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Diffstat (limited to 'spec/ruby/core/integer/bit_or_spec.rb')
-rw-r--r--spec/ruby/core/integer/bit_or_spec.rb33
1 files changed, 27 insertions, 6 deletions
diff --git a/spec/ruby/core/integer/bit_or_spec.rb b/spec/ruby/core/integer/bit_or_spec.rb
index e486eeec10..fdf8a191e5 100644
--- a/spec/ruby/core/integer/bit_or_spec.rb
+++ b/spec/ruby/core/integer/bit_or_spec.rb
@@ -7,13 +7,34 @@ describe "Integer#|" do
(5 | 4).should == 5
(5 | 6).should == 7
(248 | 4096).should == 4344
- (0xffff | bignum_value + 0xf0f0).should == 0x8000_0000_0000_ffff
+ (0xffff | bignum_value + 0xf0f0).should == 0x1_0000_0000_0000_ffff
+ end
+
+ it "returns self bitwise OR other when one operand is negative" do
+ ((1 << 33) | -1).should == -1
+ (-1 | (1 << 33)).should == -1
+
+ ((-(1<<33)-1) | 5).should == -8589934593
+ (5 | (-(1<<33)-1)).should == -8589934593
+ end
+
+ it "returns self bitwise OR other when both operands are negative" do
+ (-5 | -1).should == -1
+ (-3 | -4).should == -3
+ (-12 | -13).should == -9
+ (-13 | -12).should == -9
end
it "returns self bitwise OR a bignum" do
(-1 | 2**64).should == -1
end
+ it "coerces the rhs and calls #coerce" do
+ obj = mock("fixnum bit or")
+ obj.should_receive(:coerce).with(6).and_return([6, 3])
+ (6 | obj).should == 7
+ end
+
it "raises a TypeError when passed a Float" do
-> { (3 | 3.4) }.should raise_error(TypeError)
end
@@ -32,20 +53,20 @@ describe "Integer#|" do
end
it "returns self bitwise OR other" do
- (@bignum | 2).should == 9223372036854775819
- (@bignum | 9).should == 9223372036854775819
- (@bignum | bignum_value).should == 9223372036854775819
+ (@bignum | 2).should == 18446744073709551627
+ (@bignum | 9).should == 18446744073709551627
+ (@bignum | bignum_value).should == 18446744073709551627
end
it "returns self bitwise OR other when one operand is negative" do
- (@bignum | -0x40000000000000000).should == -64563604257983430645
+ (@bignum | -0x40000000000000000).should == -55340232221128654837
(@bignum | -@bignum).should == -1
(@bignum | -0x8000000000000000).should == -9223372036854775797
end
it "returns self bitwise OR other when both operands are negative" do
(-@bignum | -0x4000000000000005).should == -1
- (-@bignum | -@bignum).should == -9223372036854775819
+ (-@bignum | -@bignum).should == -18446744073709551627
(-@bignum | -0x4000000000000000).should == -11
end