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Diffstat (limited to 'spec/rubyspec/language/send_spec.rb')
-rw-r--r-- | spec/rubyspec/language/send_spec.rb | 521 |
1 files changed, 0 insertions, 521 deletions
diff --git a/spec/rubyspec/language/send_spec.rb b/spec/rubyspec/language/send_spec.rb deleted file mode 100644 index 646a700785..0000000000 --- a/spec/rubyspec/language/send_spec.rb +++ /dev/null @@ -1,521 +0,0 @@ -require File.expand_path('../../spec_helper', __FILE__) -require File.expand_path('../fixtures/send', __FILE__) - -# Why so many fixed arg tests? JRuby and I assume other Ruby impls have -# separate call paths for simple fixed arity methods. Testing up to five -# will verify special and generic arity code paths for all impls. -# -# Method naming conventions: -# M - Manditory Args -# O - Optional Arg -# R - Rest Arg -# Q - Post Manditory Args - -specs = LangSendSpecs - -describe "Invoking a method" do - describe "with zero arguments" do - it "requires no arguments passed" do - specs.fooM0.should == 100 - end - - it "raises ArgumentError if the method has a positive arity" do - lambda { - specs.fooM1 - }.should raise_error(ArgumentError) - end - end - - describe "with only mandatory arguments" do - it "requires exactly the same number of passed values" do - specs.fooM1(1).should == [1] - specs.fooM2(1,2).should == [1,2] - specs.fooM3(1,2,3).should == [1,2,3] - specs.fooM4(1,2,3,4).should == [1,2,3,4] - specs.fooM5(1,2,3,4,5).should == [1,2,3,4,5] - end - - it "raises ArgumentError if the methods arity doesn't match" do - lambda { - specs.fooM1(1,2) - }.should raise_error(ArgumentError) - end - end - - describe "with optional arguments" do - it "uses the optional argument if none is is passed" do - specs.fooM0O1.should == [1] - end - - it "uses the passed argument if available" do - specs.fooM0O1(2).should == [2] - end - - it "raises ArgumentError if extra arguments are passed" do - lambda { - specs.fooM0O1(2,3) - }.should raise_error(ArgumentError) - end - end - - describe "with mandatory and optional arguments" do - it "uses the passed values in left to right order" do - specs.fooM1O1(2).should == [2,1] - end - - it "raises an ArgumentError if there are no values for the mandatory args" do - lambda { - specs.fooM1O1 - }.should raise_error(ArgumentError) - end - - it "raises an ArgumentError if too many values are passed" do - lambda { - specs.fooM1O1(1,2,3) - }.should raise_error(ArgumentError) - end - end - - describe "with a rest argument" do - it "is an empty array if there are no additional arguments" do - specs.fooM0R().should == [] - specs.fooM1R(1).should == [1, []] - end - - it "gathers unused arguments" do - specs.fooM0R(1).should == [1] - specs.fooM1R(1,2).should == [1, [2]] - end - end - - it "with a block makes it available to yield" do - specs.oneb(10) { 200 }.should == [10,200] - end - - it "with a block converts the block to a Proc" do - prc = specs.makeproc { "hello" } - prc.should be_kind_of(Proc) - prc.call.should == "hello" - end - - it "with an object as a block uses 'to_proc' for coercion" do - o = LangSendSpecs::ToProc.new(:from_to_proc) - - specs.makeproc(&o).call.should == :from_to_proc - - specs.yield_now(&o).should == :from_to_proc - end - - it "raises a SyntaxError with both a literal block and an object as block" do - lambda { - eval "specs.oneb(10, &l){ 42 }" - }.should raise_error(SyntaxError) - end - - it "with same names as existing variables is ok" do - foobar = 100 - - def foobar; 200; end - - foobar.should == 100 - foobar().should == 200 - end - - it "with splat operator makes the object the direct arguments" do - a = [1,2,3] - specs.fooM3(*a).should == [1,2,3] - end - - it "without parentheses works" do - (specs.fooM3 1,2,3).should == [1,2,3] - end - - it "with a space separating method name and parenthesis treats expression in parenthesis as first argument" do - specs.weird_parens().should == "55" - end - - describe "allows []=" do - before :each do - @obj = LangSendSpecs::AttrSet.new - end - - it "with *args in the [] expanded to individual arguments" do - ary = [2,3] - (@obj[1, *ary] = 4).should == 4 - @obj.result.should == [1,2,3,4] - end - - it "with multiple *args" do - ary = [2,3] - post = [4,5] - (@obj[1, *ary] = *post).should == [4,5] - @obj.result.should == [1,2,3,[4,5]] - end - - it "with multiple *args and does not unwrap the last splat" do - ary = [2,3] - post = [4] - (@obj[1, *ary] = *post).should == [4] - @obj.result.should == [1,2,3,[4]] - end - - it "with a *args and multiple rhs args" do - ary = [2,3] - (@obj[1, *ary] = 4, 5).should == [4,5] - @obj.result.should == [1,2,3,[4,5]] - end - end - - it "passes literal hashes without curly braces as the last parameter" do - specs.fooM3('abc', 456, 'rbx' => 'cool', - 'specs' => 'fail sometimes', 'oh' => 'weh').should == \ - ['abc', 456, {'rbx' => 'cool', 'specs' => 'fail sometimes', 'oh' => 'weh'}] - end - - it "passes a literal hash without curly braces or parens" do - (specs.fooM3 'abc', 456, 'rbx' => 'cool', - 'specs' => 'fail sometimes', 'oh' => 'weh').should == \ - ['abc', 456, { 'rbx' => 'cool', 'specs' => 'fail sometimes', 'oh' => 'weh'}] - end - - it "allows to literal hashes without curly braces as the only parameter" do - specs.fooM1(rbx: :cool, specs: :fail_sometimes).should == - [{ rbx: :cool, specs: :fail_sometimes }] - - (specs.fooM1 rbx: :cool, specs: :fail_sometimes).should == - [{ rbx: :cool, specs: :fail_sometimes }] - end - - describe "when the method is not available" do - it "invokes method_missing if it is defined" do - o = LangSendSpecs::MethodMissing.new - o.not_there(1,2) - o.message.should == :not_there - o.args.should == [1,2] - end - - it "raises NameError if invoked as a vcall" do - lambda { no_such_method }.should raise_error NameError - end - - it "raises NoMethodError if invoked as an unambiguous method call" do - lambda { no_such_method() }.should raise_error NoMethodError - lambda { no_such_method(1,2,3) }.should raise_error NoMethodError - end - end - -end - -describe "Invoking a public setter method" do - it 'returns the set value' do - klass = Class.new do - def foobar=(*) - 1 - end - end - - (klass.new.foobar = 'bar').should == 'bar' - (klass.new.foobar = 'bar', 'baz').should == ["bar", "baz"] - end -end - -describe "Invoking []= methods" do - it 'returns the set value' do - klass = Class.new do - def []=(*) - 1 - end - end - - (klass.new[33] = 'bar').should == 'bar' - (klass.new[33] = 'bar', 'baz').should == ['bar', 'baz'] - (klass.new[33, 34] = 'bar', 'baz').should == ['bar', 'baz'] - end -end - -describe "Invoking a private setter method" do - describe "permits self as a receiver" do - it "for normal assignment" do - receiver = LangSendSpecs::PrivateSetter.new - receiver.call_self_foo_equals(42) - receiver.foo.should == 42 - end - - it "for multiple assignment" do - receiver = LangSendSpecs::PrivateSetter.new - receiver.call_self_foo_equals_masgn(42) - receiver.foo.should == 42 - end - end -end - -describe "Invoking a private getter method" do - it "does not permit self as a receiver" do - receiver = LangSendSpecs::PrivateGetter.new - lambda { receiver.call_self_foo }.should raise_error(NoMethodError) - lambda { receiver.call_self_foo_or_equals(6) }.should raise_error(NoMethodError) - end -end - -describe "Invoking a method" do - describe "with required args after the rest arguments" do - it "binds the required arguments first" do - specs.fooM0RQ1(1).should == [[], 1] - specs.fooM0RQ1(1,2).should == [[1], 2] - specs.fooM0RQ1(1,2,3).should == [[1,2], 3] - - specs.fooM1RQ1(1,2).should == [1, [], 2] - specs.fooM1RQ1(1,2,3).should == [1, [2], 3] - specs.fooM1RQ1(1,2,3,4).should == [1, [2, 3], 4] - - specs.fooM1O1RQ1(1,2).should == [1, 9, [], 2] - specs.fooM1O1RQ1(1,2,3).should == [1, 2, [], 3] - specs.fooM1O1RQ1(1,2,3,4).should == [1, 2, [3], 4] - - specs.fooM1O1RQ2(1,2,3).should == [1, 9, [], 2, 3] - specs.fooM1O1RQ2(1,2,3,4).should == [1, 2, [], 3, 4] - specs.fooM1O1RQ2(1,2,3,4,5).should == [1, 2, [3], 4, 5] - end - end - - describe "with mandatory arguments after optional arguments" do - it "binds the required arguments first" do - specs.fooO1Q1(0,1).should == [0,1] - specs.fooO1Q1(2).should == [1,2] - - specs.fooM1O1Q1(2,3,4).should == [2,3,4] - specs.fooM1O1Q1(1,3).should == [1,2,3] - - specs.fooM2O1Q1(1,2,4).should == [1,2,3,4] - - specs.fooM2O2Q1(1,2,3,4,5).should == [1,2,3,4,5] - specs.fooM2O2Q1(1,2,3,5).should == [1,2,3,4,5] - specs.fooM2O2Q1(1,2,5).should == [1,2,3,4,5] - - specs.fooO4Q1(1,2,3,4,5).should == [1,2,3,4,5] - specs.fooO4Q1(1,2,3,5).should == [1,2,3,4,5] - specs.fooO4Q1(1,2,5).should == [1,2,3,4,5] - specs.fooO4Q1(1,5).should == [1,2,3,4,5] - specs.fooO4Q1(5).should == [1,2,3,4,5] - - specs.fooO4Q2(1,2,3,4,5,6).should == [1,2,3,4,5,6] - specs.fooO4Q2(1,2,3,5,6).should == [1,2,3,4,5,6] - specs.fooO4Q2(1,2,5,6).should == [1,2,3,4,5,6] - specs.fooO4Q2(1,5,6).should == [1,2,3,4,5,6] - specs.fooO4Q2(5,6).should == [1,2,3,4,5,6] - end - end - - it "with .() invokes #call" do - q = proc { |z| z } - q.(1).should == 1 - - obj = mock("paren call") - obj.should_receive(:call).and_return(:called) - obj.().should == :called - end - - it "allows a vestigial trailing ',' in the arguments" do - specs.fooM1(1,).should == [1] - end - - it "with splat operator attempts to coerce it to an Array if the object respond_to?(:to_a)" do - ary = [2,3,4] - obj = mock("to_a") - obj.should_receive(:to_a).and_return(ary).twice - specs.fooM0R(*obj).should == ary - specs.fooM1R(1,*obj).should == [1, ary] - end - - it "with splat operator * and non-Array value uses value unchanged if it does not respond_to?(:to_ary)" do - obj = Object.new - obj.should_not respond_to(:to_a) - - specs.fooM0R(*obj).should == [obj] - specs.fooM1R(1,*obj).should == [1, [obj]] - end - - it "accepts additional arguments after splat expansion" do - a = [1,2] - specs.fooM4(*a,3,4).should == [1,2,3,4] - specs.fooM4(0,*a,3).should == [0,1,2,3] - end - - it "does not expand final array arguments after a splat expansion" do - a = [1, 2] - specs.fooM3(*a, [3, 4]).should == [1, 2, [3, 4]] - end - - it "accepts final explicit literal Hash arguments after the splat" do - a = [1, 2] - specs.fooM0RQ1(*a, { a: 1 }).should == [[1, 2], { a: 1 }] - end - - it "accepts final implicit literal Hash arguments after the splat" do - a = [1, 2] - specs.fooM0RQ1(*a, a: 1).should == [[1, 2], { a: 1 }] - end - - it "accepts final Hash arguments after the splat" do - a = [1, 2] - b = { a: 1 } - specs.fooM0RQ1(*a, b).should == [[1, 2], { a: 1 }] - end - - it "accepts mandatory and explicit literal Hash arguments after the splat" do - a = [1, 2] - specs.fooM0RQ2(*a, 3, { a: 1 }).should == [[1, 2], 3, { a: 1 }] - end - - it "accepts mandatory and implicit literal Hash arguments after the splat" do - a = [1, 2] - specs.fooM0RQ2(*a, 3, a: 1).should == [[1, 2], 3, { a: 1 }] - end - - it "accepts mandatory and Hash arguments after the splat" do - a = [1, 2] - b = { a: 1 } - specs.fooM0RQ2(*a, 3, b).should == [[1, 2], 3, { a: 1 }] - end - - it "converts a final splatted explicit Hash to an Array" do - a = [1, 2] - specs.fooR(*a, 3, *{ a: 1 }).should == [1, 2, 3, [:a, 1]] - end - - it "calls #to_a to convert a final splatted Hash object to an Array" do - a = [1, 2] - b = { a: 1 } - b.should_receive(:to_a).and_return([:a, 1]) - - specs.fooR(*a, 3, *b).should == [1, 2, 3, :a, 1] - end - - it "accepts multiple splat expansions in the same argument list" do - a = [1,2,3] - b = 7 - c = mock("pseudo-array") - c.should_receive(:to_a).and_return([0,0]) - - d = [4,5] - specs.rest_len(*a,*d,6,*b).should == 7 - specs.rest_len(*a,*a,*a).should == 9 - specs.rest_len(0,*a,4,*5,6,7,*c,-1).should == 11 - end - - it "expands an array to arguments grouped in parentheses" do - specs.destructure2([40,2]).should == 42 - end - - it "expands an array to arguments grouped in parentheses and ignores any rest arguments in the array" do - specs.destructure2([40,2,84]).should == 42 - end - - it "expands an array to arguments grouped in parentheses and sets not specified arguments to nil" do - specs.destructure2b([42]).should == [42, nil] - end - - it "expands an array to arguments grouped in parentheses which in turn takes rest arguments" do - specs.destructure4r([1, 2, 3]).should == [1, 2, [], 3, nil] - specs.destructure4r([1, 2, 3, 4]).should == [1, 2, [], 3, 4] - specs.destructure4r([1, 2, 3, 4, 5]).should == [1, 2, [3], 4, 5] - end - - it "with optional argument(s), expands an array to arguments grouped in parentheses" do - specs.destructure4o(1, [2, 3]).should == [1, 1, nil, [2, 3]] - specs.destructure4o(1, [], 2).should == [1, nil, nil, 2] - specs.destructure4os(1, [2, 3]).should == [1, 2, [3]] - specs.destructure5o(1, [2, 3]).should == [1, 2, 1, nil, [2, 3]] - specs.destructure7o(1, [2, 3]).should == [1, 2, 1, nil, 2, 3] - specs.destructure7b(1, [2, 3]) do |(a,*b,c)| - [a, c] - end.should == [1, 3] - end - - describe "new-style hash arguments" do - describe "as the only parameter" do - it "passes without curly braces" do - specs.fooM1(rbx: 'cool', specs: :fail_sometimes, non_sym: 1234).should == - [{ rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - - it "passes without curly braces or parens" do - (specs.fooM1 rbx: 'cool', specs: :fail_sometimes, non_sym: 1234).should == - [{ rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - - it "handles a hanging comma without curly braces" do - specs.fooM1(abc: 123,).should == [{abc: 123}] - specs.fooM1(rbx: 'cool', specs: :fail_sometimes, non_sym: 1234,).should == - [{ rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - end - - describe "as the last parameter" do - it "passes without curly braces" do - specs.fooM3('abc', 123, rbx: 'cool', specs: :fail_sometimes, non_sym: 1234).should == - ['abc', 123, { rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - - it "passes without curly braces or parens" do - (specs.fooM3 'abc', 123, rbx: 'cool', specs: :fail_sometimes, non_sym: 1234).should == - ['abc', 123, { rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - - it "handles a hanging comma without curly braces" do - specs.fooM3('abc', 123, abc: 123,).should == ['abc', 123, {abc: 123}] - specs.fooM3('abc', 123, rbx: 'cool', specs: :fail_sometimes, non_sym: 1234,).should == - ['abc', 123, { rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - end - end - - describe "mixed new- and old-style hash arguments" do - describe "as the only parameter" do - it "passes without curly braces" do - specs.fooM1(rbx: 'cool', specs: :fail_sometimes, non_sym: 1234).should == - [{ rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - - it "passes without curly braces or parens" do - (specs.fooM1 rbx: 'cool', specs: :fail_sometimes, non_sym: 1234).should == - [{ rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - - it "handles a hanging comma without curly braces" do - specs.fooM1(rbx: 'cool', specs: :fail_sometimes, non_sym: 1234,).should == - [{ rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - end - - describe "as the last parameter" do - it "passes without curly braces" do - specs.fooM3('abc', 123, rbx: 'cool', specs: :fail_sometimes, non_sym: 1234).should == - ['abc', 123, { rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - - it "passes without curly braces or parens" do - (specs.fooM3 'abc', 123, rbx: 'cool', specs: :fail_sometimes, non_sym: 1234).should == - ['abc', 123, { rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - - it "handles a hanging comma without curly braces" do - specs.fooM3('abc', 123, rbx: 'cool', specs: :fail_sometimes, non_sym: 1234,).should == - ['abc', 123, { rbx: 'cool', specs: :fail_sometimes, non_sym: 1234 }] - end - end - end - -end - -describe "allows []= with arguments after splat" do - before :each do - @obj = LangSendSpecs::Attr19Set.new - @ary = ["a"] - end - - it "with *args in the [] and post args" do - @obj[1,*@ary,123] = 2 - @obj.result.should == [1, "a", 123, 2] - end -end |