1 files changed, 47 insertions, 0 deletions
diff --git a/spec/ruby/core/bignum/bit_xor_spec.rb b/spec/ruby/core/bignum/bit_xor_spec.rb
new file mode 100644
index 0000000000..ef4b4e6ae3
--- /dev/null
+++ b/spec/ruby/core/bignum/bit_xor_spec.rb
@@ -0,0 +1,47 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Bignum#^" do
+  before :each do
+    @bignum = bignum_value(18)
+  end
+
+  it "returns self bitwise EXCLUSIVE OR other" do
+    (@bignum ^ 2).should == 9223372036854775824
+    (@bignum ^ @bignum).should == 0
+    (@bignum ^ 14).should == 9223372036854775836
+  end
+
+  it "returns self bitwise EXCLUSIVE OR other when one operand is negative" do
+    (@bignum ^ -0x40000000000000000).should == -64563604257983430638
+    (@bignum ^ -@bignum).should == -4
+    (@bignum ^ -0x8000000000000000).should == -18446744073709551598
+  end
+
+  it "returns self bitwise EXCLUSIVE OR other when both operands are negative" do
+    (-@bignum ^ -0x40000000000000000).should == 64563604257983430638
+    (-@bignum ^ -@bignum).should == 0
+    (-@bignum ^ -0x4000000000000000).should == 13835058055282163694
+  end
+
+  it "returns self bitwise EXCLUSIVE OR other when all bits are 1 and other value is negative" do
+    (9903520314283042199192993791 ^ -1).should == -9903520314283042199192993792
+    (784637716923335095479473677900958302012794430558004314111 ^ -1).should ==
+      -784637716923335095479473677900958302012794430558004314112
+  end
+
+  it "raises a TypeError when passed a Float" do
+    not_supported_on :opal do
+      lambda {
+        bignum_value ^ bignum_value(0xffff).to_f
+      }.should raise_error(TypeError)
+    end
+    lambda { @bignum ^ 14.5 }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError and does not call #to_int when defined on an object" do
+    obj = mock("bignum bit xor")
+    obj.should_not_receive(:to_int)
+
+    lambda { @bignum ^ obj }.should raise_error(TypeError)
+  end
+end