From 7a65a9fbe0cefdf504e7d735003065d8bb874f1e Mon Sep 17 00:00:00 2001
From: Alban Peignier
Date: Wed, 27 Dec 2017 21:23:07 +0100
Subject: Add Range#intersect?. Refs #5299

---
 spec/lib/range_ext_spec.rb | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'spec/lib')

diff --git a/spec/lib/range_ext_spec.rb b/spec/lib/range_ext_spec.rb
index cae637e47..eee488c91 100644
--- a/spec/lib/range_ext_spec.rb
+++ b/spec/lib/range_ext_spec.rb
@@ -1,6 +1,6 @@
 require 'range_ext'
 RSpec.describe Range do
-  context "intersection" do
+  describe "#intersection" do
     it "is nil (sic) for two distinct ranges" do
       expect( (1..2).intersection(3..4) ).to be_nil
     end
@@ -16,6 +16,32 @@ RSpec.describe Range do
     end
   end
 
+  describe "intersect?" do
+    it 'is true when the given range includes begin' do
+      expect( (2..4).intersect? (1..3) ).to be_truthy
+    end
+
+    it 'is true when the given range includes end' do
+      expect( (2..4).intersect? (3..5) ).to be_truthy
+    end
+
+    it 'is true when the given range includes both begin and end' do
+      expect( (2..4).intersect? (1..5) ).to be_truthy
+    end
+
+    it 'is true when the given range is the same' do
+      expect( (2..4).intersect? (2..4) ).to be_truthy
+    end
+
+    it 'is false when the given range is after' do
+      expect( (2..4).intersect? (5..7) ).to be_falsey
+    end
+
+    it 'is false when the given range is before' do
+      expect( (2..4).intersect? (0..2) ).to be_falsey
+    end
+  end
+
   context "remove" do
     it "is unchanged when the given range has no intersection" do
       expect( (1..2).remove(3..4) ).to eq 1..2
-- 
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