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require 'support/parser_helpers'
describe "Masgn" do
describe "with a single lhs splat" do
it "returns a s(:masgn)" do
parsed('*a = 1, 2').first.should == :masgn
parsed('* = 1, 2').first.should == :masgn
end
it "wraps splat inside a s(:array)" do
parsed('*a = 1, 2')[1].should == [:array, [:splat, [:lasgn, :a]]]
parsed('* = 1, 2')[1].should == [:array, [:splat]]
end
end
describe "with more than 1 lhs item" do
it "returns a s(:masgn) " do
parsed('a, b = 1, 2').first.should == :masgn
end
it "collects all lhs args into an s(:array)" do
parsed('a, b = 1, 2')[1].should == [:array, [:lasgn, :a], [:lasgn, :b]]
parsed('@a, @b = 1, 2')[1].should == [:array, [:iasgn, :@a], [:iasgn, :@b]]
end
it "supports splat parts" do
parsed('a, *b = 1, 2')[1].should == [:array, [:lasgn, :a], [:splat, [:lasgn, :b]]]
parsed('@a, * = 1, 2')[1].should == [:array, [:iasgn, :@a], [:splat]]
end
end
describe "with a single rhs argument" do
it "should wrap rhs in an s(:to_ary)" do
parsed('a, b = 1')[2].should == [:to_ary, [:int, 1]]
end
end
end
Version data entries
39 entries across 39 versions & 3 rubygems