1 files changed, 43 insertions, 0 deletions
diff --git a/test/matrix/test_vector.rb b/test/matrix/test_vector.rb
new file mode 100644
index 0000000000..d8f5c778c3
--- /dev/null
+++ b/test/matrix/test_vector.rb
@@ -0,0 +1,43 @@
+require 'test/unit'
+require 'matrix'
+
+class TestVector < Test::Unit::TestCase
+  def setup
+    @v1 = Vector[1,2,3]
+    @v2 = Vector[1,2,3]
+    @v3 = @v1.clone
+    @v4 = Vector[1,0, 2.0, 3.0]
+    @w1 = Vector[2,3,4]
+  end
+
+  def test_identity
+    assert_same @v1, @v1
+    assert_not_same @v1, @v2
+    assert_not_same @v1, @v3
+    assert_not_same @v1, @v4
+    assert_not_same @v1, @w1
+  end
+
+  def test_equality
+    assert_equal @v1, @v1
+    assert_equal @v1, @v2
+    assert_equal @v1, @v3
+    assert_not_equal @v1, @v4
+    assert_not_equal @v1, @w1
+  end
+
+  def test_hash_equality
+    assert @v1.eql?(@v1)
+    assert @v1.eql?(@v2)
+    assert @v1.eql?(@v3)
+    assert !@v1.eql?(@v4)
+    assert !@v1.eql?(@w1)
+
+    hash = { @v1 => :value }
+    assert hash.key?(@v1)
+    assert hash.key?(@v2)
+    assert hash.key?(@v3)
+    assert !hash.key?(@v4)
+    assert !hash.key?(@w1)
+  end
+end