diff options
author | Jean Boussier <[email protected]> | 2024-09-05 20:00:32 +0200 |
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committer | Jean Boussier <[email protected]> | 2024-09-06 12:40:32 +0200 |
commit | bc85c8d8529b58c5c649f418ca549569ba348caa (patch) | |
tree | bc86e51e3a4f61406b6dff7aea4eec17d441150f /spec/ruby | |
parent | 214668fccbca2db14ce57797017b34acd86d4690 (diff) |
Implement Array#fetch_values
[Feature #20702]
Works the same way than `Hash#fetch_values` for for array.
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/11557
Diffstat (limited to 'spec/ruby')
-rw-r--r-- | spec/ruby/core/array/fetch_values_spec.rb | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/spec/ruby/core/array/fetch_values_spec.rb b/spec/ruby/core/array/fetch_values_spec.rb new file mode 100644 index 0000000000..559b6c2b2f --- /dev/null +++ b/spec/ruby/core/array/fetch_values_spec.rb @@ -0,0 +1,48 @@ +require_relative '../../spec_helper' +require_relative 'fixtures/classes' + +describe "Array#fetch_values" do + before :each do + @array = [:a, :b, :c] + end + + ruby_version_is "3.4" do + describe "with matched indexes" do + it "returns the values for indexes" do + @array.fetch_values(0).should == [:a] + @array.fetch_values(0, 2).should == [:a, :c] + end + + it "returns the values for indexes ordered in the order of the requested indexes" do + @array.fetch_values(2, 0).should == [:c, :a] + end + end + + describe "with unmatched indexes" do + it "raises a index error if no block is provided" do + -> { @array.fetch_values(0, 1, 44) }.should raise_error(IndexError) + end + + it "returns the default value from block" do + @array.fetch_values(44) { |index| "`#{index}' is not found" }.should == ["`44' is not found"] + @array.fetch_values(0, 44) { |index| "`#{index}' is not found" }.should == [:a, "`44' is not found"] + end + end + + describe "without keys" do + it "returns an empty Array" do + @array.fetch_values.should == [] + end + end + + it "tries to convert the passed argument to an Integer using #to_int" do + obj = mock('to_int') + obj.should_receive(:to_int).and_return(2) + @array.fetch_values(obj).should == [:c] + end + + it "raises a TypeError when the passed argument can't be coerced to Integer" do + -> { [].fetch_values("cat") }.should raise_error(TypeError) + end + end +end |