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-rw-r--r--spec/ruby/core/kernel/Complex_spec.rb195
1 files changed, 142 insertions, 53 deletions
diff --git a/spec/ruby/core/kernel/Complex_spec.rb b/spec/ruby/core/kernel/Complex_spec.rb
index 37f9843931..92ce183cc8 100644
--- a/spec/ruby/core/kernel/Complex_spec.rb
+++ b/spec/ruby/core/kernel/Complex_spec.rb
@@ -1,4 +1,6 @@
require_relative '../../spec_helper'
+require_relative '../../shared/kernel/complex'
+require_relative 'fixtures/Complex'
describe "Kernel.Complex()" do
describe "when passed [Complex, Complex]" do
@@ -17,19 +19,19 @@ describe "Kernel.Complex()" do
describe "when passed [Integer, Integer]" do
it "returns a new Complex number" do
- Complex(1, 2).should be_an_instance_of(Complex)
+ Complex(1, 2).should.instance_of?(Complex)
Complex(1, 2).real.should == 1
Complex(1, 2).imag.should == 2
- Complex(-3, -5).should be_an_instance_of(Complex)
+ Complex(-3, -5).should.instance_of?(Complex)
Complex(-3, -5).real.should == -3
Complex(-3, -5).imag.should == -5
- Complex(3.5, -4.5).should be_an_instance_of(Complex)
+ Complex(3.5, -4.5).should.instance_of?(Complex)
Complex(3.5, -4.5).real.should == 3.5
Complex(3.5, -4.5).imag.should == -4.5
- Complex(bignum_value, 30).should be_an_instance_of(Complex)
+ Complex(bignum_value, 30).should.instance_of?(Complex)
Complex(bignum_value, 30).real.should == bignum_value
Complex(bignum_value, 30).imag.should == 30
end
@@ -39,26 +41,111 @@ describe "Kernel.Complex()" do
it "returns a new Complex number with 0 as the imaginary component" do
# Guard against the Mathn library
guard -> { !defined?(Math.rsqrt) } do
- Complex(1).should be_an_instance_of(Complex)
+ Complex(1).should.instance_of?(Complex)
Complex(1).imag.should == 0
Complex(1).real.should == 1
- Complex(-3).should be_an_instance_of(Complex)
+ Complex(-3).should.instance_of?(Complex)
Complex(-3).imag.should == 0
Complex(-3).real.should == -3
- Complex(-4.5).should be_an_instance_of(Complex)
+ Complex(-4.5).should.instance_of?(Complex)
Complex(-4.5).imag.should == 0
Complex(-4.5).real.should == -4.5
- Complex(bignum_value).should be_an_instance_of(Complex)
+ Complex(bignum_value).should.instance_of?(Complex)
Complex(bignum_value).imag.should == 0
Complex(bignum_value).real.should == bignum_value
end
end
end
- describe "when passed a String" do
+ describe "when passed [String]" do
+ it_behaves_like :kernel_complex, :Complex_method, KernelSpecs
+
+ context "invalid argument" do
+ it "raises Encoding::CompatibilityError if String is in not ASCII-compatible encoding" do
+ -> {
+ Complex("79+4i".encode("UTF-16"))
+ }.should.raise(Encoding::CompatibilityError, "ASCII incompatible encoding: UTF-16")
+ end
+
+ it "raises ArgumentError for unrecognised Strings" do
+ -> {
+ Complex("ruby")
+ }.should.raise(ArgumentError, 'invalid value for convert(): "ruby"')
+ end
+
+ it "raises ArgumentError for trailing garbage" do
+ -> {
+ Complex("79+4iruby")
+ }.should.raise(ArgumentError, 'invalid value for convert(): "79+4iruby"')
+ end
+
+ it "does not understand Float::INFINITY" do
+ -> {
+ Complex("Infinity")
+ }.should.raise(ArgumentError, 'invalid value for convert(): "Infinity"')
+
+ -> {
+ Complex("-Infinity")
+ }.should.raise(ArgumentError, 'invalid value for convert(): "-Infinity"')
+ end
+
+ it "does not understand Float::NAN" do
+ -> {
+ Complex("NaN")
+ }.should.raise(ArgumentError, 'invalid value for convert(): "NaN"')
+ end
+
+ it "does not understand a sequence of _" do
+ -> {
+ Complex("7__9+4__0i")
+ }.should.raise(ArgumentError, 'invalid value for convert(): "7__9+4__0i"')
+ end
+
+ it "does not allow null-byte" do
+ -> {
+ Complex("1-2i\0")
+ }.should.raise(ArgumentError, "string contains null byte")
+ end
+ end
+
+ context "invalid argument and exception: false passed" do
+ it "raises Encoding::CompatibilityError if String is in not ASCII-compatible encoding" do
+ -> {
+ Complex("79+4i".encode("UTF-16"), exception: false)
+ }.should.raise(Encoding::CompatibilityError, "ASCII incompatible encoding: UTF-16")
+ end
+
+ it "returns nil for unrecognised Strings" do
+ Complex("ruby", exception: false).should == nil
+ end
+
+ it "returns nil when trailing garbage" do
+ Complex("79+4iruby", exception: false).should == nil
+ end
+
+ it "returns nil for Float::INFINITY" do
+ Complex("Infinity", exception: false).should == nil
+ Complex("-Infinity", exception: false).should == nil
+ end
+
+ it "returns nil for Float::NAN" do
+ Complex("NaN", exception: false).should == nil
+ end
+
+ it "returns nil when there is a sequence of _" do
+ Complex("7__9+4__0i", exception: false).should == nil
+ end
+
+ it "returns nil when String contains null-byte" do
+ Complex("1-2i\0", exception: false).should == nil
+ end
+ end
+ end
+
+ describe "when passes [String, String]" do
it "needs to be reviewed for spec completeness"
end
@@ -73,7 +160,7 @@ describe "Kernel.Complex()" do
it "returns the passed argument" do
n = mock_numeric("unreal")
n.should_receive(:real?).any_number_of_times.and_return(false)
- Complex(n).should equal(n)
+ Complex(n).should.equal?(n)
end
end
@@ -82,8 +169,8 @@ describe "Kernel.Complex()" do
n = mock_numeric("real")
n.should_receive(:real?).any_number_of_times.and_return(true)
result = Complex(n)
- result.real.should equal(n)
- result.imag.should equal(0)
+ result.real.should.equal?(n)
+ result.imag.should.equal?(0)
end
end
@@ -98,7 +185,7 @@ describe "Kernel.Complex()" do
n2.should_receive(:real?).any_number_of_times.and_return(r2)
n2.should_receive(:*).with(Complex(0, 1)).and_return(n3)
n1.should_receive(:+).with(n3).and_return(n4)
- Complex(n1, n2).should equal(n4)
+ Complex(n1, n2).should.equal?(n4)
end
end
end
@@ -110,8 +197,8 @@ describe "Kernel.Complex()" do
n1.should_receive(:real?).any_number_of_times.and_return(true)
n2.should_receive(:real?).any_number_of_times.and_return(true)
result = Complex(n1, n2)
- result.real.should equal(n1)
- result.imag.should equal(n2)
+ result.real.should.equal?(n1)
+ result.imag.should.equal?(n2)
end
end
@@ -120,68 +207,70 @@ describe "Kernel.Complex()" do
n = mock("n")
c = Complex(0, 0)
n.should_receive(:to_c).and_return(c)
- Complex(n).should equal(c)
+ Complex(n).should.equal?(c)
end
end
describe "when passed a non-Numeric second argument" do
it "raises TypeError" do
- -> { Complex(:sym, :sym) }.should raise_error(TypeError)
- -> { Complex(0, :sym) }.should raise_error(TypeError)
+ -> { Complex(:sym, :sym) }.should.raise(TypeError)
+ -> { Complex(0, :sym) }.should.raise(TypeError)
end
end
describe "when passed nil" do
it "raises TypeError" do
- -> { Complex(nil) }.should raise_error(TypeError, "can't convert nil into Complex")
- -> { Complex(0, nil) }.should raise_error(TypeError, "can't convert nil into Complex")
- -> { Complex(nil, 0) }.should raise_error(TypeError, "can't convert nil into Complex")
+ -> { Complex(nil) }.should.raise(TypeError, "can't convert nil into Complex")
+ -> { Complex(0, nil) }.should.raise(TypeError, "can't convert nil into Complex")
+ -> { Complex(nil, 0) }.should.raise(TypeError, "can't convert nil into Complex")
end
end
- ruby_version_is "2.6" do
- describe "when passed exception: false" do
- describe "and [Numeric]" do
- it "returns a complex number" do
- Complex("123", exception: false).should == Complex(123)
- end
+ describe "when passed exception: false" do
+ describe "and [Numeric]" do
+ it "returns a complex number" do
+ Complex("123", exception: false).should == Complex(123)
end
+ end
- describe "and [non-Numeric]" do
- it "swallows an error" do
- Complex(:sym, exception: false).should == nil
- end
+ describe "and [non-Numeric]" do
+ it "swallows an error" do
+ Complex(:sym, exception: false).should == nil
end
+ end
- describe "and [non-Numeric, Numeric] argument" do
- it "throws a TypeError" do
- -> { Complex(:sym, 0, exception: false) }.should raise_error(TypeError, "not a real")
- end
+ describe "and [non-Numeric, Numeric] argument" do
+ it "throws a TypeError" do
+ -> { Complex(:sym, 0, exception: false) }.should.raise(TypeError, "not a real")
end
+ end
- describe "and [anything, non-Numeric] argument" do
- it "swallows an error" do
- Complex("a", :sym, exception: false).should == nil
- Complex(:sym, :sym, exception: false).should == nil
- Complex(0, :sym, exception: false).should == nil
- end
+ describe "and [anything, non-Numeric] argument" do
+ it "swallows an error" do
+ Complex("a", :sym, exception: false).should == nil
+ Complex(:sym, :sym, exception: false).should == nil
+ Complex(0, :sym, exception: false).should == nil
end
+ end
- describe "and non-numeric String arguments" do
- it "swallows an error" do
- Complex("a", "b", exception: false).should == nil
- Complex("a", 0, exception: false).should == nil
- Complex(0, "b", exception: false).should == nil
- end
+ describe "and non-numeric String arguments" do
+ it "swallows an error" do
+ Complex("a", "b", exception: false).should == nil
+ Complex("a", 0, exception: false).should == nil
+ Complex(0, "b", exception: false).should == nil
end
+ end
- describe "and nil arguments" do
- it "swallows an error" do
- Complex(nil, exception: false).should == nil
- Complex(0, nil, exception: false).should == nil
- Complex(nil, 0, exception: false).should == nil
- end
+ describe "and nil arguments" do
+ it "swallows an error" do
+ Complex(nil, exception: false).should == nil
+ Complex(0, nil, exception: false).should == nil
+ Complex(nil, 0, exception: false).should == nil
end
end
end
+
+ it "freezes its result" do
+ Complex(1).frozen?.should == true
+ end
end
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