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author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-01-29 16:08:16 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-01-29 16:08:16 +0000 |
commit | 3fa5bd38af50fb3d98de0ea51043d73f8d06a24b (patch) | |
tree | d473b71cc6925ee1e17727215e9f9a66e3f24802 /spec/ruby/core/integer/divide_spec.rb | |
parent | 1e658d45e1f8dbadab18f9c35b5cfb5a5fec98bf (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/divide_spec.rb')
-rw-r--r-- | spec/ruby/core/integer/divide_spec.rb | 93 |
1 files changed, 91 insertions, 2 deletions
diff --git a/spec/ruby/core/integer/divide_spec.rb b/spec/ruby/core/integer/divide_spec.rb index 6c81d5474f..c49b4b0d4a 100644 --- a/spec/ruby/core/integer/divide_spec.rb +++ b/spec/ruby/core/integer/divide_spec.rb @@ -1,7 +1,96 @@ require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../shared/arithmetic_exception_in_coerce', __FILE__) +require File.expand_path('../shared/arithmetic_coerce', __FILE__) describe "Integer#/" do - it_behaves_like :integer_arithmetic_exception_in_coerce, :/ + ruby_version_is "2.4"..."2.5" do + it_behaves_like :integer_arithmetic_coerce_rescue, :/ + end + + ruby_version_is "2.5" do + it_behaves_like :integer_arithmetic_coerce_not_rescue, :/ + end + + context "fixnum" do + it "returns self divided by the given argument" do + (2 / 2).should == 1 + (3 / 2).should == 1 + end + + it "supports dividing negative numbers" do + (-1 / 10).should == -1 + end + + it "returns result the same class as the argument" do + (3 / 2).should == 1 + (3 / 2.0).should == 1.5 + (3 / Rational(2, 1)).should == Rational(3, 2) + end + + it "raises a ZeroDivisionError if the given argument is zero and not a Float" do + lambda { 1 / 0 }.should raise_error(ZeroDivisionError) + end + + it "does NOT raise ZeroDivisionError if the given argument is zero and is a Float" do + (1 / 0.0).to_s.should == 'Infinity' + (-1 / 0.0).to_s.should == '-Infinity' + end + + it "coerces fixnum and return self divided by other" do + (-1 / 50.4).should be_close(-0.0198412698412698, TOLERANCE) + (1 / bignum_value).should == 0 + end + + it "raises a TypeError when given a non-Integer" do + lambda { 13 / mock('10') }.should raise_error(TypeError) + lambda { 13 / "10" }.should raise_error(TypeError) + lambda { 13 / :symbol }.should raise_error(TypeError) + end + end + + context "bignum" do + before :each do + @bignum = bignum_value(88) + end + + it "returns self divided by other" do + (@bignum / 4).should == 2305843009213693974 + + (@bignum / bignum_value(2)).should == 1 + + (-(10**50) / -(10**40 + 1)).should == 9999999999 + ((10**50) / (10**40 + 1)).should == 9999999999 + + ((-10**50) / (10**40 + 1)).should == -10000000000 + ((10**50) / -(10**40 + 1)).should == -10000000000 + end + + it "returns self divided by Float" do + not_supported_on :opal do + (bignum_value(88) / 4294967295.0).should be_close(2147483648.5, TOLERANCE) + end + (bignum_value(88) / 4294967295.5).should be_close(2147483648.25, TOLERANCE) + end + + it "returns result the same class as the argument" do + (@bignum / 4).should == 2305843009213693974 + (@bignum / 4.0).should be_close(2305843009213693974, TOLERANCE) + (@bignum / Rational(4, 1)).should == Rational(2305843009213693974, 1) + end + + it "does NOT raise ZeroDivisionError if other is zero and is a Float" do + (bignum_value / 0.0).to_s.should == 'Infinity' + (bignum_value / -0.0).to_s.should == '-Infinity' + end + + it "raises a ZeroDivisionError if other is zero and not a Float" do + lambda { @bignum / 0 }.should raise_error(ZeroDivisionError) + end + + it "raises a TypeError when given a non-numeric" do + lambda { @bignum / mock('10') }.should raise_error(TypeError) + lambda { @bignum / "2" }.should raise_error(TypeError) + lambda { @bignum / :symbol }.should raise_error(TypeError) + end + end end |