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require 'spec_helper'
RSpec.describe('Property parsing') do
# test various notations supported by Ruby
include_examples 'parse', '\p{sd}', 0 => [:property, :soft_dotted, negative?: false]
include_examples 'parse', '\p{SD}', 0 => [:property, :soft_dotted, negative?: false]
include_examples 'parse', '\p{Soft Dotted}', 0 => [:property, :soft_dotted, negative?: false]
include_examples 'parse', '\p{Soft-Dotted}', 0 => [:property, :soft_dotted, negative?: false]
include_examples 'parse', '\p{sOfT_dOtTeD}', 0 => [:property, :soft_dotted, negative?: false]
# test ^-negation
include_examples 'parse', '\p{^sd}', 0 => [:nonproperty, :soft_dotted, negative?: true]
include_examples 'parse', '\p{^SD}', 0 => [:nonproperty, :soft_dotted, negative?: true]
include_examples 'parse', '\p{^Soft Dotted}', 0 => [:nonproperty, :soft_dotted, negative?: true]
include_examples 'parse', '\p{^Soft-Dotted}', 0 => [:nonproperty, :soft_dotted, negative?: true]
include_examples 'parse', '\p{^sOfT_dOtTeD}', 0 => [:nonproperty, :soft_dotted, negative?: true]
# test P-negation
include_examples 'parse', '\P{sd}', 0 => [:nonproperty, :soft_dotted, negative?: true]
include_examples 'parse', '\P{SD}', 0 => [:nonproperty, :soft_dotted, negative?: true]
include_examples 'parse', '\P{Soft Dotted}', 0 => [:nonproperty, :soft_dotted, negative?: true]
include_examples 'parse', '\P{Soft-Dotted}', 0 => [:nonproperty, :soft_dotted, negative?: true]
include_examples 'parse', '\P{sOfT_dOtTeD}', 0 => [:nonproperty, :soft_dotted, negative?: true]
# double negation is positive again
include_examples 'parse', '\P{^sd}', 0 => [:property, :soft_dotted, negative?: false]
include_examples 'parse', '\P{^SD}', 0 => [:property, :soft_dotted, negative?: false]
include_examples 'parse', '\P{^Soft Dotted}', 0 => [:property, :soft_dotted, negative?: false]
include_examples 'parse', '\P{^Soft-Dotted}', 0 => [:property, :soft_dotted, negative?: false]
include_examples 'parse', '\P{^sOfT_dOtTeD}', 0 => [:property, :soft_dotted, negative?: false]
# test #shortcut
include_examples 'parse', '\p{soft_dotted}', 0 => [:property, :soft_dotted, shortcut: 'sd']
include_examples 'parse', '\p{sd}', 0 => [:property, :soft_dotted, shortcut: 'sd']
include_examples 'parse', '\p{in_bengali}', 0 => [:property, :in_bengali, shortcut: nil]
# test classification
include_examples 'parse', '\p{age=5.2}', 0 => [UnicodeProperty::Age]
include_examples 'parse', '\p{Math}', 0 => [UnicodeProperty::Derived]
include_examples 'parse', '\p{Hiragana}', 0 => [UnicodeProperty::Script]
include_examples 'parse', '\p{InArmenian}', 0 => [UnicodeProperty::Block]
specify('parse abandoned newline property') do
root = RP.parse('\p{newline}', 'ruby/1.9')
expect(root.expressions.last).to be_a(UnicodeProperty::Base)
expect { RP.parse('\p{newline}', 'ruby/2.0') }.to raise_error(Regexp::Syntax::NotImplementedError)
end
# cannot test older Rubies because of https://bugs.ruby-lang.org/issues/18686
if ruby_version_at_least('3.2.0')
specify('parse all properties of current ruby') do
unsupported = RegexpPropertyValues.all_for_current_ruby.reject do |prop|
RP.parse("\\p{#{prop}}") rescue false
end
expect(unsupported).to be_empty
end
end
# Ruby 2.3 supports a short prop name (sterm) without supporting the long name
# of the same prop (sentence_terminal). Let's ignore this unique case.
if ruby_version_at_least('2.4.0')
specify('parse only properties of current ruby') do
syntax = Regexp::Syntax.for("ruby/#{RUBY_VERSION}")
excessive = syntax.features.fetch(:property, []).reject do |prop|
begin
Regexp.new("\\p{#{prop}}")
rescue RegexpError, SyntaxError # error class depends on Ruby version
false
end
end
expect(excessive).to be_empty
end
end
end
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