diff options
Diffstat (limited to 'spec/ruby/shared/kernel')
| -rw-r--r-- | spec/ruby/shared/kernel/complex.rb | 133 | ||||
| -rw-r--r-- | spec/ruby/shared/kernel/equal.rb | 54 | ||||
| -rw-r--r-- | spec/ruby/shared/kernel/object_id.rb | 80 | ||||
| -rw-r--r-- | spec/ruby/shared/kernel/raise.rb | 149 |
4 files changed, 416 insertions, 0 deletions
diff --git a/spec/ruby/shared/kernel/complex.rb b/spec/ruby/shared/kernel/complex.rb new file mode 100644 index 0000000000..98ee0b2b3f --- /dev/null +++ b/spec/ruby/shared/kernel/complex.rb @@ -0,0 +1,133 @@ +# Specs shared by Kernel#Complex() and String#to_c() +describe :kernel_complex, shared: true do + + it "returns a Complex object" do + @object.send(@method, '9').should be_an_instance_of(Complex) + end + + it "understands integers" do + @object.send(@method, '20').should == Complex(20) + end + + it "understands negative integers" do + @object.send(@method, '-3').should == Complex(-3) + end + + it "understands fractions (numerator/denominator) for the real part" do + @object.send(@method, '2/3').should == Complex(Rational(2, 3)) + end + + it "understands fractions (numerator/denominator) for the imaginary part" do + @object.send(@method, '4+2/3i').should == Complex(4, Rational(2, 3)) + end + + it "understands negative fractions (-numerator/denominator) for the real part" do + @object.send(@method, '-2/3').should == Complex(Rational(-2, 3)) + end + + it "understands negative fractions (-numerator/denominator) for the imaginary part" do + @object.send(@method, '7-2/3i').should == Complex(7, Rational(-2, 3)) + end + + it "understands floats (a.b) for the real part" do + @object.send(@method, '2.3').should == Complex(2.3) + end + + it "understands floats (a.b) for the imaginary part" do + @object.send(@method, '4+2.3i').should == Complex(4, 2.3) + end + + it "understands negative floats (-a.b) for the real part" do + @object.send(@method, '-2.33').should == Complex(-2.33) + end + + it "understands negative floats (-a.b) for the imaginary part" do + @object.send(@method, '7-28.771i').should == Complex(7, -28.771) + end + + it "understands an integer followed by 'i' to mean that integer is the imaginary part" do + @object.send(@method, '35i').should == Complex(0,35) + end + + it "understands a negative integer followed by 'i' to mean that negative integer is the imaginary part" do + @object.send(@method, '-29i').should == Complex(0,-29) + end + + it "understands an 'i' by itself as denoting a complex number with an imaginary part of 1" do + @object.send(@method, 'i').should == Complex(0,1) + end + + it "understands a '-i' by itself as denoting a complex number with an imaginary part of -1" do + @object.send(@method, '-i').should == Complex(0,-1) + end + + it "understands 'a+bi' to mean a complex number with 'a' as the real part, 'b' as the imaginary" do + @object.send(@method, '79+4i').should == Complex(79,4) + end + + it "understands 'a-bi' to mean a complex number with 'a' as the real part, '-b' as the imaginary" do + @object.send(@method, '79-4i').should == Complex(79,-4) + end + + it "understands 'a+i' to mean a complex number with 'a' as the real part, 1i as the imaginary" do + @object.send(@method, '79+i').should == Complex(79, 1) + end + + it "understands 'a-i' to mean a complex number with 'a' as the real part, -1i as the imaginary" do + @object.send(@method, '79-i').should == Complex(79, -1) + end + + it "understands i, I, j, and J imaginary units" do + @object.send(@method, '79+4i').should == Complex(79, 4) + @object.send(@method, '79+4I').should == Complex(79, 4) + @object.send(@method, '79+4j').should == Complex(79, 4) + @object.send(@method, '79+4J').should == Complex(79, 4) + end + + it "understands scientific notation for the real part" do + @object.send(@method, '2e3+4i').should == Complex(2e3,4) + end + + it "understands negative scientific notation for the real part" do + @object.send(@method, '-2e3+4i').should == Complex(-2e3,4) + end + + it "understands scientific notation for the imaginary part" do + @object.send(@method, '4+2e3i').should == Complex(4, 2e3) + end + + it "understands negative scientific notation for the imaginary part" do + @object.send(@method, '4-2e3i').should == Complex(4, -2e3) + end + + it "understands scientific notation for the real and imaginary part in the same String" do + @object.send(@method, '2e3+2e4i').should == Complex(2e3,2e4) + end + + it "understands negative scientific notation for the real and imaginary part in the same String" do + @object.send(@method, '-2e3-2e4i').should == Complex(-2e3,-2e4) + end + + it "understands scientific notation with e and E" do + @object.send(@method, '2e3+2e4i').should == Complex(2e3, 2e4) + @object.send(@method, '2E3+2E4i').should == Complex(2e3, 2e4) + end + + it "understands 'm@a' to mean a complex number in polar form with 'm' as the modulus, 'a' as the argument" do + @object.send(@method, '79@4').should == Complex.polar(79, 4) + @object.send(@method, '-79@4').should == Complex.polar(-79, 4) + @object.send(@method, '79@-4').should == Complex.polar(79, -4) + end + + it "ignores leading whitespaces" do + @object.send(@method, ' 79+4i').should == Complex(79, 4) + end + + it "ignores trailing whitespaces" do + @object.send(@method, '79+4i ').should == Complex(79, 4) + end + + it "understands _" do + @object.send(@method, '7_9+4_0i').should == Complex(79, 40) + end +end diff --git a/spec/ruby/shared/kernel/equal.rb b/spec/ruby/shared/kernel/equal.rb new file mode 100644 index 0000000000..0a70aec639 --- /dev/null +++ b/spec/ruby/shared/kernel/equal.rb @@ -0,0 +1,54 @@ +# These examples hold for BasicObject#equal?, BasicObject#== and Kernel#eql? +describe :object_equal, shared: true do + it "returns true if other is identical to self" do + obj = Object.new + obj.__send__(@method, obj).should be_true + end + + it "returns false if other is not identical to self" do + a = Object.new + b = Object.new + a.__send__(@method, b).should be_false + end + + it "returns true only if self and other are the same object" do + o1 = mock('o1') + o2 = mock('o2') + o1.__send__(@method, o1).should == true + o2.__send__(@method, o2).should == true + o1.__send__(@method, o2).should == false + end + + it "returns true for the same immediate object" do + o1 = 1 + o2 = :hola + 1.__send__(@method, o1).should == true + :hola.__send__(@method, o2).should == true + end + + it "returns false for nil and any other object" do + o1 = mock('o1') + nil.__send__(@method, nil).should == true + o1.__send__(@method, nil).should == false + nil.__send__(@method, o1).should == false + end + + it "returns false for objects of different classes" do + :hola.__send__(@method, 1).should == false + end + + it "returns true only if self and other are the same boolean" do + true.__send__(@method, true).should == true + false.__send__(@method, false).should == true + + true.__send__(@method, false).should == false + false.__send__(@method, true).should == false + end + + it "returns true for integers of initially different ranges" do + big42 = (bignum_value * 42 / bignum_value) + 42.__send__(@method, big42).should == true + long42 = (1 << 35) * 42 / (1 << 35) + 42.__send__(@method, long42).should == true + end +end diff --git a/spec/ruby/shared/kernel/object_id.rb b/spec/ruby/shared/kernel/object_id.rb new file mode 100644 index 0000000000..7acdb27554 --- /dev/null +++ b/spec/ruby/shared/kernel/object_id.rb @@ -0,0 +1,80 @@ +# These examples hold for both BasicObject#__id__ and Kernel#object_id. +describe :object_id, shared: true do + it "returns an integer" do + o1 = @object.new + o1.__send__(@method).should be_kind_of(Integer) + end + + it "returns the same value on all calls to id for a given object" do + o1 = @object.new + o1.__send__(@method).should == o1.__send__(@method) + end + + it "returns different values for different objects" do + o1 = @object.new + o2 = @object.new + o1.__send__(@method).should_not == o2.__send__(@method) + end + + it "returns the same value for two Fixnums with the same value" do + o1 = 1 + o2 = 1 + o1.send(@method).should == o2.send(@method) + end + + it "returns the same value for two Symbol literals" do + o1 = :hello + o2 = :hello + o1.send(@method).should == o2.send(@method) + end + + it "returns the same value for two true literals" do + o1 = true + o2 = true + o1.send(@method).should == o2.send(@method) + end + + it "returns the same value for two false literals" do + o1 = false + o2 = false + o1.send(@method).should == o2.send(@method) + end + + it "returns the same value for two nil literals" do + o1 = nil + o2 = nil + o1.send(@method).should == o2.send(@method) + end + + it "returns a different value for two Bignum literals" do + o1 = 2e100.to_i + o2 = 2e100.to_i + o1.send(@method).should_not == o2.send(@method) + end + + it "returns a different value for two String literals" do + o1 = "hello" + o2 = "hello" + o1.send(@method).should_not == o2.send(@method) + end + + it "returns a different value for an object and its dup" do + o1 = mock("object") + o2 = o1.dup + o1.send(@method).should_not == o2.send(@method) + end + + it "returns a different value for two numbers near the 32 bit Fixnum limit" do + o1 = -1 + o2 = 2 ** 30 - 1 + + o1.send(@method).should_not == o2.send(@method) + end + + it "returns a different value for two numbers near the 64 bit Fixnum limit" do + o1 = -1 + o2 = 2 ** 62 - 1 + + o1.send(@method).should_not == o2.send(@method) + end +end diff --git a/spec/ruby/shared/kernel/raise.rb b/spec/ruby/shared/kernel/raise.rb new file mode 100644 index 0000000000..82fb0333c8 --- /dev/null +++ b/spec/ruby/shared/kernel/raise.rb @@ -0,0 +1,149 @@ +describe :kernel_raise, shared: true do + before :each do + ScratchPad.clear + end + + it "aborts execution" do + -> do + @object.raise Exception, "abort" + ScratchPad.record :no_abort + end.should raise_error(Exception, "abort") + + ScratchPad.recorded.should be_nil + end + + it "accepts an exception that implements to_hash" do + custom_error = Class.new(StandardError) do + def to_hash + {} + end + end + error = custom_error.new + -> { @object.raise(error) }.should raise_error(custom_error) + end + + it "allows the message parameter to be a hash" do + data_error = Class.new(StandardError) do + attr_reader :data + def initialize(data) + @data = data + end + end + + -> { @object.raise(data_error, {data: 42}) }.should raise_error(data_error) do |ex| + ex.data.should == {data: 42} + end + end + + # https://bugs.ruby-lang.org/issues/8257#note-36 + it "allows extra keyword arguments for compatibility" do + data_error = Class.new(StandardError) do + attr_reader :data + def initialize(data) + @data = data + end + end + + -> { @object.raise(data_error, data: 42) }.should raise_error(data_error) do |ex| + ex.data.should == {data: 42} + end + end + + it "does not allow message and extra keyword arguments" do + data_error = Class.new(StandardError) do + attr_reader :data + def initialize(data) + @data = data + end + end + + -> { @object.raise(data_error, {a: 1}, b: 2) }.should raise_error(StandardError) do |e| + [TypeError, ArgumentError].should.include?(e.class) + end + + -> { @object.raise(data_error, {a: 1}, [], b: 2) }.should raise_error(ArgumentError) + end + + it "raises RuntimeError if no exception class is given" do + -> { @object.raise }.should raise_error(RuntimeError, "") + end + + it "raises a given Exception instance" do + error = RuntimeError.new + -> { @object.raise(error) }.should raise_error(error) + end + + it "raises a RuntimeError if string given" do + -> { @object.raise("a bad thing") }.should raise_error(RuntimeError) + end + + it "passes no arguments to the constructor when given only an exception class" do + klass = Class.new(Exception) do + def initialize + end + end + -> { @object.raise(klass) }.should raise_error(klass) { |e| e.message.should == klass.to_s } + end + + it "raises a TypeError when passed a non-Exception object" do + -> { @object.raise(Object.new) }.should raise_error(TypeError) + end + + it "raises a TypeError when passed true" do + -> { @object.raise(true) }.should raise_error(TypeError) + end + + it "raises a TypeError when passed false" do + -> { @object.raise(false) }.should raise_error(TypeError) + end + + it "raises a TypeError when passed nil" do + -> { @object.raise(nil) }.should raise_error(TypeError) + end + + it "re-raises a previously rescued exception without overwriting the backtrace" do + # This spec is written using #backtrace and matching the line number + # from the string, as backtrace_locations is a more advanced + # method that is not always supported by implementations. + # + initial_raise_line = nil + raise_again_line = nil + raised_again = nil + + if defined?(FiberSpecs::NewFiberToRaise) and @object == FiberSpecs::NewFiberToRaise + fiber = Fiber.new do + begin + initial_raise_line = __LINE__; Fiber.yield + rescue => raised + begin + raise_again_line = __LINE__; Fiber.yield raised + rescue => raised_again + raised_again + end + end + end + fiber.resume + raised = fiber.raise 'raised' + raised_again = fiber.raise raised + else + begin + initial_raise_line = __LINE__; @object.raise 'raised' + rescue => raised + begin + raise_again_line = __LINE__; @object.raise raised + rescue => raised_again + raised_again + end + end + end + + raised_again.backtrace.first.should include("#{__FILE__}:#{initial_raise_line}:") + raised_again.backtrace.first.should_not include("#{__FILE__}:#{raise_again_line}:") + end + + it "allows Exception, message, and backtrace parameters" do + -> do + @object.raise(ArgumentError, "message", caller) + end.should raise_error(ArgumentError, "message") + end +end |
