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-rw-r--r--spec/ruby/shared/rational/Rational.rb57
-rw-r--r--spec/ruby/shared/rational/coerce.rb34
-rw-r--r--spec/ruby/shared/rational/divmod.rb4
-rw-r--r--spec/ruby/shared/rational/exponent.rb8
-rw-r--r--spec/ruby/shared/rational/marshal_dump.rb5
-rw-r--r--spec/ruby/shared/rational/marshal_load.rb5
-rw-r--r--spec/ruby/shared/rational/minus.rb48
-rw-r--r--spec/ruby/shared/rational/quo.rb5
-rw-r--r--spec/ruby/shared/rational/to_f.rb6
-rw-r--r--spec/ruby/shared/rational/truncate.rb26
10 files changed, 71 insertions, 127 deletions
diff --git a/spec/ruby/shared/rational/Rational.rb b/spec/ruby/shared/rational/Rational.rb
index 936a90c086..500f7ed271 100644
--- a/spec/ruby/shared/rational/Rational.rb
+++ b/spec/ruby/shared/rational/Rational.rb
@@ -65,40 +65,45 @@ describe :kernel_Rational, shared: true do
r_s.should == r
r_s.should_not == f_r
end
+ end
- describe "when passed a Numeric" do
- it "calls #to_r to convert the first argument to a Rational" do
- num = RationalSpecs::SubNumeric.new(2)
+ describe "when passed a Numeric" do
+ it "calls #to_r to convert the first argument to a Rational" do
+ num = RationalSpecs::SubNumeric.new(2)
- Rational(num).should == Rational(2)
- end
+ Rational(num).should == Rational(2)
end
+ end
- describe "when passed a Complex" do
- it "returns a Rational from the real part if the imaginary part is 0" do
- Rational(Complex(1, 0)).should == Rational(1)
- end
-
- it "raises a RangeError if the imaginary part is not 0" do
- -> { Rational(Complex(1, 2)) }.should raise_error(RangeError)
- end
+ describe "when passed a Complex" do
+ it "returns a Rational from the real part if the imaginary part is 0" do
+ Rational(Complex(1, 0)).should == Rational(1)
end
- it "raises a TypeError if the first argument is nil" do
- -> { Rational(nil) }.should raise_error(TypeError)
+ it "raises a RangeError if the imaginary part is not 0" do
+ -> { Rational(Complex(1, 2)) }.should raise_error(RangeError)
end
+ end
- it "raises a TypeError if the second argument is nil" do
- -> { Rational(1, nil) }.should raise_error(TypeError)
- end
+ it "raises a ZeroDivisionError if the second argument is 0" do
+ -> { Rational(1, 0) }.should raise_error(ZeroDivisionError, "divided by 0")
+ -> { Rational(1, 0.0) }.should raise_error(ZeroDivisionError, "divided by 0")
+ end
- it "raises a TypeError if the first argument is a Symbol" do
- -> { Rational(:sym) }.should raise_error(TypeError)
- end
+ it "raises a TypeError if the first argument is nil" do
+ -> { Rational(nil) }.should raise_error(TypeError)
+ end
- it "raises a TypeError if the second argument is a Symbol" do
- -> { Rational(1, :sym) }.should raise_error(TypeError)
- end
+ it "raises a TypeError if the second argument is nil" do
+ -> { Rational(1, nil) }.should raise_error(TypeError)
+ end
+
+ it "raises a TypeError if the first argument is a Symbol" do
+ -> { Rational(:sym) }.should raise_error(TypeError)
+ end
+
+ it "raises a TypeError if the second argument is a Symbol" do
+ -> { Rational(1, :sym) }.should raise_error(TypeError)
end
describe "when passed exception: false" do
@@ -138,4 +143,8 @@ describe :kernel_Rational, shared: true do
end
end
end
+
+ it "freezes its result" do
+ Rational(1).frozen?.should == true
+ end
end
diff --git a/spec/ruby/shared/rational/coerce.rb b/spec/ruby/shared/rational/coerce.rb
deleted file mode 100644
index ccc8901ba0..0000000000
--- a/spec/ruby/shared/rational/coerce.rb
+++ /dev/null
@@ -1,34 +0,0 @@
-require_relative '../../spec_helper'
-
-require 'bigdecimal'
-
-describe :rational_coerce, shared: true do
- it "returns the passed argument, self as Float, when given a Float" do
- result = Rational(3, 4).coerce(1.0)
- result.should == [1.0, 0.75]
- result.first.is_a?(Float).should be_true
- result.last.is_a?(Float).should be_true
- end
-
- it "returns the passed argument, self as Rational, when given an Integer" do
- result = Rational(3, 4).coerce(10)
- result.should == [Rational(10, 1), Rational(3, 4)]
- result.first.is_a?(Rational).should be_true
- result.last.is_a?(Rational).should be_true
- end
-
- it "coerces to Rational, when given a Complex" do
- Rational(3, 4).coerce(Complex(5)).should == [Rational(5, 1), Rational(3, 4)]
- Rational(12, 4).coerce(Complex(5, 1)).should == [Complex(5, 1), Complex(3)]
- end
-
- it "returns [argument, self] when given a Rational" do
- Rational(3, 7).coerce(Rational(9, 2)).should == [Rational(9, 2), Rational(3, 7)]
- end
-
- it "raises an error when passed a BigDecimal" do
- -> {
- Rational(500, 3).coerce(BigDecimal('166.666666666'))
- }.should raise_error(TypeError, /BigDecimal can't be coerced into Rational/)
- end
-end
diff --git a/spec/ruby/shared/rational/divmod.rb b/spec/ruby/shared/rational/divmod.rb
index 471cd7a967..9e23a18186 100644
--- a/spec/ruby/shared/rational/divmod.rb
+++ b/spec/ruby/shared/rational/divmod.rb
@@ -6,7 +6,7 @@ describe :rational_divmod_rat, shared: true do
Rational(7, 4).divmod(Rational(-1, 2)).should eql([-4, Rational(-1, 4)])
Rational(0, 4).divmod(Rational(4, 3)).should eql([0, Rational(0, 1)])
- Rational(bignum_value, 4).divmod(Rational(4, 3)).should eql([1729382256910270464, Rational(0, 1)])
+ Rational(bignum_value, 4).divmod(Rational(4, 3)).should eql([3458764513820540928, Rational(0, 1)])
end
it "raises a ZeroDivisionError when passed a Rational with a numerator of 0" do
@@ -19,7 +19,7 @@ describe :rational_divmod_int, shared: true do
Rational(7, 4).divmod(2).should eql([0, Rational(7, 4)])
Rational(7, 4).divmod(-2).should eql([-1, Rational(-1, 4)])
- Rational(bignum_value, 4).divmod(3).should == [768614336404564650, Rational(2, 1)]
+ Rational(bignum_value, 4).divmod(3).should eql([1537228672809129301, Rational(1, 1)])
end
it "raises a ZeroDivisionError when passed 0" do
diff --git a/spec/ruby/shared/rational/exponent.rb b/spec/ruby/shared/rational/exponent.rb
index 3fd02de08f..b0e9b23574 100644
--- a/spec/ruby/shared/rational/exponent.rb
+++ b/spec/ruby/shared/rational/exponent.rb
@@ -40,10 +40,10 @@ describe :rational_exponent, shared: true do
(Rational(-3, 4) ** -4).should == Rational(256, 81)
(Rational(3, -4) ** -4).should == Rational(256, 81)
- (Rational(bignum_value, 4) ** 4).should == Rational(28269553036454149273332760011886696253239742350009903329945699220681916416, 1)
- (Rational(3, bignum_value) ** -4).should == Rational(7237005577332262213973186563042994240829374041602535252466099000494570602496, 81)
- (Rational(-bignum_value, 4) ** -4).should == Rational(1, 28269553036454149273332760011886696253239742350009903329945699220681916416)
- (Rational(3, -bignum_value) ** -4).should == Rational(7237005577332262213973186563042994240829374041602535252466099000494570602496, 81)
+ (Rational(bignum_value, 4) ** 4).should == Rational(452312848583266388373324160190187140051835877600158453279131187530910662656, 1)
+ (Rational(3, bignum_value) ** -4).should == Rational(115792089237316195423570985008687907853269984665640564039457584007913129639936, 81)
+ (Rational(-bignum_value, 4) ** -4).should == Rational(1, 452312848583266388373324160190187140051835877600158453279131187530910662656)
+ (Rational(3, -bignum_value) ** -4).should == Rational(115792089237316195423570985008687907853269984665640564039457584007913129639936, 81)
end
# Guard against the Mathn library
diff --git a/spec/ruby/shared/rational/marshal_dump.rb b/spec/ruby/shared/rational/marshal_dump.rb
deleted file mode 100644
index 09782b45a5..0000000000
--- a/spec/ruby/shared/rational/marshal_dump.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-require_relative '../../spec_helper'
-
-describe :rational_marshal_dump, shared: true do
- it "needs to be reviewed for spec completeness"
-end
diff --git a/spec/ruby/shared/rational/marshal_load.rb b/spec/ruby/shared/rational/marshal_load.rb
deleted file mode 100644
index 20bdd6fdf4..0000000000
--- a/spec/ruby/shared/rational/marshal_load.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-require_relative '../../spec_helper'
-
-describe :rational_marshal_load, shared: true do
- it "needs to be reviewed for spec completeness"
-end
diff --git a/spec/ruby/shared/rational/minus.rb b/spec/ruby/shared/rational/minus.rb
deleted file mode 100644
index 0a0946fdb9..0000000000
--- a/spec/ruby/shared/rational/minus.rb
+++ /dev/null
@@ -1,48 +0,0 @@
-require_relative '../../spec_helper'
-
-describe :rational_minus_rat, shared: true do
- it "returns the result of subtracting other from self as a Rational" do
- (Rational(3, 4) - Rational(0, 1)).should eql(Rational(3, 4))
- (Rational(3, 4) - Rational(1, 4)).should eql(Rational(1, 2))
-
- (Rational(3, 4) - Rational(2, 1)).should eql(Rational(-5, 4))
- end
-end
-
-describe :rational_minus_int, shared: true do
- it "returns the result of subtracting other from self as a Rational" do
- (Rational(3, 4) - 1).should eql(Rational(-1, 4))
- (Rational(3, 4) - 2).should eql(Rational(-5, 4))
- end
-end
-
-describe :rational_minus_float, shared: true do
- it "returns the result of subtracting other from self as a Float" do
- (Rational(3, 4) - 0.2).should eql(0.55)
- (Rational(3, 4) - 2.5).should eql(-1.75)
- end
-end
-
-describe :rational_minus, shared: true do
- it "calls #coerce on the passed argument with self" do
- rational = Rational(3, 4)
- obj = mock("Object")
- obj.should_receive(:coerce).with(rational).and_return([1, 2])
-
- rational - obj
- end
-
- it "calls #- on the coerced Rational with the coerced Object" do
- rational = Rational(3, 4)
-
- coerced_rational = mock("Coerced Rational")
- coerced_rational.should_receive(:-).and_return(:result)
-
- coerced_obj = mock("Coerced Object")
-
- obj = mock("Object")
- obj.should_receive(:coerce).and_return([coerced_rational, coerced_obj])
-
- (rational - obj).should == :result
- end
-end
diff --git a/spec/ruby/shared/rational/quo.rb b/spec/ruby/shared/rational/quo.rb
deleted file mode 100644
index 53b32fed2f..0000000000
--- a/spec/ruby/shared/rational/quo.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-require_relative '../../spec_helper'
-
-describe :rational_quo, shared: true do
- it "needs to be reviewed for spec completeness"
-end
diff --git a/spec/ruby/shared/rational/to_f.rb b/spec/ruby/shared/rational/to_f.rb
index 56e0b61d68..472a585daa 100644
--- a/spec/ruby/shared/rational/to_f.rb
+++ b/spec/ruby/shared/rational/to_f.rb
@@ -7,4 +7,10 @@ describe :rational_to_f, shared: true do
Rational(-1, 4).to_f.should eql(-0.25)
Rational(-1, -4).to_f.should eql(0.25)
end
+
+ it "converts to a Float for large numerator and denominator" do
+ num = 1000000000000000000000000000000000048148248609680896326399448564623182963452541226153892315137780403285956264146010000000000000000000000000000000000048148248609680896326399448564623182963452541226153892315137780403285956264146010000000000000000000000000000000000048148248609680896326399448564623182963452541226153892315137780403285956264146009
+ den = 2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+ Rational(num, den).to_f.should == 500.0
+ end
end
diff --git a/spec/ruby/shared/rational/truncate.rb b/spec/ruby/shared/rational/truncate.rb
index 761dd3113a..df5198ca02 100644
--- a/spec/ruby/shared/rational/truncate.rb
+++ b/spec/ruby/shared/rational/truncate.rb
@@ -17,6 +17,18 @@ describe :rational_truncate, shared: true do
end
end
+ describe "with an explicit precision = 0" do
+ it "returns an integer" do
+ @rational.truncate(0).should be_kind_of(Integer)
+ end
+
+ it "returns the truncated value toward 0" do
+ @rational.truncate(0).should == 314
+ Rational(1, 2).truncate(0).should == 0
+ Rational(-1, 2).truncate(0).should == 0
+ end
+ end
+
describe "with a precision < 0" do
it "returns an integer" do
@rational.truncate(-2).should be_kind_of(Integer)
@@ -42,4 +54,18 @@ describe :rational_truncate, shared: true do
@rational.truncate(3).should == Rational(62857, 200)
end
end
+
+ describe "with an invalid value for precision" do
+ it "raises a TypeError" do
+ -> { @rational.truncate(nil) }.should raise_error(TypeError, "not an integer")
+ -> { @rational.truncate(1.0) }.should raise_error(TypeError, "not an integer")
+ -> { @rational.truncate('') }.should raise_error(TypeError, "not an integer")
+ end
+
+ it "does not call to_int on the argument" do
+ object = Object.new
+ object.should_not_receive(:to_int)
+ -> { @rational.truncate(object) }.should raise_error(TypeError, "not an integer")
+ end
+ end
end
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 01:47:31 +0000