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-rw-r--r--spec/ruby/core/fixnum/right_shift_spec.rb91
1 files changed, 0 insertions, 91 deletions
diff --git a/spec/ruby/core/fixnum/right_shift_spec.rb b/spec/ruby/core/fixnum/right_shift_spec.rb
deleted file mode 100644
index 9a221ddbe7..0000000000
--- a/spec/ruby/core/fixnum/right_shift_spec.rb
+++ /dev/null
@@ -1,91 +0,0 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-
-describe "Fixnum#>> with n >> m" do
- it "returns n shifted right m bits when n > 0, m > 0" do
- (2 >> 1).should == 1
- end
-
- it "returns n shifted right m bits when n < 0, m > 0" do
- (-2 >> 1).should == -1
- (-7 >> 1).should == -4
- (-42 >> 2).should == -11
- end
-
- it "returns n shifted left m bits when n > 0, m < 0" do
- (1 >> -1).should == 2
- end
-
- it "returns n shifted left m bits when n < 0, m < 0" do
- (-1 >> -1).should == -2
- end
-
- it "returns 0 when n == 0" do
- (0 >> 1).should == 0
- end
-
- it "returns n when n > 0, m == 0" do
- (1 >> 0).should == 1
- end
-
- it "returns n when n < 0, m == 0" do
- (-1 >> 0).should == -1
- end
-
- it "returns 0 when n > 0, m > 0 and n < 2**m" do
- (3 >> 2).should == 0
- (7 >> 3).should == 0
- (127 >> 7).should == 0
-
- # To make sure the exponent is not truncated
- (7 >> 32).should == 0
- (7 >> 64).should == 0
- end
-
- it "returns -1 when n < 0, m > 0 and n > -(2**m)" do
- (-3 >> 2).should == -1
- (-7 >> 3).should == -1
- (-127 >> 7).should == -1
-
- # To make sure the exponent is not truncated
- (-7 >> 32).should == -1
- (-7 >> 64).should == -1
- end
-
- it "returns 0 when m is a Bignum" do
- (3 >> bignum_value).should == 0
- end
-
- it "returns a Bignum == fixnum_max * 2 when fixnum_max >> -1 and n > 0" do
- result = fixnum_max >> -1
- result.should be_an_instance_of(Bignum)
- result.should == fixnum_max * 2
- end
-
- it "returns a Bignum == fixnum_min * 2 when fixnum_min >> -1 and n < 0" do
- result = fixnum_min >> -1
- result.should be_an_instance_of(Bignum)
- result.should == fixnum_min * 2
- end
-
- it "calls #to_int to convert the argument to an Integer" do
- obj = mock("2")
- obj.should_receive(:to_int).and_return(2)
-
- (8 >> obj).should == 2
- end
-
- it "raises a TypeError when #to_int does not return an Integer" do
- obj = mock("a string")
- obj.should_receive(:to_int).and_return("asdf")
-
- lambda { 3 >> obj }.should raise_error(TypeError)
- end
-
- it "raises a TypeError when passed nil" do
- lambda { 3 >> nil }.should raise_error(TypeError)
- end
-
- it "raises a TypeError when passed a String" do
- lambda { 3 >> "4" }.should raise_error(TypeError)
- end
-end