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Contents
# frozen_string_literal: true
require 'gir_ffi_test_helper'
describe GLib::SList do
it 'knows its element type' do
arr = GLib::SList.new :gint32
assert_equal :gint32, arr.element_type
end
describe '#prepend' do
it 'prepends integer values' do
lst = GLib::SList.new :gint32
res = lst.prepend 1
assert_equal 1, res.data
end
it 'prepends string values' do
lst = GLib::SList.new :utf8
res = lst.prepend 'bla'
assert_equal 'bla', res.data
end
it 'prepends multiple values into a single list' do
lst = GLib::SList.new :gint32
res = lst.prepend 1
res2 = res.prepend 2
assert_equal 2, res2.data
assert_equal 1, res.data
assert_equal res.to_ptr, res2.next.to_ptr
end
end
describe '::from' do
it 'creates a GSList from a Ruby array' do
lst = GLib::SList.from :gint32, [3, 2, 1]
assert_equal [3, 2, 1], lst.to_a
end
it 'return its argument if given a GSList' do
lst = GLib::SList.from :gint32, [3, 2, 1]
lst2 = GLib::SList.from :gint32, lst
assert_equal lst, lst2
end
end
describe '#==' do
it 'returns true when comparing to an array with the same elements' do
list = GLib::SList.from :gint32, [1, 2, 3]
list.must_be :==, [1, 2, 3]
end
it 'returns false when comparing to an array with different elements' do
list = GLib::SList.from :gint32, [1, 2, 3]
list.wont_be :==, [1, 2]
end
it 'returns true when comparing to a list with the same elements' do
list = GLib::SList.from :gint32, [1, 2, 3]
other = GLib::SList.from :gint32, [1, 2, 3]
list.must_be :==, other
end
it 'returns false when comparing to a list with different elements' do
list = GLib::SList.from :gint32, [1, 2, 3]
other = GLib::SList.from :gint32, [1, 2]
list.wont_be :==, other
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems