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-rw-r--r--spec/rubyspec/language/yield_spec.rb179
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diff --git a/spec/rubyspec/language/yield_spec.rb b/spec/rubyspec/language/yield_spec.rb
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--- a/spec/rubyspec/language/yield_spec.rb
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@@ -1,179 +0,0 @@
-require File.expand_path('../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/yield', __FILE__)
-
-# Note that these specs use blocks defined as { |*a| ... } to capture the
-# arguments with which the block is invoked. This is slightly confusing
-# because the outer Array is a consequence of |*a| but it is necessary to
-# clearly distinguish some behaviors.
-
-describe "The yield call" do
- before :each do
- @y = YieldSpecs::Yielder.new
- end
-
- describe "taking no arguments" do
- it "raises a LocalJumpError when the method is not passed a block" do
- lambda { @y.z }.should raise_error(LocalJumpError)
- end
-
- it "ignores assignment to the explicit block argument and calls the passed block" do
- @y.ze { 42 }.should == 42
- end
- end
-
- describe "taking a single argument" do
- describe "when no block is given" do
- it "raises a LocalJumpError" do
- lambda { @y.s(1) }.should raise_error(LocalJumpError)
- end
- end
-
- describe "yielding to a literal block" do
- it "passes an empty Array when the argument is an empty Array" do
- @y.s([]) { |*a| a }.should == [[]]
- end
-
- it "passes nil as a value" do
- @y.s(nil) { |*a| a }.should == [nil]
- end
-
- it "passes a single value" do
- @y.s(1) { |*a| a }.should == [1]
- end
-
- it "passes a single, multi-value Array" do
- @y.s([1, 2, 3]) { |*a| a }.should == [[1, 2, 3]]
- end
- end
-
- describe "yielding to a lambda" do
- it "passes an empty Array when the argument is an empty Array" do
- @y.s([], &lambda { |*a| a }).should == [[]]
- end
-
- it "passes nil as a value" do
- @y.s(nil, &lambda { |*a| a }).should == [nil]
- end
-
- it "passes a single value" do
- @y.s(1, &lambda { |*a| a }).should == [1]
- end
-
- it "passes a single, multi-value Array" do
- @y.s([1, 2, 3], &lambda { |*a| a }).should == [[1, 2, 3]]
- end
-
- it "raises an ArgumentError if too few arguments are passed" do
- lambda {
- @y.s(1, &lambda { |a,b| [a,b] })
- }.should raise_error(ArgumentError)
- end
-
- ruby_bug "#12705", "2.2"..."2.5" do
- it "should not destructure an Array into multiple arguments" do
- lambda {
- @y.s([1, 2], &lambda { |a,b| [a,b] })
- }.should raise_error(ArgumentError)
- end
- end
- end
- end
-
- describe "taking multiple arguments" do
- it "raises a LocalJumpError when the method is not passed a block" do
- lambda { @y.m(1, 2, 3) }.should raise_error(LocalJumpError)
- end
-
- it "passes the arguments to the block" do
- @y.m(1, 2, 3) { |*a| a }.should == [1, 2, 3]
- end
-
- it "passes only the first argument if the block takes one parameter" do
- @y.m(1, 2, 3) { |a| a }.should == 1
- end
-
- it "raises an ArgumentError if too many arguments are passed to a lambda" do
- lambda {
- @y.m(1, 2, 3, &lambda { |a| })
- }.should raise_error(ArgumentError)
- end
-
- it "raises an ArgumentError if too few arguments are passed to a lambda" do
- lambda {
- @y.m(1, 2, 3, &lambda { |a,b,c,d| })
- }.should raise_error(ArgumentError)
- end
- end
-
- describe "taking a single splatted argument" do
- it "raises a LocalJumpError when the method is not passed a block" do
- lambda { @y.r(0) }.should raise_error(LocalJumpError)
- end
-
- it "passes a single value" do
- @y.r(1) { |*a| a }.should == [1]
- end
-
- it "passes no arguments when the argument is an empty Array" do
- @y.r([]) { |*a| a }.should == []
- end
-
- it "passes the value when the argument is an Array containing a single value" do
- @y.r([1]) { |*a| a }.should == [1]
- end
-
- it "passes the values of the Array as individual arguments" do
- @y.r([1, 2, 3]) { |*a| a }.should == [1, 2, 3]
- end
-
- it "passes the element of a single element Array" do
- @y.r([[1, 2]]) { |*a| a }.should == [[1, 2]]
- @y.r([nil]) { |*a| a }.should == [nil]
- @y.r([[]]) { |*a| a }.should == [[]]
- end
-
- it "passes no values when give nil as an argument" do
- @y.r(nil) { |*a| a }.should == []
- end
- end
-
- describe "taking multiple arguments with a splat" do
- it "raises a LocalJumpError when the method is not passed a block" do
- lambda { @y.rs(1, 2, [3, 4]) }.should raise_error(LocalJumpError)
- end
-
- it "passes the arguments to the block" do
- @y.rs(1, 2, 3) { |*a| a }.should == [1, 2, 3]
- end
-
- it "does not pass an argument value if the splatted argument is an empty Array" do
- @y.rs(1, 2, []) { |*a| a }.should == [1, 2]
- end
-
- it "passes the Array elements as arguments if the splatted argument is a non-empty Array" do
- @y.rs(1, 2, [3]) { |*a| a }.should == [1, 2, 3]
- @y.rs(1, 2, [nil]) { |*a| a }.should == [1, 2, nil]
- @y.rs(1, 2, [[]]) { |*a| a }.should == [1, 2, []]
- @y.rs(1, 2, [3, 4, 5]) { |*a| a }.should == [1, 2, 3, 4, 5]
- end
-
- it "does not pass an argument value if the splatted argument is nil" do
- @y.rs(1, 2, nil) { |*a| a }.should == [1, 2]
- end
- end
-
- describe "taking matching arguments with splats and post args" do
- it "raises a LocalJumpError when the method is not passed a block" do
- lambda { @y.rs(1, 2, [3, 4]) }.should raise_error(LocalJumpError)
- end
-
- it "passes the arguments to the block" do
- @y.rs([1, 2], 3, 4) { |(*a, b), c, d| [a, b, c, d] }.should == [[1], 2, 3, 4]
- end
- end
-
- it "uses captured block of a block used in define_method" do
- @y.deep(2).should == 4
- end
-
-end