Update to ruby/spec@83063a3

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62094 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

8 files changed, 332 insertions, 68 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..946aa21864
--- /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 == 9223372036854775847
+      (-bignum_value(18)).send(@method).should == 9223372036854775826
+    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..e33c5ff0f4
--- /dev/null
+++ b/spec/ruby/core/integer/shared/arithmetic_coerce.rb
@@ -0,0 +1,31 @@
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe :integer_arithmetic_coerce_rescue, shared: true do
+  it "rescues exception (StandardError and subclasses) raised in other#coerce and raises TypeError" 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(TypeError, /MockObject can't be coerced into Integer/)
+  end
+
+  it "does not rescue Exception and StandardError siblings raised in other#coerce" do
+    [Exception, NoMemoryError].each do |exception|
+      b = mock("numeric with failed #coerce")
+      b.should_receive(:coerce).and_raise(exception)
+
+      # e.g. 1 + b
+      -> { 1.send(@method, b) }.should raise_error(exception)
+    end
+  end
+end
+
+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/arithmetic_exception_in_coerce.rb b/spec/ruby/core/integer/shared/arithmetic_exception_in_coerce.rb
deleted file mode 100644
index dd3f55d444..0000000000
--- a/spec/ruby/core/integer/shared/arithmetic_exception_in_coerce.rb
+++ /dev/null
@@ -1,33 +0,0 @@
-require File.expand_path('../../fixtures/classes', __FILE__)
-
-describe :integer_arithmetic_exception_in_coerce, shared: true do
-  ruby_version_is ""..."2.5" do
-    it "rescues exception (StandardError and subclasses) raised in other#coerce and raises TypeError" 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(TypeError, /MockObject can't be coerced into #{1.class}/)
-    end
-
-    it "does not rescue Exception and StandardError siblings raised in other#coerce" do
-      [Exception, NoMemoryError].each do |exception|
-        b = mock("numeric with failed #coerce")
-        b.should_receive(:coerce).and_raise(exception)
-
-        # e.g. 1 + b
-        -> { 1.send(@method, b) }.should raise_error(exception)
-      end
-    end
-  end
-
-  ruby_version_is "2.5" 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
-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..6d5e69b774
--- /dev/null
+++ b/spec/ruby/core/integer/shared/comparison_coerce.rb
@@ -0,0 +1,33 @@
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe :integer_comparison_coerce_rescue, shared: true do
+  it "rescues exception (StandardError and subclasses) raised in other#coerce and raises ArgumentError" 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(ArgumentError, /comparison of Integer with MockObject failed/)
+    }.should complain(/Numerical comparison operators will no more rescue exceptions of #coerce/)
+  end
+
+  it "does not rescue Exception and StandardError siblings raised in other#coerce" do
+    [Exception, NoMemoryError].each do |exception|
+      b = mock("numeric with failed #coerce")
+      b.should_receive(:coerce).and_raise(exception)
+
+      # e.g. 1 > b
+      -> { 1.send(@method, b) }.should raise_error(exception)
+    end
+  end
+end
+
+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/comparison_exception_in_coerce.rb b/spec/ruby/core/integer/shared/comparison_exception_in_coerce.rb
deleted file mode 100644
index f99d680d6d..0000000000
--- a/spec/ruby/core/integer/shared/comparison_exception_in_coerce.rb
+++ /dev/null
@@ -1,35 +0,0 @@
-require File.expand_path('../../fixtures/classes', __FILE__)
-
-describe :integer_comparison_exception_in_coerce, shared: true do
-  ruby_version_is ""..."2.5" do
-    it "rescues exception (StandardError and subclasses) raised in other#coerce and raises ArgumentError" 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(ArgumentError, /comparison of #{1.class} with MockObject failed/)
-      }.should complain(/Numerical comparison operators will no more rescue exceptions of #coerce/)
-    end
-
-    it "does not rescue Exception and StandardError siblings raised in other#coerce" do
-      [Exception, NoMemoryError].each do |exception|
-        b = mock("numeric with failed #coerce")
-        b.should_receive(:coerce).and_raise(exception)
-
-        # e.g. 1 > b
-        -> { 1.send(@method, b) }.should raise_error(exception)
-      end
-    end
-  end
-
-  ruby_version_is "2.5" 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
-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..03416b60f5
--- /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#==, Bignum#== 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 a 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..810e2a7101
--- /dev/null
+++ b/spec/ruby/core/integer/shared/exponent.rb
@@ -0,0 +1,118 @@
+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, 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)
+    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
+
+    it "returns Float::INFINITY when the number is too big" do
+      2.send(@method, 427387904).should == Float::INFINITY
+    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 == 7237005577332262361485077344629993318496048279512298547155833600056910050625
+      (@bignum.send(@method, 1.2)).should be_close(57262152889751597425762.57804, TOLERANCE)
+    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
+
+    it "switch to a Float when the values is too big" do
+      flt = @bignum.send(@method, @bignum)
+      flt.should be_kind_of(Float)
+      flt.infinite?.should == 1
+    end
+
+    it "returns a complex number when negative and raised to a fractional power" do
+      ((-@bignum).send(@method, (1.0/3)))      .should be_close(Complex(1048576,1816186.907597341), TOLERANCE)
+      ((-@bignum).send(@method, Rational(1,3))).should be_close(Complex(1048576,1816186.907597341), TOLERANCE)
+    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..d545a9af55
--- /dev/null
+++ 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