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authorJean Boussier <[email protected]>2024-09-05 20:00:32 +0200
committerJean Boussier <[email protected]>2024-09-06 12:40:32 +0200
commitbc85c8d8529b58c5c649f418ca549569ba348caa (patch)
treebc86e51e3a4f61406b6dff7aea4eec17d441150f /spec/ruby
parent214668fccbca2db14ce57797017b34acd86d4690 (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.rb48
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