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-rw-r--r--spec/ruby/core/integer/shared/abs.rb18
-rw-r--r--spec/ruby/core/integer/shared/arithmetic_coerce.rb11
-rw-r--r--spec/ruby/core/integer/shared/comparison_coerce.rb11
-rw-r--r--spec/ruby/core/integer/shared/equal.rb58
-rw-r--r--spec/ruby/core/integer/shared/exponent.rb144
-rw-r--r--spec/ruby/core/integer/shared/integer_ceil_precision.rb43
-rw-r--r--spec/ruby/core/integer/shared/integer_floor_precision.rb43
-rw-r--r--spec/ruby/core/integer/shared/integer_rounding.rb19
-rw-r--r--spec/ruby/core/integer/shared/modulo.rb114
-rw-r--r--spec/ruby/core/integer/shared/next.rb25
-rw-r--r--spec/ruby/core/integer/shared/to_i.rb8
11 files changed, 494 insertions, 0 deletions
diff --git a/spec/ruby/core/integer/shared/abs.rb b/spec/ruby/core/integer/shared/abs.rb
new file mode 100644
index 0000000000..43844c9065
--- /dev/null
+++ b/spec/ruby/core/integer/shared/abs.rb
@@ -0,0 +1,18 @@
+describe :integer_abs, shared: true do
+ context "fixnum" do
+ it "returns self's absolute fixnum value" do
+ { 0 => [0, -0, +0], 2 => [2, -2, +2], 100 => [100, -100, +100] }.each do |key, values|
+ values.each do |value|
+ value.send(@method).should == key
+ end
+ end
+ end
+ end
+
+ context "bignum" do
+ it "returns the absolute bignum value" do
+ bignum_value(39).send(@method).should == 18446744073709551655
+ (-bignum_value(18)).send(@method).should == 18446744073709551634
+ end
+ end
+end
diff --git a/spec/ruby/core/integer/shared/arithmetic_coerce.rb b/spec/ruby/core/integer/shared/arithmetic_coerce.rb
new file mode 100644
index 0000000000..1260192df1
--- /dev/null
+++ b/spec/ruby/core/integer/shared/arithmetic_coerce.rb
@@ -0,0 +1,11 @@
+require_relative '../fixtures/classes'
+
+describe :integer_arithmetic_coerce_not_rescue, shared: true do
+ it "does not rescue exception raised in other#coerce" do
+ b = mock("numeric with failed #coerce")
+ b.should_receive(:coerce).and_raise(IntegerSpecs::CoerceError)
+
+ # e.g. 1 + b
+ -> { 1.send(@method, b) }.should raise_error(IntegerSpecs::CoerceError)
+ end
+end
diff --git a/spec/ruby/core/integer/shared/comparison_coerce.rb b/spec/ruby/core/integer/shared/comparison_coerce.rb
new file mode 100644
index 0000000000..af52f5e99b
--- /dev/null
+++ b/spec/ruby/core/integer/shared/comparison_coerce.rb
@@ -0,0 +1,11 @@
+require_relative '../fixtures/classes'
+
+describe :integer_comparison_coerce_not_rescue, shared: true do
+ it "does not rescue exception raised in other#coerce" do
+ b = mock("numeric with failed #coerce")
+ b.should_receive(:coerce).and_raise(IntegerSpecs::CoerceError)
+
+ # e.g. 1 > b
+ -> { 1.send(@method, b) }.should raise_error(IntegerSpecs::CoerceError)
+ end
+end
diff --git a/spec/ruby/core/integer/shared/equal.rb b/spec/ruby/core/integer/shared/equal.rb
new file mode 100644
index 0000000000..ecee17831c
--- /dev/null
+++ b/spec/ruby/core/integer/shared/equal.rb
@@ -0,0 +1,58 @@
+describe :integer_equal, shared: true do
+ context "fixnum" do
+ it "returns true if self has the same value as other" do
+ 1.send(@method, 1).should == true
+ 9.send(@method, 5).should == false
+
+ # Actually, these call Float#==, Integer#== etc.
+ 9.send(@method, 9.0).should == true
+ 9.send(@method, 9.01).should == false
+
+ 10.send(@method, bignum_value).should == false
+ end
+
+ it "calls 'other == self' if the given argument is not an Integer" do
+ 1.send(@method, '*').should == false
+
+ obj = mock('one other')
+ obj.should_receive(:==).any_number_of_times.and_return(false)
+ 1.send(@method, obj).should == false
+
+ obj = mock('another')
+ obj.should_receive(:==).any_number_of_times.and_return(true)
+ 2.send(@method, obj).should == true
+ end
+ end
+
+ context "bignum" do
+ before :each do
+ @bignum = bignum_value
+ end
+
+ it "returns true if self has the same value as the given argument" do
+ @bignum.send(@method, @bignum).should == true
+ @bignum.send(@method, @bignum.to_f).should == true
+
+ @bignum.send(@method, @bignum + 1).should == false
+ (@bignum + 1).send(@method, @bignum).should == false
+
+ @bignum.send(@method, 9).should == false
+ @bignum.send(@method, 9.01).should == false
+
+ @bignum.send(@method, bignum_value(10)).should == false
+ end
+
+ it "calls 'other == self' if the given argument is not an Integer" do
+ obj = mock('not integer')
+ obj.should_receive(:==).and_return(true)
+ @bignum.send(@method, obj).should == true
+ end
+
+ it "returns the result of 'other == self' as a boolean" do
+ obj = mock('not integer')
+ obj.should_receive(:==).exactly(2).times.and_return("woot", nil)
+ @bignum.send(@method, obj).should == true
+ @bignum.send(@method, obj).should == false
+ end
+ end
+end
diff --git a/spec/ruby/core/integer/shared/exponent.rb b/spec/ruby/core/integer/shared/exponent.rb
new file mode 100644
index 0000000000..5ef6d686d8
--- /dev/null
+++ b/spec/ruby/core/integer/shared/exponent.rb
@@ -0,0 +1,144 @@
+describe :integer_exponent, shared: true do
+ context "fixnum" do
+ it "returns self raised to the given power" do
+ 2.send(@method, 0).should eql 1
+ 2.send(@method, 1).should eql 2
+ 2.send(@method, 2).should eql 4
+
+ 9.send(@method, 0.5).should eql 3.0
+ 9.send(@method, Rational(1, 2)).should eql 3.0
+ 5.send(@method, -1).to_f.to_s.should == '0.2'
+
+ 2.send(@method, 40).should eql 1099511627776
+ end
+
+ it "overflows the answer to a bignum transparently" do
+ 2.send(@method, 29).should eql 536870912
+ 2.send(@method, 30).should eql 1073741824
+ 2.send(@method, 31).should eql 2147483648
+ 2.send(@method, 32).should eql 4294967296
+
+ 2.send(@method, 61).should eql 2305843009213693952
+ 2.send(@method, 62).should eql 4611686018427387904
+ 2.send(@method, 63).should eql 9223372036854775808
+ 2.send(@method, 64).should eql 18446744073709551616
+ 8.send(@method, 23).should eql 590295810358705651712
+ end
+
+ it "raises negative numbers to the given power" do
+ (-2).send(@method, 29).should eql(-536870912)
+ (-2).send(@method, 30).should eql(1073741824)
+ (-2).send(@method, 31).should eql(-2147483648)
+ (-2).send(@method, 32).should eql(4294967296)
+ (-2).send(@method, 33).should eql(-8589934592)
+
+ (-2).send(@method, 61).should eql(-2305843009213693952)
+ (-2).send(@method, 62).should eql(4611686018427387904)
+ (-2).send(@method, 63).should eql(-9223372036854775808)
+ (-2).send(@method, 64).should eql(18446744073709551616)
+ (-2).send(@method, 65).should eql(-36893488147419103232)
+ end
+
+ it "can raise 1 to a bignum safely" do
+ 1.send(@method, 4611686018427387904).should eql 1
+ end
+
+ it "can raise -1 to a bignum safely" do
+ (-1).send(@method, 4611686018427387904).should eql(1)
+ (-1).send(@method, 4611686018427387905).should eql(-1)
+ end
+
+ ruby_version_is ""..."3.4" do
+ it "returns Float::INFINITY when the number is too big" do
+ -> {
+ 2.send(@method, 427387904).should == Float::INFINITY
+ }.should complain(/warning: in a\*\*b, b may be too big/)
+ end
+ end
+
+ ruby_version_is "3.4" do
+ it "raises an ArgumentError when the number is too big" do
+ -> { 100000000.send(@method, 1000000000) }.should raise_error(ArgumentError)
+ end
+ end
+
+ it "raises a ZeroDivisionError for 0 ** -1" do
+ -> { 0.send(@method, -1) }.should raise_error(ZeroDivisionError)
+ -> { 0.send(@method, Rational(-1, 1)) }.should raise_error(ZeroDivisionError)
+ end
+
+ it "returns Float::INFINITY for 0 ** -1.0" do
+ 0.send(@method, -1.0).should == Float::INFINITY
+ end
+
+ it "raises a TypeError when given a non-numeric power" do
+ -> { 13.send(@method, "10") }.should raise_error(TypeError)
+ -> { 13.send(@method, :symbol) }.should raise_error(TypeError)
+ -> { 13.send(@method, nil) }.should raise_error(TypeError)
+ end
+
+ it "coerces power and calls #**" do
+ num_2 = mock("2")
+ num_13 = mock("13")
+ num_2.should_receive(:coerce).with(13).and_return([num_13, num_2])
+ num_13.should_receive(:**).with(num_2).and_return(169)
+
+ 13.send(@method, num_2).should == 169
+ end
+
+ it "returns Float when power is Float" do
+ 2.send(@method, 2.0).should == 4.0
+ end
+
+ it "returns Rational when power is Rational" do
+ 2.send(@method, Rational(2, 1)).should == Rational(4, 1)
+ end
+
+ it "returns a complex number when negative and raised to a fractional power" do
+ (-8).send(@method, 1.0/3) .should be_close(Complex(1, 1.73205), TOLERANCE)
+ (-8).send(@method, Rational(1, 3)).should be_close(Complex(1, 1.73205), TOLERANCE)
+ end
+ end
+
+ context "bignum" do
+ before :each do
+ @bignum = bignum_value(47)
+ end
+
+ it "returns self raised to other power" do
+ (@bignum.send(@method, 4)).should == 115792089237316196603666111261383895964500887398800252671052694326794607293761
+ (@bignum.send(@method, 1.3)).should be_close(11109528802438156839288832.0, TOLERANCE)
+ end
+
+ it "raises a TypeError when given a non-Integer" do
+ -> { @bignum.send(@method, mock('10')) }.should raise_error(TypeError)
+ -> { @bignum.send(@method, "10") }.should raise_error(TypeError)
+ -> { @bignum.send(@method, :symbol) }.should raise_error(TypeError)
+ end
+
+ ruby_version_is ""..."3.4" do
+ it "switch to a Float when the values is too big" do
+ flt = nil
+ -> {
+ flt = @bignum.send(@method, @bignum)
+ }.should complain(/warning: in a\*\*b, b may be too big/)
+ flt.should be_kind_of(Float)
+ flt.infinite?.should == 1
+ end
+ end
+
+ ruby_version_is "3.4" do
+ it "does not switch to a Float when the values is too big" do
+ -> {
+ @bignum.send(@method, @bignum)
+ }.should raise_error(ArgumentError)
+ end
+ end
+
+ it "returns a complex number when negative and raised to a fractional power" do
+ (-bignum_value).send(@method, (1.0/2)).should be_close(Complex(0.0, 4294967296.0), TOLERANCE)
+ (-@bignum).send(@method, (1.0/3)) .should be_close(Complex(1321122.9748145656, 2288252.1154253655), TOLERANCE)
+ (-@bignum).send(@method, Rational(1,3)).should be_close(Complex(1321122.9748145656, 2288252.1154253655), TOLERANCE)
+ end
+ end
+end
diff --git a/spec/ruby/core/integer/shared/integer_ceil_precision.rb b/spec/ruby/core/integer/shared/integer_ceil_precision.rb
new file mode 100644
index 0000000000..9f31c2cf61
--- /dev/null
+++ b/spec/ruby/core/integer/shared/integer_ceil_precision.rb
@@ -0,0 +1,43 @@
+describe :integer_ceil_precision, shared: true do
+ context "precision is zero" do
+ it "returns integer self" do
+ send(@method, 0).ceil(0).should.eql?(0)
+ send(@method, 123).ceil(0).should.eql?(123)
+ send(@method, -123).ceil(0).should.eql?(-123)
+ end
+ end
+
+ context "precision is positive" do
+ it "returns self" do
+ send(@method, 0).ceil(1).should.eql?(send(@method, 0))
+ send(@method, 0).ceil(10).should.eql?(send(@method, 0))
+
+ send(@method, 123).ceil(10).should.eql?(send(@method, 123))
+ send(@method, -123).ceil(10).should.eql?(send(@method, -123))
+ end
+ end
+
+ context "precision is negative" do
+ it "always returns 0 when self is 0" do
+ send(@method, 0).ceil(-1).should.eql?(0)
+ send(@method, 0).ceil(-10).should.eql?(0)
+ end
+
+ it "returns largest integer less than self with at least precision.abs trailing zeros" do
+ send(@method, 123).ceil(-1).should.eql?(130)
+ send(@method, 123).ceil(-2).should.eql?(200)
+ send(@method, 123).ceil(-3).should.eql?(1000)
+
+ send(@method, -123).ceil(-1).should.eql?(-120)
+ send(@method, -123).ceil(-2).should.eql?(-100)
+ send(@method, -123).ceil(-3).should.eql?(0)
+ end
+
+ ruby_bug "#20654", ""..."3.4" do
+ it "returns 10**precision.abs when precision.abs is larger than the number digits of self" do
+ send(@method, 123).ceil(-20).should.eql?(100000000000000000000)
+ send(@method, 123).ceil(-50).should.eql?(100000000000000000000000000000000000000000000000000)
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/integer/shared/integer_floor_precision.rb b/spec/ruby/core/integer/shared/integer_floor_precision.rb
new file mode 100644
index 0000000000..4c5888c6c4
--- /dev/null
+++ b/spec/ruby/core/integer/shared/integer_floor_precision.rb
@@ -0,0 +1,43 @@
+describe :integer_floor_precision, shared: true do
+ context "precision is zero" do
+ it "returns integer self" do
+ send(@method, 0).floor(0).should.eql?(0)
+ send(@method, 123).floor(0).should.eql?(123)
+ send(@method, -123).floor(0).should.eql?(-123)
+ end
+ end
+
+ context "precision is positive" do
+ it "returns self" do
+ send(@method, 0).floor(1).should.eql?(send(@method, 0))
+ send(@method, 0).floor(10).should.eql?(send(@method, 0))
+
+ send(@method, 123).floor(10).should.eql?(send(@method, 123))
+ send(@method, -123).floor(10).should.eql?(send(@method, -123))
+ end
+ end
+
+ context "precision is negative" do
+ it "always returns 0 when self is 0" do
+ send(@method, 0).floor(-1).should.eql?(0)
+ send(@method, 0).floor(-10).should.eql?(0)
+ end
+
+ it "returns largest integer less than self with at least precision.abs trailing zeros" do
+ send(@method, 123).floor(-1).should.eql?(120)
+ send(@method, 123).floor(-2).should.eql?(100)
+ send(@method, 123).floor(-3).should.eql?(0)
+
+ send(@method, -123).floor(-1).should.eql?(-130)
+ send(@method, -123).floor(-2).should.eql?(-200)
+ send(@method, -123).floor(-3).should.eql?(-1000)
+ end
+
+ ruby_bug "#20654", ""..."3.4" do
+ it "returns -(10**precision.abs) when self is negative and precision.abs is larger than the number digits of self" do
+ send(@method, -123).floor(-20).should.eql?(-100000000000000000000)
+ send(@method, -123).floor(-50).should.eql?(-100000000000000000000000000000000000000000000000000)
+ end
+ end
+ end
+end
diff --git a/spec/ruby/core/integer/shared/integer_rounding.rb b/spec/ruby/core/integer/shared/integer_rounding.rb
new file mode 100644
index 0000000000..56d1819f84
--- /dev/null
+++ b/spec/ruby/core/integer/shared/integer_rounding.rb
@@ -0,0 +1,19 @@
+describe :integer_rounding_positive_precision, shared: true do
+ it "returns self if not passed a precision" do
+ [2, -4, 10**70, -10**100].each do |v|
+ v.send(@method).should eql(v)
+ end
+ end
+
+ it "returns self if passed a precision of zero" do
+ [2, -4, 10**70, -10**100].each do |v|
+ v.send(@method, 0).should eql(v)
+ end
+ end
+
+ it "returns itself if passed a positive precision" do
+ [2, -4, 10**70, -10**100].each do |v|
+ v.send(@method, 42).should eql(v)
+ end
+ end
+end
diff --git a/spec/ruby/core/integer/shared/modulo.rb b/spec/ruby/core/integer/shared/modulo.rb
new file mode 100644
index 0000000000..d91af1e924
--- /dev/null
+++ b/spec/ruby/core/integer/shared/modulo.rb
@@ -0,0 +1,114 @@
+describe :integer_modulo, shared: true do
+ context "fixnum" do
+ it "returns the modulus obtained from dividing self by the given argument" do
+ # test all possible combinations:
+ # - integer/double/bignum argument
+ # - positive/negative argument
+ # - positive/negative self
+ # - self greater/smaller than argument
+
+ 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
+
+ 13.send(@method, -4.0).should == -3.0
+ 4.send(@method, -13.0).should == -9.0
+
+ -13.send(@method, -4.0).should == -1.0
+ -4.send(@method, -13.0).should == -4.0
+
+ -13.send(@method, 4.0).should == 3.0
+ -4.send(@method, 13.0).should == 9.0
+
+ 1.send(@method, 2.0).should == 1.0
+ 200.send(@method, bignum_value).should == 200
+
+ 4.send(@method, bignum_value(10)).should == 4
+ 4.send(@method, -bignum_value(10)).should == -18446744073709551622
+ -4.send(@method, bignum_value(10)).should == 18446744073709551622
+ -4.send(@method, -bignum_value(10)).should == -4
+ end
+
+ it "raises a ZeroDivisionError when the given argument is 0" do
+ -> { 13.send(@method, 0) }.should raise_error(ZeroDivisionError)
+ -> { 0.send(@method, 0) }.should raise_error(ZeroDivisionError)
+ -> { -10.send(@method, 0) }.should raise_error(ZeroDivisionError)
+ end
+
+ it "raises a ZeroDivisionError when the given argument is 0 and a Float" do
+ -> { 0.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
+ -> { 10.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
+ -> { -10.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
+ end
+
+ it "raises a TypeError when given a non-Integer" do
+ -> {
+ (obj = mock('10')).should_receive(:to_int).any_number_of_times.and_return(10)
+ 13.send(@method, obj)
+ }.should raise_error(TypeError)
+ -> { 13.send(@method, "10") }.should raise_error(TypeError)
+ -> { 13.send(@method, :symbol) }.should raise_error(TypeError)
+ end
+ end
+
+ context "bignum" do
+ before :each do
+ @bignum = bignum_value(10)
+ end
+
+ it "returns the modulus obtained from dividing self by the given argument" do
+ # test all possible combinations:
+ # - integer/double/bignum argument
+ # - positive/negative argument
+ # - positive/negative self
+ # - self greater/smaller than argument
+
+ @bignum.send(@method, 5).should == 1
+ @bignum.send(@method, -5).should == -4
+ (-@bignum).send(@method, 5).should == 4
+ (-@bignum).send(@method, -5).should == -1
+
+ @bignum.send(@method, 2.22).should be_close(1.5603603603605034, TOLERANCE)
+ @bignum.send(@method, -2.22).should be_close(-0.6596396396394968, TOLERANCE)
+ (-@bignum).send(@method, 2.22).should be_close(0.6596396396394968, TOLERANCE)
+ (-@bignum).send(@method, -2.22).should be_close(-1.5603603603605034, TOLERANCE)
+
+ @bignum.send(@method, @bignum + 10).should == 18446744073709551626
+ @bignum.send(@method, -(@bignum + 10)).should == -10
+ (-@bignum).send(@method, @bignum + 10).should == 10
+ (-@bignum).send(@method, -(@bignum + 10)).should == -18446744073709551626
+
+ (@bignum + 10).send(@method, @bignum).should == 10
+ (@bignum + 10).send(@method, -@bignum).should == -18446744073709551616
+ (-(@bignum + 10)).send(@method, @bignum).should == 18446744073709551616
+ (-(@bignum + 10)).send(@method, -@bignum).should == -10
+ end
+
+ it "raises a ZeroDivisionError when the given argument is 0" do
+ -> { @bignum.send(@method, 0) }.should raise_error(ZeroDivisionError)
+ -> { (-@bignum).send(@method, 0) }.should raise_error(ZeroDivisionError)
+ end
+
+ it "raises a ZeroDivisionError when the given argument is 0 and a Float" do
+ -> { @bignum.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
+ -> { -@bignum.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
+ end
+
+ it "raises a TypeError when given a non-Integer" do
+ -> { @bignum.send(@method, mock('10')) }.should raise_error(TypeError)
+ -> { @bignum.send(@method, "10") }.should raise_error(TypeError)
+ -> { @bignum.send(@method, :symbol) }.should raise_error(TypeError)
+ end
+ end
+end
diff --git a/spec/ruby/core/integer/shared/next.rb b/spec/ruby/core/integer/shared/next.rb
new file mode 100644
index 0000000000..85b83d6965
--- /dev/null
+++ b/spec/ruby/core/integer/shared/next.rb
@@ -0,0 +1,25 @@
+describe :integer_next, shared: true do
+ it "returns the next larger positive Fixnum" do
+ 2.send(@method).should == 3
+ end
+
+ it "returns the next larger negative Fixnum" do
+ (-2).send(@method).should == -1
+ end
+
+ it "returns the next larger positive Bignum" do
+ bignum_value.send(@method).should == bignum_value(1)
+ end
+
+ it "returns the next larger negative Bignum" do
+ (-bignum_value(1)).send(@method).should == -bignum_value
+ end
+
+ it "overflows a Fixnum to a Bignum" do
+ fixnum_max.send(@method).should == fixnum_max + 1
+ end
+
+ it "underflows a Bignum to a Fixnum" do
+ (fixnum_min - 1).send(@method).should == fixnum_min
+ end
+end
diff --git a/spec/ruby/core/integer/shared/to_i.rb b/spec/ruby/core/integer/shared/to_i.rb
new file mode 100644
index 0000000000..7b974cd3a7
--- /dev/null
+++ b/spec/ruby/core/integer/shared/to_i.rb
@@ -0,0 +1,8 @@
+describe :integer_to_i, shared: true do
+ it "returns self" do
+ 10.send(@method).should eql(10)
+ (-15).send(@method).should eql(-15)
+ bignum_value.send(@method).should eql(bignum_value)
+ (-bignum_value).send(@method).should eql(-bignum_value)
+ end
+end
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-20 08:48:02 +0000