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Diffstat (limited to 'spec/rubyspec/language/hash_spec.rb')
-rw-r--r-- | spec/rubyspec/language/hash_spec.rb | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/spec/rubyspec/language/hash_spec.rb b/spec/rubyspec/language/hash_spec.rb deleted file mode 100644 index edd9d4fbb2..0000000000 --- a/spec/rubyspec/language/hash_spec.rb +++ /dev/null @@ -1,154 +0,0 @@ -require File.expand_path('../../spec_helper', __FILE__) -require File.expand_path('../fixtures/hash_strings_ascii8bit', __FILE__) -require File.expand_path('../fixtures/hash_strings_utf8', __FILE__) -require File.expand_path('../fixtures/hash_strings_usascii', __FILE__) - -describe "Hash literal" do - it "{} should return an empty hash" do - {}.size.should == 0 - {}.should == {} - end - - it "{} should return a new hash populated with the given elements" do - h = {a: 'a', 'b' => 3, 44 => 2.3} - h.size.should == 3 - h.should == {a: "a", "b" => 3, 44 => 2.3} - end - - it "treats empty expressions as nils" do - h = {() => ()} - h.keys.should == [nil] - h.values.should == [nil] - h[nil].should == nil - - h = {() => :value} - h.keys.should == [nil] - h.values.should == [:value] - h[nil].should == :value - - h = {key: ()} - h.keys.should == [:key] - h.values.should == [nil] - h[:key].should == nil - end - - it "freezes string keys on initialization" do - key = "foo" - h = {key => "bar"} - key.reverse! - h["foo"].should == "bar" - h.keys.first.should == "foo" - h.keys.first.frozen?.should == true - key.should == "oof" - end - - it "checks duplicated keys on initialization" do - -> { - @h = eval "{foo: :bar, foo: :foo}" - }.should complain(/key :foo is duplicated|duplicated key/) - @h.keys.size.should == 1 - @h.should == {foo: :foo} - end - - it "accepts a hanging comma" do - h = {a: 1, b: 2,} - h.size.should == 2 - h.should == {a: 1, b: 2} - end - - it "recognizes '=' at the end of the key" do - eval("{:a==>1}").should == {:"a=" => 1} - eval("{:a= =>1}").should == {:"a=" => 1} - eval("{:a= => 1}").should == {:"a=" => 1} - end - - it "with '==>' in the middle raises SyntaxError" do - lambda { eval("{:a ==> 1}") }.should raise_error(SyntaxError) - end - - it "constructs a new hash with the given elements" do - {foo: 123}.should == {foo: 123} - h = {rbx: :cool, specs: 'fail_sometimes'} - {rbx: :cool, specs: 'fail_sometimes'}.should == h - end - - it "ignores a hanging comma" do - {foo: 123,}.should == {foo: 123} - h = {rbx: :cool, specs: 'fail_sometimes'} - {rbx: :cool, specs: 'fail_sometimes',}.should == h - end - - it "accepts mixed 'key: value' and 'key => value' syntax" do - h = {:a => 1, :b => 2, "c" => 3} - {a: 1, b: 2, "c" => 3}.should == h - end - - it "accepts mixed 'key: value', 'key => value' and '\"key\"': value' syntax" do - h = {:a => 1, :b => 2, "c" => 3, :d => 4} - eval('{a: 1, :b => 2, "c" => 3, "d": 4}').should == h - end - - it "expands an '**{}' element into the containing Hash literal initialization" do - {a: 1, **{b: 2}, c: 3}.should == {a: 1, b: 2, c: 3} - end - - it "expands an '**obj' element into the containing Hash literal initialization" do - h = {b: 2, c: 3} - {**h, a: 1}.should == {b: 2, c: 3, a: 1} - {a: 1, **h}.should == {a: 1, b: 2, c: 3} - {a: 1, **h, c: 4}.should == {a: 1, b: 2, c: 4} - end - - it "expands a BasicObject using ** into the containing Hash literal initialization" do - h = BasicObject.new - def h.to_hash; {:b => 2, :c => 3}; end - {**h, a: 1}.should == {b: 2, c: 3, a: 1} - {a: 1, **h}.should == {a: 1, b: 2, c: 3} - {a: 1, **h, c: 4}.should == {a: 1, b: 2, c: 4} - end - - it "expands an '**{}' element with the last key/value pair taking precedence" do - -> { - @h = eval "{a: 1, **{a: 2, b: 3, c: 1}, c: 3}" - }.should complain(/key :a is duplicated|duplicated key/) - @h.should == {a: 2, b: 3, c: 3} - end - - it "merges multiple nested '**obj' in Hash literals" do - -> { - @h = eval "{a: 1, **{a: 2, **{b: 3, **{c: 4}}, **{d: 5}, }, **{d: 6}}" - }.should complain(/key :a is duplicated|duplicated key/) - @h.should == {a: 2, b: 3, c: 4, d: 6} - end - - it "calls #to_hash to expand an '**obj' element" do - obj = mock("hash splat") - obj.should_receive(:to_hash).and_return({b: 2, d: 4}) - - {a: 1, **obj, c: 3}.should == {a:1, b: 2, c: 3, d: 4} - end - - it "raises a TypeError if any splatted elements keys are not symbols" do - h = {1 => 2, b: 3} - lambda { {a: 1, **h} }.should raise_error(TypeError) - end - - it "raises a TypeError if #to_hash does not return a Hash" do - obj = mock("hash splat") - obj.should_receive(:to_hash).and_return(obj) - - lambda { {**obj} }.should raise_error(TypeError) - end - - it "does not change encoding of literal string keys during creation" do - ascii8bit_hash = HashStringsASCII8BIT.literal_hash - utf8_hash = HashStringsUTF8.literal_hash - usascii_hash = HashStringsUSASCII.literal_hash - - ascii8bit_hash.keys.first.encoding.should == Encoding::ASCII_8BIT - ascii8bit_hash.keys.first.should == utf8_hash.keys.first - utf8_hash.keys.first.encoding.should == Encoding::UTF_8 - utf8_hash.keys.first.should == usascii_hash.keys.first - usascii_hash.keys.first.encoding.should == Encoding::US_ASCII - end -end |