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authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-01-29 16:08:16 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2018-01-29 16:08:16 +0000
commit3fa5bd38af50fb3d98de0ea51043d73f8d06a24b (patch)
treed473b71cc6925ee1e17727215e9f9a66e3f24802 /spec/ruby/core/integer/shared/modulo.rb
parent1e658d45e1f8dbadab18f9c35b5cfb5a5fec98bf (diff)
Update to ruby/spec@83063a3
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62094 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/core/integer/shared/modulo.rb')
-rw-r--r--spec/ruby/core/integer/shared/modulo.rb74
1 files changed, 74 insertions, 0 deletions
diff --git a/spec/ruby/core/integer/shared/modulo.rb b/spec/ruby/core/integer/shared/modulo.rb
new file mode 100644
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+++ b/spec/ruby/core/integer/shared/modulo.rb
@@ -0,0 +1,74 @@
+describe :integer_modulo, shared: true do
+ context "fixnum" do
+ it "returns the modulus obtained from dividing self by the given argument" do
+ 13.send(@method, 4).should == 1
+ 4.send(@method, 13).should == 4
+
+ 13.send(@method, 4.0).should == 1
+ 4.send(@method, 13.0).should == 4
+
+ (-200).send(@method, 256).should == 56
+ (-1000).send(@method, 512).should == 24
+
+ (-200).send(@method, -256).should == -200
+ (-1000).send(@method, -512).should == -488
+
+ (200).send(@method, -256).should == -56
+ (1000).send(@method, -512).should == -24
+
+ 1.send(@method, 2.0).should == 1.0
+ 200.send(@method, bignum_value).should == 200
+ end
+
+ it "raises a ZeroDivisionError when the given argument is 0" do
+ lambda { 13.send(@method, 0) }.should raise_error(ZeroDivisionError)
+ lambda { 0.send(@method, 0) }.should raise_error(ZeroDivisionError)
+ lambda { -10.send(@method, 0) }.should raise_error(ZeroDivisionError)
+ end
+
+ it "raises a ZeroDivisionError when the given argument is 0 and a Float" do
+ lambda { 0.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
+ lambda { 10.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
+ lambda { -10.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
+ end
+
+ it "raises a TypeError when given a non-Integer" do
+ lambda {
+ (obj = mock('10')).should_receive(:to_int).any_number_of_times.and_return(10)
+ 13.send(@method, obj)
+ }.should raise_error(TypeError)
+ lambda { 13.send(@method, "10") }.should raise_error(TypeError)
+ lambda { 13.send(@method, :symbol) }.should raise_error(TypeError)
+ end
+ end
+
+ context "bignum" do
+ before :each do
+ @bignum = bignum_value
+ end
+
+ it "returns the modulus obtained from dividing self by the given argument" do
+ @bignum.send(@method, 5).should == 3
+ @bignum.send(@method, -5).should == -2
+ @bignum.send(@method, -100).should == -92
+ @bignum.send(@method, 2.22).should be_close(0.780180180180252, TOLERANCE)
+ @bignum.send(@method, bignum_value(10)).should == 9223372036854775808
+ end
+
+ it "raises a ZeroDivisionError when the given argument is 0" do
+ lambda { @bignum.send(@method, 0) }.should raise_error(ZeroDivisionError)
+ lambda { (-@bignum).send(@method, 0) }.should raise_error(ZeroDivisionError)
+ end
+
+ it "raises a ZeroDivisionError when the given argument is 0 and a Float" do
+ lambda { @bignum.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
+ lambda { -@bignum.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
+ end
+
+ it "raises a TypeError when given a non-Integer" do
+ lambda { @bignum.send(@method, mock('10')) }.should raise_error(TypeError)
+ lambda { @bignum.send(@method, "10") }.should raise_error(TypeError)
+ lambda { @bignum.send(@method, :symbol) }.should raise_error(TypeError)
+ end
+ end
+end