summaryrefslogtreecommitdiff
path: root/spec/ruby/core/hash/to_proc_spec.rb
diff options
context:
space:
mode:
Diffstat (limited to 'spec/ruby/core/hash/to_proc_spec.rb')
-rw-r--r--spec/ruby/core/hash/to_proc_spec.rb124
1 files changed, 63 insertions, 61 deletions
diff --git a/spec/ruby/core/hash/to_proc_spec.rb b/spec/ruby/core/hash/to_proc_spec.rb
index b486d188b7..bc4756600d 100644
--- a/spec/ruby/core/hash/to_proc_spec.rb
+++ b/spec/ruby/core/hash/to_proc_spec.rb
@@ -1,89 +1,91 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "Hash#to_proc" do
+ before :each do
+ @key = Object.new
+ @value = Object.new
+ @hash = { @key => @value }
+ @default = Object.new
+ @unstored = Object.new
+ end
+
+ it "returns an instance of Proc" do
+ @hash.to_proc.should.instance_of? Proc
+ end
-ruby_version_is "2.3" do
- describe "Hash#to_proc" do
+ describe "the returned proc" do
before :each do
- @key = Object.new
- @value = Object.new
- @hash = { @key => @value }
- @default = Object.new
- @unstored = Object.new
+ @proc = @hash.to_proc
end
- it "returns an instance of Proc" do
- @hash.to_proc.should be_an_instance_of Proc
+ it "is a lambda" do
+ @proc.should.lambda?
end
- describe "the returned proc" do
- before :each do
- @proc = @hash.to_proc
- end
+ it "has an arity of 1" do
+ @proc.arity.should == 1
+ end
- it "is not a lambda" do
- @proc.lambda?.should == false
- end
+ it "raises ArgumentError if not passed exactly one argument" do
+ -> {
+ @proc.call
+ }.should.raise(ArgumentError)
- it "raises ArgumentError if not passed exactly one argument" do
- lambda {
- @proc.call
- }.should raise_error(ArgumentError)
+ -> {
+ @proc.call 1, 2
+ }.should.raise(ArgumentError)
+ end
- lambda {
- @proc.call 1, 2
- }.should raise_error(ArgumentError)
+ context "with a stored key" do
+ it "returns the paired value" do
+ @proc.call(@key).should.equal?(@value)
end
+ end
- context "with a stored key" do
- it "returns the paired value" do
- @proc.call(@key).should equal(@value)
- end
+ context "passed as a block" do
+ it "retrieves the hash's values" do
+ [@key].map(&@proc)[0].should.equal?(@value)
end
- context "passed as a block" do
- it "retrieves the hash's values" do
- [@key].map(&@proc)[0].should equal(@value)
- end
-
- context "to instance_exec" do
- it "always retrieves the original hash's values" do
- hash = {foo: 1, bar: 2}
- proc = hash.to_proc
+ context "to instance_exec" do
+ it "always retrieves the original hash's values" do
+ hash = {foo: 1, bar: 2}
+ proc = hash.to_proc
- hash.instance_exec(:foo, &proc).should == 1
+ hash.instance_exec(:foo, &proc).should == 1
- hash2 = {quux: 1}
- hash2.instance_exec(:foo, &proc).should == 1
- end
+ hash2 = {quux: 1}
+ hash2.instance_exec(:foo, &proc).should == 1
end
end
+ end
- context "with no stored key" do
- it "returns nil" do
- @proc.call(@unstored).should be_nil
- end
-
- context "when the hash has a default value" do
- before :each do
- @hash.default = @default
- end
+ context "with no stored key" do
+ it "returns nil" do
+ @proc.call(@unstored).should == nil
+ end
- it "returns the default value" do
- @proc.call(@unstored).should equal(@default)
- end
+ context "when the hash has a default value" do
+ before :each do
+ @hash.default = @default
end
- context "when the hash has a default proc" do
- it "returns an evaluated value from the default proc" do
- @hash.default_proc = -> hash, called_with { [hash.keys, called_with] }
- @proc.call(@unstored).should == [[@key], @unstored]
- end
+ it "returns the default value" do
+ @proc.call(@unstored).should.equal?(@default)
end
end
- it "raises an ArgumentError when calling #call on the Proc with no arguments" do
- lambda { @hash.to_proc.call }.should raise_error(ArgumentError)
+ context "when the hash has a default proc" do
+ it "returns an evaluated value from the default proc" do
+ @hash.default_proc = -> hash, called_with { [hash.keys, called_with] }
+ @proc.call(@unstored).should == [[@key], @unstored]
+ end
end
end
+
+ it "raises an ArgumentError when calling #call on the Proc with no arguments" do
+ -> { @hash.to_proc.call }.should.raise(ArgumentError)
+ end
end
end