next 1}
|
|
r([]){next []}
|
|
r([1]){next [1]}
|
|
r([nil]){next [nil]}
|
|
r([[]]){next [[]]}
|
|
r([]){next [*[]]}
|
|
r([1]){next [*[1]]}
|
|
r([1,2]){next [*[1,2]]}
|
|
|
|
r([]){next *[]}
|
|
r([1]){next *[1]}
|
|
r([nil]){next *[nil]}
|
|
r([[]]){next *[[]]}
|
|
r([]){next *[*[]]}
|
|
r([1]){next *[*[1]]}
|
|
r([1,2]){next *[*[1,2]]}
|
|
undef r
|
|
|
|
def r(val); *a = yield(); assert_equal(val, a); end
|
|
r([nil]){next}
|
|
r([nil]){next nil}
|
|
r([1]){next 1}
|
|
r([]){next []}
|
|
r([1]){next [1]}
|
|
r([nil]){next [nil]}
|
|
r([[]]){next [[]]}
|
|
r([1,2]){next [1,2]}
|
|
r([]){next [*[]]}
|
|
r([1]){next [*[1]]}
|
|
r([1,2]){next [*[1,2]]}
|
|
undef r
|
|
|
|
def r(val); *a = *yield(); assert_equal(val, a); end
|
|
r([[]]){next *[[]]}
|
|
r([1,2]){next *[1,2]}
|
|
r([1,2]){next *[*[1,2]]}
|
|
undef r
|
|
|
|
def r(val); a,b,*c = yield(); assert_equal(val, [a,b,c]); end
|
|
r([nil,nil,[]]){next}
|
|
r([nil,nil,[]]){next nil}
|
|
r([1,nil,[]]){next 1}
|
|
r([nil,nil,[]]){next []}
|
|
r([1,nil,[]]){next [1]}
|
|
r([nil,nil,[]]){next [nil]}
|
|
r([[],nil,[]]){next [[]]}
|
|
r([1,2,[]]){next [1,2]}
|
|
r([nil,nil,[]]){next [*[]]}
|
|
r([1,nil,[]]){next [*[1]]}
|
|
r([1,2,[]]){next [*[1,2]]}
|
|
undef r
|
|
|
|
def r(val); a,b,*c = *yield(); assert_equal(val, [a,b,c]); end
|
|
r([[],nil,[]]){next *[[]]}
|
|
r([1,2,[]]){next *[1,2]}
|
|
r([1,2,[]]){next *[*[1,2]]}
|
|
undef r
|
|
end
|
|
|
|
def test_massign
|
|
a = nil
|
|
assert(defined?(a))
|
|
assert_nil(a)
|
|
|
|
# multiple asignment
|
|
a, b = 1, 2
|
|
assert_equal 1, a
|
|
assert_equal 2, b
|
|
|
|
a, b, c = 1, 2, 3
|
|
assert_equal 1, a
|
|
assert_equal 2, b
|
|
assert_equal 3, c
|
|
|
|
a = 1
|
|
b = 2
|
|
a, b = b, a
|
|
assert_equal 2, a
|
|
assert_equal 1, b
|
|
|
|
a, = 1, 2
|
|
assert_equal 1, a
|
|
|
|
a, = 1, 2, 3
|
|
assert_equal 1, a
|
|
|
|
a, * = 1, 2, 3
|
|
assert_equal 1, a
|
|
|
|
a, *b = 1, 2, 3
|
|
assert_equal 1, a
|
|
assert_equal [2, 3], b
|
|
|
|
# not supported yet
|
|
#a, *b, c = 1, 2, 3, 4
|
|
#assert_equal 1, a
|
|
#assert_equal [2,3], b
|
|
#assert_equal 4, c
|
|
|
|
a = 1, 2
|
|
assert_equal [1, 2], a
|
|
|
|
a = [1, 2], [3, 4]
|
|
assert_equal [[1,2], [3,4]], a
|
|
|
|
a, (b, c), d = 1, [2, 3], 4
|
|
assert_equal 1, a
|
|
assert_equal 2, b
|
|
assert_equal 3, c
|
|
assert_equal 4, d
|
|
|
|
*a = 1, 2, 3
|
|
assert_equal([1, 2, 3], a)
|
|
|
|
*a = 4
|
|
assert_equal([4], a)
|
|
|
|
*a = nil
|
|
assert_equal([nil], a)
|
|
|
|
a, b = 1
|
|
assert_equal 1, a
|
|
assert_nil b
|
|
|
|
a, b = [1, 2]
|
|
assert_equal 1, a
|
|
assert_equal 2, b
|
|
end
|
|
|
|
def test_nested_massign
|
|
(a, b), c = [[1, 2], 3]; assert_equal [1,2,3], [a,b,c]
|
|
a, (b, c) = [[1, 2], 3]; assert_equal [[1,2], 3, nil], [a,b,c]
|
|
a, (b, c) = [1, [2, 3]]; assert_equal [1,2,3], [a,b,c]
|
|
(a, b), *c = [[1, 2], 3]; assert_equal [1,2,[3]], [a,b,c]
|
|
(a,b),c,(d,e) = [[1,2],3,[4,5]]; assert_equal [1,2,3,4,5],[a,b,c,d,e]
|
|
(a,*b),c,(d,e,*) = [[1,2],3,[4,5]]; assert_equal [1,[2],3,4,5],[a,b,c,d,e]
|
|
(a,b),c,(d,*e) = [[1,2,3],4,[5,6,7,8]]; assert_equal [1,2,4,5,[6,7,8]],[a,b,c,d,e]
|
|
(a,(b1,b2)),c,(d,e) = [[1,2],3,[4,5]]; assert_equal [1,2,nil,3,4,5],[a,b1,b2,c,d,e]
|
|
(a,(b1,b2)),c,(d,e) = [[1,[21,22]],3,[4,5]]; assert_equal [1,21,22,3,4,5],[a,b1,b2,c,d,e]
|
|
end
|
|
|
|
class MyObj
|
|
def to_ary
|
|
[[1,2],[3,4]]
|
|
end
|
|
end
|
|
|
|
def test_to_ary_splat
|
|
a, b = MyObj.new
|
|
assert_equal [[1,2],[3,4]], [a,b]
|
|
end
|
|
|
|
A = 1
|
|
B = 2
|
|
X, Y = A, B
|
|
class Base
|
|
A = 3
|
|
B = 4
|
|
end
|
|
|
|
def test_const_massign
|
|
assert_equal [1,2], [X,Y]
|
|
a, b = Base::A, Base::B
|
|
assert_equal [3,4], [a,b]
|
|
end
|
|
end
|