aboutsummaryrefslogtreecommitdiffstats
path: root/spec/ruby/core/array/take_spec.rb
diff options
context:
space:
mode:
Diffstat (limited to 'spec/ruby/core/array/take_spec.rb')
-rw-r--r--spec/ruby/core/array/take_spec.rb27
1 files changed, 27 insertions, 0 deletions
diff --git a/spec/ruby/core/array/take_spec.rb b/spec/ruby/core/array/take_spec.rb
new file mode 100644
index 0000000000..6ba87706cf
--- /dev/null
+++ b/spec/ruby/core/array/take_spec.rb
@@ -0,0 +1,27 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Array#take" do
+ it "returns the first specified number of elements" do
+ [1, 2, 3].take(2).should == [1, 2]
+ end
+
+ it "returns all elements when the argument is greater than the Array size" do
+ [1, 2].take(99).should == [1, 2]
+ end
+
+ it "returns all elements when the argument is less than the Array size" do
+ [1, 2].take(4).should == [1, 2]
+ end
+
+ it "returns an empty Array when passed zero" do
+ [1].take(0).should == []
+ end
+
+ it "returns an empty Array when called on an empty Array" do
+ [].take(3).should == []
+ end
+
+ it "raises an ArgumentError when the argument is negative" do
+ lambda{ [1].take(-3) }.should raise_error(ArgumentError)
+ end
+end