mirror of
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a28aa80c73
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67361 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
1323 lines
30 KiB
Ruby
1323 lines
30 KiB
Ruby
require_relative '../spec_helper'
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describe "A method send" do
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evaluate <<-ruby do
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def m(a) a end
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ruby
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a = b = m 1
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a.should == 1
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b.should == 1
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end
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context "with a single splatted Object argument" do
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before :all do
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def m(a) a end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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m(*x).should equal(x)
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([1])
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m(*x).should == 1
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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m(*x).should == x
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { m(*x) }.should raise_error(TypeError)
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end
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end
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context "with a leading splatted Object argument" do
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before :all do
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def m(a, b, *c, d, e) [a, b, c, d, e] end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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m(*x, 1, 2, 3).should == [x, 1, [], 2, 3]
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([1])
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m(*x, 2, 3, 4).should == [1, 2, [], 3, 4]
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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m(*x, 2, 3, 4).should == [x, 2, [], 3, 4]
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { m(*x, 2, 3) }.should raise_error(TypeError)
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end
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end
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context "with a middle splatted Object argument" do
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before :all do
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def m(a, b, *c, d, e) [a, b, c, d, e] end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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m(1, 2, *x, 3, 4).should == [1, 2, [x], 3, 4]
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([5, 6, 7])
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m(1, 2, *x, 3).should == [1, 2, [5, 6], 7, 3]
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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m(1, 2, *x, 4).should == [1, 2, [], x, 4]
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { m(1, *x, 2, 3) }.should raise_error(TypeError)
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end
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it "copies the splatted array" do
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args = [3, 4]
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m(1, 2, *args, 4, 5).should == [1, 2, [3, 4], 4, 5]
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m(1, 2, *args, 4, 5)[2].should_not equal(args)
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end
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it "allows an array being splatted to be modified by another argument" do
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args = [3, 4]
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m(1, args.shift, *args, 4, 5).should == [1, 3, [4], 4, 5]
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end
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end
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context "with a trailing splatted Object argument" do
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before :all do
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def m(a, *b, c) [a, b, c] end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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m(1, 2, *x).should == [1, [2], x]
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([5, 6, 7])
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m(1, 2, *x).should == [1, [2, 5, 6], 7]
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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m(1, 2, *x, 4).should == [1, [2, x], 4]
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { m(1, 2, *x) }.should raise_error(TypeError)
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end
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end
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end
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describe "An element assignment method send" do
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before :each do
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ScratchPad.clear
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end
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context "with a single splatted Object argument" do
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before :all do
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@o = mock("element set receiver")
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def @o.[]=(a, b) ScratchPad.record [a, b] end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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(@o[*x] = 1).should == 1
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ScratchPad.recorded.should == [x, 1]
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([1])
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(@o[*x] = 2).should == 2
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ScratchPad.recorded.should == [1, 2]
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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(@o[*x] = 1).should == 1
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ScratchPad.recorded.should == [x, 1]
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { @o[*x] = 1 }.should raise_error(TypeError)
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end
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end
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context "with a leading splatted Object argument" do
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before :all do
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@o = mock("element set receiver")
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def @o.[]=(a, b, *c, d, e) ScratchPad.record [a, b, c, d, e] end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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(@o[*x, 2, 3, 4] = 1).should == 1
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ScratchPad.recorded.should == [x, 2, [3], 4, 1]
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([1, 2, 3])
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(@o[*x, 4, 5] = 6).should == 6
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ScratchPad.recorded.should == [1, 2, [3, 4], 5, 6]
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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(@o[*x, 2, 3, 4] = 5).should == 5
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ScratchPad.recorded.should == [x, 2, [3], 4, 5]
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { @o[*x, 2, 3] = 4 }.should raise_error(TypeError)
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end
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end
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context "with a middle splatted Object argument" do
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before :all do
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@o = mock("element set receiver")
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def @o.[]=(a, b, *c, d, e) ScratchPad.record [a, b, c, d, e] end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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(@o[1, *x, 2, 3] = 4).should == 4
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ScratchPad.recorded.should == [1, x, [2], 3, 4]
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([2, 3])
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(@o[1, *x, 4] = 5).should == 5
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ScratchPad.recorded.should == [1, 2, [3], 4, 5]
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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(@o[1, 2, *x, 3] = 4).should == 4
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ScratchPad.recorded.should == [1, 2, [x], 3, 4]
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { @o[1, 2, *x, 3] = 4 }.should raise_error(TypeError)
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end
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end
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context "with a trailing splatted Object argument" do
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before :all do
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@o = mock("element set receiver")
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def @o.[]=(a, b, *c, d, e) ScratchPad.record [a, b, c, d, e] end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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(@o[1, 2, 3, 4, *x] = 5).should == 5
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ScratchPad.recorded.should == [1, 2, [3, 4], x, 5]
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([4, 5])
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(@o[1, 2, 3, *x] = 6).should == 6
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ScratchPad.recorded.should == [1, 2, [3, 4], 5, 6]
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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(@o[1, 2, 3, *x] = 4).should == 4
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ScratchPad.recorded.should == [1, 2, [3], x, 4]
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { @o[1, 2, 3, *x] = 4 }.should raise_error(TypeError)
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end
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end
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end
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describe "An attribute assignment method send" do
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context "with a single splatted Object argument" do
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before :all do
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@o = mock("element set receiver")
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def @o.m=(a, b) [a, b] end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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(@o.send :m=, *x, 1).should == [x, 1]
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([1])
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(@o.send :m=, *x, 2).should == [1, 2]
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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(@o.send :m=, *x, 1).should == [x, 1]
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { @o.send :m=, *x, 1 }.should raise_error(TypeError)
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end
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end
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context "with a leading splatted Object argument" do
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before :all do
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@o = mock("element set receiver")
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def @o.m=(a, b, *c, d, e) [a, b, c, d, e] end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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(@o.send :m=, *x, 2, 3, 4, 1).should == [x, 2, [3], 4, 1]
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([1, 2, 3])
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(@o.send :m=, *x, 4, 5, 6).should == [1, 2, [3, 4], 5, 6]
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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(@o.send :m=, *x, 2, 3, 4, 5).should == [x, 2, [3], 4, 5]
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { @o.send :m=, *x, 2, 3, 4 }.should raise_error(TypeError)
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end
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end
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context "with a middle splatted Object argument" do
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before :all do
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@o = mock("element set receiver")
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def @o.m=(a, b, *c, d, e) [a, b, c, d, e] end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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(@o.send :m=, 1, *x, 2, 3, 4).should == [1, x, [2], 3, 4]
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([2, 3])
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(@o.send :m=, 1, *x, 4, 5).should == [1, 2, [3], 4, 5]
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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(@o.send :m=, 1, 2, *x, 3, 4).should == [1, 2, [x], 3, 4]
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { @o.send :m=, 1, 2, *x, 3, 4 }.should raise_error(TypeError)
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end
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end
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context "with a trailing splatted Object argument" do
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before :all do
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@o = mock("element set receiver")
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def @o.m=(a, b, *c, d, e) [a, b, c, d, e] end
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end
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it "does not call #to_ary" do
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x = mock("splat argument")
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x.should_not_receive(:to_ary)
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(@o.send :m=, 1, 2, 3, 4, *x, 5).should == [1, 2, [3, 4], x, 5]
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end
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it "calls #to_a" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return([4, 5])
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(@o.send :m=, 1, 2, 3, *x, 6).should == [1, 2, [3, 4], 5, 6]
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end
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it "wraps the argument in an Array if #to_a returns nil" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(nil)
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(@o.send :m=, 1, 2, 3, *x, 4).should == [1, 2, [3], x, 4]
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end
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it "raises a TypeError if #to_a does not return an Array" do
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x = mock("splat argument")
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x.should_receive(:to_a).and_return(1)
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lambda { @o.send :m=, 1, 2, 3, *x, 4 }.should raise_error(TypeError)
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end
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end
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end
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describe "A method" do
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SpecEvaluate.desc = "for definition"
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context "assigns no local variables" do
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evaluate <<-ruby do
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def m
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end
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ruby
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m.should be_nil
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end
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evaluate <<-ruby do
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def m()
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end
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ruby
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m.should be_nil
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end
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end
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context "assigns local variables from method parameters" do
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evaluate <<-ruby do
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def m(a) a end
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ruby
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m((args = 1, 2, 3)).should equal(args)
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end
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|
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evaluate <<-ruby do
|
|
def m((a)) a end
|
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ruby
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m(1).should == 1
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m([1, 2, 3]).should == 1
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end
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|
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evaluate <<-ruby do
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def m((*a, b)) [a, b] end
|
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ruby
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m(1).should == [[], 1]
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m([1, 2, 3]).should == [[1, 2], 3]
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end
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|
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evaluate <<-ruby do
|
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def m(a=1) a end
|
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ruby
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m().should == 1
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m(2).should == 2
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end
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|
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evaluate <<-ruby do
|
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def m() end
|
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ruby
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|
|
|
m().should be_nil
|
|
m(*[]).should be_nil
|
|
m(**{}).should be_nil
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*) end
|
|
ruby
|
|
|
|
m().should be_nil
|
|
m(1).should be_nil
|
|
m(1, 2, 3).should be_nil
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*a) a end
|
|
ruby
|
|
|
|
m().should == []
|
|
m(1).should == [1]
|
|
m(1, 2, 3).should == [1, 2, 3]
|
|
m(*[]).should == []
|
|
m(**{}).should == []
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a:) a end
|
|
ruby
|
|
|
|
lambda { m() }.should raise_error(ArgumentError)
|
|
m(a: 1).should == 1
|
|
lambda { m("a" => 1, a: 1) }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a: 1) a end
|
|
ruby
|
|
|
|
m().should == 1
|
|
m(a: 2).should == 2
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(**) end
|
|
ruby
|
|
|
|
m().should be_nil
|
|
m(a: 1, b: 2).should be_nil
|
|
lambda { m(1) }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(**k) k end
|
|
ruby
|
|
|
|
m().should == {}
|
|
m(a: 1, b: 2).should == { a: 1, b: 2 }
|
|
m(*[]).should == {}
|
|
m(**{}).should == {}
|
|
m(**{a: 1, b: 2}, **{a: 4, c: 7}).should == { a: 4, b: 2, c: 7 }
|
|
lambda { m(2) }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(&b) b end
|
|
ruby
|
|
|
|
m { }.should be_an_instance_of(Proc)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, b) [a, b] end
|
|
ruby
|
|
|
|
m(1, 2).should == [1, 2]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, (b, c)) [a, b, c] end
|
|
ruby
|
|
|
|
m(1, 2).should == [1, 2, nil]
|
|
m(1, [2, 3, 4]).should == [1, 2, 3]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m((a), (b)) [a, b] end
|
|
ruby
|
|
|
|
m(1, 2).should == [1, 2]
|
|
m([1, 2], [3, 4]).should == [1, 3]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m((*), (*)) end
|
|
ruby
|
|
|
|
m(2, 3).should be_nil
|
|
m([2, 3, 4], [5, 6]).should be_nil
|
|
lambda { m a: 1 }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m((*a), (*b)) [a, b] end
|
|
ruby
|
|
|
|
m(1, 2).should == [[1], [2]]
|
|
m([1, 2], [3, 4]).should == [[1, 2], [3, 4]]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m((a, b), (c, d))
|
|
[a, b, c, d]
|
|
end
|
|
ruby
|
|
|
|
m(1, 2).should == [1, nil, 2, nil]
|
|
m([1, 2, 3], [4, 5, 6]).should == [1, 2, 4, 5]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m((a, *b), (*c, d))
|
|
[a, b, c, d]
|
|
end
|
|
ruby
|
|
|
|
m(1, 2).should == [1, [], [], 2]
|
|
m([1, 2, 3], [4, 5, 6]).should == [1, [2, 3], [4, 5], 6]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m((a, b, *c, d), (*e, f, g), (*h))
|
|
[a, b, c, d, e, f, g, h]
|
|
end
|
|
ruby
|
|
|
|
m(1, 2, 3).should == [1, nil, [], nil, [], 2, nil, [3]]
|
|
result = m([1, 2, 3], [4, 5, 6, 7, 8], [9, 10])
|
|
result.should == [1, 2, [], 3, [4, 5, 6], 7, 8, [9, 10]]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, (b, (c, *d), *e))
|
|
[a, b, c, d, e]
|
|
end
|
|
ruby
|
|
|
|
m(1, 2).should == [1, 2, nil, [], []]
|
|
m(1, [2, [3, 4, 5], 6, 7, 8]).should == [1, 2, 3, [4, 5], [6, 7, 8]]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, (b, (c, *d, (e, (*f)), g), (h, (i, j))))
|
|
[a, b, c, d, e, f, g, h, i, j]
|
|
end
|
|
ruby
|
|
|
|
m(1, 2).should == [1, 2, nil, [], nil, [nil], nil, nil, nil, nil]
|
|
result = m(1, [2, [3, 4, 5, [6, [7, 8]], 9], [10, [11, 12]]])
|
|
result.should == [1, 2, 3, [4, 5], 6, [7, 8], 9, 10, 11, 12]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, b=1) [a, b] end
|
|
ruby
|
|
|
|
m(2).should == [2, 1]
|
|
m(1, 2).should == [1, 2]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, *) a end
|
|
ruby
|
|
|
|
m(1).should == 1
|
|
m(1, 2, 3).should == 1
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, *b) [a, b] end
|
|
ruby
|
|
|
|
m(1).should == [1, []]
|
|
m(1, 2, 3).should == [1, [2, 3]]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, b:) [a, b] end
|
|
ruby
|
|
|
|
m(1, b: 2).should == [1, 2]
|
|
lambda { m("a" => 1, b: 2) }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, b: 1) [a, b] end
|
|
ruby
|
|
|
|
m(2).should == [2, 1]
|
|
m(1, b: 2).should == [1, 2]
|
|
m("a" => 1, b: 2).should == [{"a" => 1, b: 2}, 1]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, **) a end
|
|
ruby
|
|
|
|
m(1).should == 1
|
|
m(1, a: 2, b: 3).should == 1
|
|
m("a" => 1, b: 2).should == {"a" => 1, b: 2}
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, **k) [a, k] end
|
|
ruby
|
|
|
|
m(1).should == [1, {}]
|
|
m(1, a: 2, b: 3).should == [1, {a: 2, b: 3}]
|
|
m("a" => 1, b: 2).should == [{"a" => 1, b: 2}, {}]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, &b) [a, b] end
|
|
ruby
|
|
|
|
m(1).should == [1, nil]
|
|
m(1, &(l = -> {})).should == [1, l]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, b) [a, b] end
|
|
ruby
|
|
|
|
m(2).should == [1, 2]
|
|
m(2, 3).should == [2, 3]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, *) a end
|
|
ruby
|
|
|
|
m().should == 1
|
|
m(2, 3, 4).should == 2
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, *b) [a, b] end
|
|
ruby
|
|
|
|
m().should == [1, []]
|
|
m(2, 3, 4).should == [2, [3, 4]]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, (b, c)) [a, b, c] end
|
|
ruby
|
|
|
|
m(2).should == [1, 2, nil]
|
|
m(2, 3).should == [2, 3, nil]
|
|
m(2, [3, 4, 5]).should == [2, 3, 4]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, (b, (c, *d))) [a, b, c, d] end
|
|
ruby
|
|
|
|
m(2).should == [1, 2, nil, []]
|
|
m(2, 3).should == [2, 3, nil, []]
|
|
m(2, [3, [4, 5, 6], 7]).should == [2, 3, 4, [5, 6]]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, (b, (c, *d), *e)) [a, b, c, d, e] end
|
|
ruby
|
|
|
|
m(2).should == [1, 2, nil, [], []]
|
|
m(2, [3, 4, 5, 6]).should == [2, 3, 4, [], [5, 6]]
|
|
m(2, [3, [4, 5, 6], 7]).should == [2, 3, 4, [5, 6], [7]]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, (b), (c)) [a, b, c] end
|
|
ruby
|
|
|
|
m(2, 3).should == [1, 2, 3]
|
|
m(2, 3, 4).should == [2, 3, 4]
|
|
m(2, [3, 4], [5, 6, 7]).should == [2, 3, 5]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, (*b), (*c)) [a, b, c] end
|
|
ruby
|
|
|
|
lambda { m() }.should raise_error(ArgumentError)
|
|
lambda { m(2) }.should raise_error(ArgumentError)
|
|
m(2, 3).should == [1, [2], [3]]
|
|
m(2, [3, 4], [5, 6]).should == [2, [3, 4], [5, 6]]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, (b, c), (d, e)) [a, b, c, d, e] end
|
|
ruby
|
|
|
|
m(2, 3).should == [1, 2, nil, 3, nil]
|
|
m(2, [3, 4, 5], [6, 7, 8]).should == [2, 3, 4, 6, 7]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, (b, *c), (*d, e))
|
|
[a, b, c, d, e]
|
|
end
|
|
ruby
|
|
|
|
m(1, 2).should == [1, 1, [], [], 2]
|
|
m(1, [2, 3], [4, 5, 6]).should == [1, 2, [3], [4, 5], 6]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, (b, *c), (d, (*e, f)))
|
|
[a, b, c, d, e, f]
|
|
end
|
|
ruby
|
|
|
|
m(1, 2).should == [1, 1, [], 2, [], nil]
|
|
m(nil, nil).should == [1, nil, [], nil, [], nil]
|
|
result = m([1, 2, 3], [4, 5, 6], [7, 8, 9])
|
|
result.should == [[1, 2, 3], 4, [5, 6], 7, [], 8]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, b:) [a, b] end
|
|
ruby
|
|
|
|
m(b: 2).should == [1, 2]
|
|
m(2, b: 1).should == [2, 1]
|
|
m("a" => 1, b: 2).should == [{"a" => 1}, 2]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, b: 2) [a, b] end
|
|
ruby
|
|
|
|
m().should == [1, 2]
|
|
m(2).should == [2, 2]
|
|
m(b: 3).should == [1, 3]
|
|
m("a" => 1, b: 2).should == [{"a" => 1}, 2]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, **) a end
|
|
ruby
|
|
|
|
m().should == 1
|
|
m(2, a: 1, b: 0).should == 2
|
|
m("a" => 1, a: 2).should == {"a" => 1}
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, **k) [a, k] end
|
|
ruby
|
|
|
|
m().should == [1, {}]
|
|
m(2, a: 1, b: 2).should == [2, {a: 1, b: 2}]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a=1, &b) [a, b] end
|
|
ruby
|
|
|
|
m().should == [1, nil]
|
|
m(&(l = -> {})).should == [1, l]
|
|
|
|
p = -> {}
|
|
l = mock("to_proc")
|
|
l.should_receive(:to_proc).and_return(p)
|
|
m(&l).should == [1, p]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*, a) a end
|
|
ruby
|
|
|
|
m(1).should == 1
|
|
m(1, 2, 3).should == 3
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*a, b) [a, b] end
|
|
ruby
|
|
|
|
m(1).should == [[], 1]
|
|
m(1, 2, 3).should == [[1, 2], 3]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*, a:) a end
|
|
ruby
|
|
|
|
m(a: 1).should == 1
|
|
m(1, 2, a: 3).should == 3
|
|
m("a" => 1, a: 2).should == 2
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*a, b:) [a, b] end
|
|
ruby
|
|
|
|
m(b: 1).should == [[], 1]
|
|
m(1, 2, b: 3).should == [[1, 2], 3]
|
|
m("a" => 1, b: 2).should == [[{"a" => 1}], 2]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*, a: 1) a end
|
|
ruby
|
|
|
|
m().should == 1
|
|
m(1, 2).should == 1
|
|
m(a: 2).should == 2
|
|
m(1, a: 2).should == 2
|
|
m("a" => 1, a: 2).should == 2
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*a, b: 1) [a, b] end
|
|
ruby
|
|
|
|
m().should == [[], 1]
|
|
m(1, 2, 3, b: 4).should == [[1, 2, 3], 4]
|
|
m("a" => 1, b: 2).should == [[{"a" => 1}], 2]
|
|
|
|
a = mock("splat")
|
|
a.should_not_receive(:to_ary)
|
|
m(*a).should == [[a], 1]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*, **) end
|
|
ruby
|
|
|
|
m().should be_nil
|
|
m(a: 1, b: 2).should be_nil
|
|
m(1, 2, 3, a: 4, b: 5).should be_nil
|
|
|
|
h = mock("keyword splat")
|
|
h.should_receive(:to_hash).and_return({a: 1})
|
|
m(h).should be_nil
|
|
|
|
h = mock("keyword splat")
|
|
error = RuntimeError.new("error while converting to a hash")
|
|
h.should_receive(:to_hash).and_raise(error)
|
|
lambda { m(h) }.should raise_error(error)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*a, **) a end
|
|
ruby
|
|
|
|
m().should == []
|
|
m(1, 2, 3, a: 4, b: 5).should == [1, 2, 3]
|
|
m("a" => 1, a: 1).should == [{"a" => 1}]
|
|
m(1, **{a: 2}).should == [1]
|
|
|
|
h = mock("keyword splat")
|
|
h.should_receive(:to_hash)
|
|
lambda { m(**h) }.should raise_error(TypeError)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*, **k) k end
|
|
ruby
|
|
|
|
m().should == {}
|
|
m(1, 2, 3, a: 4, b: 5).should == {a: 4, b: 5}
|
|
m("a" => 1, a: 1).should == {a: 1}
|
|
|
|
h = mock("keyword splat")
|
|
h.should_receive(:to_hash).and_return({a: 1})
|
|
m(h).should == {a: 1}
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a = nil, **k) [a, k] end
|
|
ruby
|
|
|
|
m().should == [nil, {}]
|
|
m("a" => 1).should == [{"a" => 1}, {}]
|
|
m(a: 1).should == [nil, {a: 1}]
|
|
m("a" => 1, a: 1).should == [{"a" => 1}, {a: 1}]
|
|
m({ "a" => 1 }, a: 1).should == [{"a" => 1}, {a: 1}]
|
|
m({a: 1}, {}).should == [{a: 1}, {}]
|
|
|
|
h = {"a" => 1, b: 2}
|
|
m(h).should == [{"a" => 1}, {b: 2}]
|
|
h.should == {"a" => 1, b: 2}
|
|
|
|
h = {"a" => 1}
|
|
m(h).first.should == h
|
|
|
|
h = {}
|
|
r = m(h)
|
|
r.first.should be_nil
|
|
r.last.should == {}
|
|
|
|
hh = {}
|
|
h = mock("keyword splat empty hash")
|
|
h.should_receive(:to_hash).and_return(hh)
|
|
r = m(h)
|
|
r.first.should be_nil
|
|
r.last.should == {}
|
|
|
|
h = mock("keyword splat")
|
|
h.should_receive(:to_hash).and_return({"a" => 1, a: 2})
|
|
m(h).should == [{"a" => 1}, {a: 2}]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*a, **k) [a, k] end
|
|
ruby
|
|
|
|
m().should == [[], {}]
|
|
m(1).should == [[1], {}]
|
|
m(a: 1, b: 2).should == [[], {a: 1, b: 2}]
|
|
m(1, 2, 3, a: 2).should == [[1, 2, 3], {a: 2}]
|
|
|
|
m("a" => 1).should == [[{"a" => 1}], {}]
|
|
m(a: 1).should == [[], {a: 1}]
|
|
m("a" => 1, a: 1).should == [[{"a" => 1}], {a: 1}]
|
|
m({ "a" => 1 }, a: 1).should == [[{"a" => 1}], {a: 1}]
|
|
m({a: 1}, {}).should == [[{a: 1}], {}]
|
|
m({a: 1}, {"a" => 1}).should == [[{a: 1}, {"a" => 1}], {}]
|
|
|
|
bo = BasicObject.new
|
|
def bo.to_a; [1, 2, 3]; end
|
|
def bo.to_hash; {:b => 2, :c => 3}; end
|
|
|
|
m(*bo, **bo).should == [[1, 2, 3], {:b => 2, :c => 3}]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*, &b) b end
|
|
ruby
|
|
|
|
m().should be_nil
|
|
m(1, 2, 3, 4).should be_nil
|
|
m(&(l = ->{})).should equal(l)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(*a, &b) [a, b] end
|
|
ruby
|
|
|
|
m().should == [[], nil]
|
|
m(1).should == [[1], nil]
|
|
m(1, 2, 3, &(l = -> {})).should == [[1, 2, 3], l]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a:, b:) [a, b] end
|
|
ruby
|
|
|
|
m(a: 1, b: 2).should == [1, 2]
|
|
lambda { m("a" => 1, a: 1, b: 2) }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a:, b: 1) [a, b] end
|
|
ruby
|
|
|
|
m(a: 1).should == [1, 1]
|
|
m(a: 1, b: 2).should == [1, 2]
|
|
lambda { m("a" => 1, a: 1, b: 2) }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a:, **) a end
|
|
ruby
|
|
|
|
m(a: 1).should == 1
|
|
m(a: 1, b: 2).should == 1
|
|
lambda { m("a" => 1, a: 1, b: 2) }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a:, **k) [a, k] end
|
|
ruby
|
|
|
|
m(a: 1).should == [1, {}]
|
|
m(a: 1, b: 2, c: 3).should == [1, {b: 2, c: 3}]
|
|
lambda { m("a" => 1, a: 1, b: 2) }.should raise_error(ArgumentError)
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a:, &b) [a, b] end
|
|
ruby
|
|
|
|
m(a: 1).should == [1, nil]
|
|
m(a: 1, &(l = ->{})).should == [1, l]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a: 1, b:) [a, b] end
|
|
ruby
|
|
|
|
m(b: 0).should == [1, 0]
|
|
m(b: 2, a: 3).should == [3, 2]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a: def m(a: 1) a end, b:)
|
|
[a, b]
|
|
end
|
|
ruby
|
|
|
|
m(a: 2, b: 3).should == [2, 3]
|
|
m(b: 1).should == [:m, 1]
|
|
|
|
# Note the default value of a: in the original method.
|
|
m().should == 1
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a: 1, b: 2) [a, b] end
|
|
ruby
|
|
|
|
m().should == [1, 2]
|
|
m(b: 3, a: 4).should == [4, 3]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a: 1, **) a end
|
|
ruby
|
|
|
|
m().should == 1
|
|
m(a: 2, b: 1).should == 2
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a: 1, **k) [a, k] end
|
|
ruby
|
|
|
|
m(b: 2, c: 3).should == [1, {b: 2, c: 3}]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a: 1, &b) [a, b] end
|
|
ruby
|
|
|
|
m(&(l = ->{})).should == [1, l]
|
|
m().should == [1, nil]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(**, &b) b end
|
|
ruby
|
|
|
|
m(a: 1, b: 2, &(l = ->{})).should == l
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(**k, &b) [k, b] end
|
|
ruby
|
|
|
|
m(a: 1, b: 2).should == [{ a: 1, b: 2}, nil]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, b=1, *c, (*d, (e)), f: 2, g:, h:, **k, &l)
|
|
[a, b, c, d, e, f, g, h, k, l]
|
|
end
|
|
ruby
|
|
|
|
result = m(9, 8, 7, 6, f: 5, g: 4, h: 3, &(l = ->{}))
|
|
result.should == [9, 8, [7], [], 6, 5, 4, 3, {}, l]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, b=1, *c, d, e:, f: 2, g:, **k, &l)
|
|
[a, b, c, d, e, f, g, k, l]
|
|
end
|
|
ruby
|
|
|
|
result = m(1, 2, e: 3, g: 4, h: 5, i: 6, &(l = ->{}))
|
|
result.should == [1, 1, [], 2, 3, 2, 4, { h: 5, i: 6 }, l]
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def m(a, b = nil, c = nil, d, e: nil, **f)
|
|
[a, b, c, d, e, f]
|
|
end
|
|
ruby
|
|
|
|
result = m(1, 2)
|
|
result.should == [1, nil, nil, 2, nil, {}]
|
|
|
|
result = m(1, 2, {foo: :bar})
|
|
result.should == [1, nil, nil, 2, nil, {foo: :bar}]
|
|
|
|
result = m(1, {foo: :bar})
|
|
result.should == [1, nil, nil, {foo: :bar}, nil, {}]
|
|
end
|
|
end
|
|
|
|
context "assigns keyword arguments from a passed Hash without modifying it" do
|
|
evaluate <<-ruby do
|
|
def m(a: nil); a; end
|
|
ruby
|
|
|
|
options = {a: 1}.freeze
|
|
lambda do
|
|
m(options).should == 1
|
|
end.should_not raise_error
|
|
options.should == {a: 1}
|
|
end
|
|
end
|
|
end
|
|
|
|
describe "A method call with a space between method name and parentheses" do
|
|
before(:each) do
|
|
def m(*args)
|
|
args
|
|
end
|
|
|
|
def n(value, &block)
|
|
[value, block.call]
|
|
end
|
|
end
|
|
|
|
context "when no arguments provided" do
|
|
it "assigns nil" do
|
|
args = m ()
|
|
args.should == [nil]
|
|
end
|
|
end
|
|
|
|
context "when a single argument provided" do
|
|
it "assigns it" do
|
|
args = m (1 == 1 ? true : false)
|
|
args.should == [true]
|
|
end
|
|
end
|
|
|
|
context "when 2+ arguments provided" do
|
|
it "raises a syntax error" do
|
|
lambda {
|
|
eval("m (1, 2)")
|
|
}.should raise_error(SyntaxError)
|
|
|
|
lambda {
|
|
eval("m (1, 2, 3)")
|
|
}.should raise_error(SyntaxError)
|
|
end
|
|
end
|
|
|
|
it "allows to pass a block with curly braces" do
|
|
args = n () { :block_value }
|
|
args.should == [nil, :block_value]
|
|
|
|
args = n (1) { :block_value }
|
|
args.should == [1, :block_value]
|
|
end
|
|
|
|
it "allows to pass a block with do/end" do
|
|
args = n () do
|
|
:block_value
|
|
end
|
|
args.should == [nil, :block_value]
|
|
|
|
args = n (1) do
|
|
:block_value
|
|
end
|
|
args.should == [1, :block_value]
|
|
end
|
|
end
|
|
|
|
describe "An array-dereference method ([])" do
|
|
SpecEvaluate.desc = "for definition"
|
|
|
|
context "received the passed-in block" do
|
|
evaluate <<-ruby do
|
|
def [](*, &b)
|
|
b.call
|
|
end
|
|
ruby
|
|
pr = proc {:ok}
|
|
|
|
self[&pr].should == :ok
|
|
self['foo', &pr].should == :ok
|
|
self.[](&pr).should == :ok
|
|
self.[]('foo', &pr).should == :ok
|
|
end
|
|
|
|
evaluate <<-ruby do
|
|
def [](*)
|
|
yield
|
|
end
|
|
ruby
|
|
pr = proc {:ok}
|
|
|
|
self[&pr].should == :ok
|
|
self['foo', &pr].should == :ok
|
|
self.[](&pr).should == :ok
|
|
self.[]('foo', &pr).should == :ok
|
|
end
|
|
end
|
|
end
|