1 files changed, 57 insertions, 0 deletions
diff --git a/spec/rubyspec/core/enumerable/none_spec.rb b/spec/rubyspec/core/enumerable/none_spec.rb
new file mode 100644
index 0000000000..0646c13b34
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+++ b/spec/rubyspec/core/enumerable/none_spec.rb
@@ -0,0 +1,57 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Enumerable#none?" do
+  it "returns true if none of the elements in self are true" do
+    e = EnumerableSpecs::Numerous.new(false, nil, false)
+    e.none?.should be_true
+  end
+
+  it "returns false if at least one of the elements in self are true" do
+    e = EnumerableSpecs::Numerous.new(false, nil, true, false)
+    e.none?.should be_false
+  end
+
+  it "gathers whole arrays as elements when each yields multiple" do
+    multi = EnumerableSpecs::YieldsMultiWithFalse.new
+    multi.none?.should be_false
+  end
+end
+
+describe "Enumerable#none? with a block" do
+  before :each do
+    @e = EnumerableSpecs::Numerous.new(1,1,2,3,4)
+  end
+
+  it "passes each element to the block in turn until it returns true" do
+    acc = []
+    @e.none? {|e| acc << e; false }
+    acc.should == [1,1,2,3,4]
+  end
+
+  it "stops passing elements to the block when it returns true" do
+    acc = []
+    @e.none? {|e| acc << e; e == 3 ? true : false }
+    acc.should == [1,1,2,3]
+  end
+
+  it "returns true if the block never returns true" do
+    @e.none? {|e| false }.should be_true
+  end
+
+  it "returns false if the block ever returns true" do
+    @e.none? {|e| e == 3 ? true : false }.should be_false
+  end
+
+  it "gathers initial args as elements when each yields multiple" do
+    multi = EnumerableSpecs::YieldsMulti.new
+    multi.none? {|e| e == [1, 2] }.should be_true
+  end
+
+  it "yields multiple arguments when each yields multiple" do
+    multi = EnumerableSpecs::YieldsMulti.new
+    yielded = []
+    multi.none? {|e, i| yielded << [e, i] }
+    yielded.should == [[1, 2]]
+  end
+end