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author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-04-28 19:50:06 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-04-28 19:50:06 +0000 |
commit | 4fbb9aa3cb6c31ec128bfb31f59efa66d66adba4 (patch) | |
tree | 84a654b260261fe172f2584f60b3ba93e59f841d /spec/ruby/core/array/dig_spec.rb | |
parent | b864bd05bff2a61d55b08deb92e969f9fa55e07c (diff) | |
download | ruby-4fbb9aa3cb6c31ec128bfb31f59efa66d66adba4.tar.gz |
Update to ruby/spec@6f38a82
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63293 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/core/array/dig_spec.rb')
-rw-r--r-- | spec/ruby/core/array/dig_spec.rb | 96 |
1 files changed, 47 insertions, 49 deletions
diff --git a/spec/ruby/core/array/dig_spec.rb b/spec/ruby/core/array/dig_spec.rb index 0a47eb0b13..1ace4893ee 100644 --- a/spec/ruby/core/array/dig_spec.rb +++ b/spec/ruby/core/array/dig_spec.rb @@ -1,54 +1,52 @@ require_relative '../../spec_helper' -ruby_version_is '2.3' do - describe "Array#dig" do - - it "returns #at with one arg" do - ['a'].dig(0).should == 'a' - ['a'].dig(1).should be_nil - end - - it "recurses array elements" do - a = [ [ 1, [2, '3'] ] ] - a.dig(0, 0).should == 1 - a.dig(0, 1, 1).should == '3' - a.dig(0, -1, 0).should == 2 - end - - it "returns the nested value specified if the sequence includes a key" do - a = [42, { foo: :bar }] - a.dig(1, :foo).should == :bar - end - - it "raises a TypeError for a non-numeric index" do - lambda { - ['a'].dig(:first) - }.should raise_error(TypeError) - end - - it "raises a TypeError if any intermediate step does not respond to #dig" do - a = [1, 2] - lambda { - a.dig(0, 1) - }.should raise_error(TypeError) - end - - it "raises an ArgumentError if no arguments provided" do - lambda { - [10].dig() - }.should raise_error(ArgumentError) - end - - it "returns nil if any intermediate step is nil" do - a = [[1, [2, 3]]] - a.dig(1, 2, 3).should == nil - end - - it "calls #dig on the result of #at with the remaining arguments" do - h = [[nil, [nil, nil, 42]]] - h[0].should_receive(:dig).with(1, 2).and_return(42) - h.dig(0, 1, 2).should == 42 - end +describe "Array#dig" do + it "returns #at with one arg" do + ['a'].dig(0).should == 'a' + ['a'].dig(1).should be_nil end + + it "recurses array elements" do + a = [ [ 1, [2, '3'] ] ] + a.dig(0, 0).should == 1 + a.dig(0, 1, 1).should == '3' + a.dig(0, -1, 0).should == 2 + end + + it "returns the nested value specified if the sequence includes a key" do + a = [42, { foo: :bar }] + a.dig(1, :foo).should == :bar + end + + it "raises a TypeError for a non-numeric index" do + lambda { + ['a'].dig(:first) + }.should raise_error(TypeError) + end + + it "raises a TypeError if any intermediate step does not respond to #dig" do + a = [1, 2] + lambda { + a.dig(0, 1) + }.should raise_error(TypeError) + end + + it "raises an ArgumentError if no arguments provided" do + lambda { + [10].dig() + }.should raise_error(ArgumentError) + end + + it "returns nil if any intermediate step is nil" do + a = [[1, [2, 3]]] + a.dig(1, 2, 3).should == nil + end + + it "calls #dig on the result of #at with the remaining arguments" do + h = [[nil, [nil, nil, 42]]] + h[0].should_receive(:dig).with(1, 2).and_return(42) + h.dig(0, 1, 2).should == 42 + end + end |