diff options
Diffstat (limited to 'spec/ruby/core/string/to_c_spec.rb')
-rw-r--r-- | spec/ruby/core/string/to_c_spec.rb | 114 |
1 files changed, 34 insertions, 80 deletions
diff --git a/spec/ruby/core/string/to_c_spec.rb b/spec/ruby/core/string/to_c_spec.rb index 9c84b14f4d..9d24f1f56c 100644 --- a/spec/ruby/core/string/to_c_spec.rb +++ b/spec/ruby/core/string/to_c_spec.rb @@ -1,99 +1,53 @@ require_relative '../../spec_helper' +require_relative '../../shared/kernel/complex' +require_relative 'fixtures/to_c' describe "String#to_c" do - it "returns a Complex object" do - '9'.to_c.should be_an_instance_of(Complex) - end - - it "understands integers" do - '20'.to_c.should == Complex(20) - end - - it "understands negative integers" do - '-3'.to_c.should == Complex(-3) - end - - it "understands fractions (numerator/denominator) for the real part" do - '2/3'.to_c.should == Complex(Rational(2, 3)) - end - - it "understands fractions (numerator/denominator) for the imaginary part" do - '4+2/3i'.to_c.should == Complex(4, Rational(2, 3)) - end - - it "understands negative fractions (-numerator/denominator) for the real part" do - '-2/3'.to_c.should == Complex(Rational(-2, 3)) - end - - it "understands negative fractions (-numerator/denominator) for the imaginary part" do - '7-2/3i'.to_c.should == Complex(7, Rational(-2, 3)) - end - - it "understands floats (a.b) for the real part" do - '2.3'.to_c.should == Complex(2.3) - end - - it "understands floats (a.b) for the imaginary part" do - '4+2.3i'.to_c.should == Complex(4, 2.3) - end - - it "understands negative floats (-a.b) for the real part" do - '-2.33'.to_c.should == Complex(-2.33) - end - - it "understands negative floats (-a.b) for the imaginary part" do - '7-28.771i'.to_c.should == Complex(7, -28.771) - end - - it "understands an integer followed by 'i' to mean that integer is the imaginary part" do - '35i'.to_c.should == Complex(0,35) - end - - it "understands a negative integer followed by 'i' to mean that negative integer is the imaginary part" do - '-29i'.to_c.should == Complex(0,-29) - end - - it "understands an 'i' by itself as denoting a complex number with an imaginary part of 1" do - 'i'.to_c.should == Complex(0,1) - end - - it "understands a '-i' by itself as denoting a complex number with an imaginary part of -1" do - '-i'.to_c.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 - '79+4i'.to_c.should == Complex(79,4) - end + it_behaves_like :kernel_complex, :to_c_method, StringSpecs +end - it "understands 'a-bi' to mean a complex number with 'a' as the real part, '-b' as the imaginary" do - '79-4i'.to_c.should == Complex(79,-4) +describe "String#to_c" do + it "returns a complex number with 0 as the real part, 0 as the imaginary part for unrecognised Strings" do + 'ruby'.to_c.should == Complex(0, 0) end - it "understands scientific notation for the real part" do - '2e3+4i'.to_c.should == Complex(2e3,4) + it "ignores trailing garbage" do + '79+4iruby'.to_c.should == Complex(79, 4) + ruby_bug "[Bug #19087]", ""..."3.2" do + '7__9+4__0i'.to_c.should == Complex(7, 0) + end end - it "understands negative scientific notation for the real part" do - '-2e3+4i'.to_c.should == Complex(-2e3,4) + it "understands Float::INFINITY" do + 'Infinity'.to_c.should == Complex(0, 1) + '-Infinity'.to_c.should == Complex(0, -1) end - it "understands scientific notation for the imaginary part" do - '4+2e3i'.to_c.should == Complex(4, 2e3) + it "understands Float::NAN" do + 'NaN'.to_c.should == Complex(0, 0) end - it "understands negative scientific notation for the imaginary part" do - '4-2e3i'.to_c.should == Complex(4, -2e3) + it "allows null-byte" do + "1-2i\0".to_c.should == Complex(1, -2) + "1\0-2i".to_c.should == Complex(1, 0) + "\01-2i".to_c.should == Complex(0, 0) end - it "understands scientific notation for the real and imaginary part in the same String" do - '2e3+2e4i'.to_c.should == Complex(2e3,2e4) + it "raises Encoding::CompatibilityError if String is in not ASCII-compatible encoding" do + -> { + '79+4i'.encode("UTF-16").to_c + }.should raise_error(Encoding::CompatibilityError, "ASCII incompatible encoding: UTF-16") end - it "understands negative scientific notation for the real and imaginary part in the same String" do - '-2e3-2e4i'.to_c.should == Complex(-2e3,-2e4) - end + ruby_version_is "3.2" do + it "treats a sequence of underscores as an end of Complex string" do + "5+3_1i".to_c.should == Complex(5, 31) + "5+3__1i".to_c.should == Complex(5) + "5+3___1i".to_c.should == Complex(5) - it "returns a complex number with 0 as the real part, 0 as the imaginary part for unrecognised Strings" do - 'ruby'.to_c.should == Complex(0,0) + "12_3".to_c.should == Complex(123) + "12__3".to_c.should == Complex(12) + "12___3".to_c.should == Complex(12) + end end end |