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Diffstat (limited to 'spec/rubyspec/language/yield_spec.rb')
| -rw-r--r-- | spec/rubyspec/language/yield_spec.rb | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/spec/rubyspec/language/yield_spec.rb b/spec/rubyspec/language/yield_spec.rb deleted file mode 100644 index 663110cbe6..0000000000 --- a/spec/rubyspec/language/yield_spec.rb +++ /dev/null @@ -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 |
