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Contents
require 'gir_ffi_test_helper'
describe GLib::HashTable do
it 'knows its key and value types' do
hsh = GLib::HashTable.new :gint32, :utf8
assert_equal :gint32, hsh.key_type
assert_equal :utf8, hsh.value_type
end
describe '::from' do
it 'creates a GHashTable from a Ruby hash' do
hsh = GLib::HashTable.from [:utf8, :gint32],
'foo' => 23, 'bar' => 32
assert_equal({ 'foo' => 23, 'bar' => 32 }, hsh.to_hash)
end
it 'return its argument if given a GHashTable' do
hsh = GLib::HashTable.from [:utf8, :gint32], 'foo' => 23, 'bar' => 32
hsh2 = GLib::HashTable.from [:utf8, :gint32], hsh
assert hsh2.equal? hsh
end
it 'wraps its argument if given a pointer' do
hsh = GLib::HashTable.from [:utf8, :gint32], 'foo' => 23, 'bar' => 32
pointer = hsh.to_ptr
assert_instance_of FFI::Pointer, pointer
hsh2 = GLib::HashTable.from [:utf8, :gint32], pointer
assert_instance_of GLib::HashTable, hsh2
refute hsh2.equal? hsh
hsh2.to_hash.must_equal hsh.to_hash
end
end
it 'allows key-value pairs to be inserted' do
h = GLib::HashTable.new :utf8, :utf8
h.insert 'foo', 'bar'
h.to_hash.must_equal 'foo' => 'bar'
end
it 'includes Enumerable' do
GLib::HashTable.must_include Enumerable
end
describe 'a HashTable provided by the system' do
before do
GirFFI.setup :Regress
@hash = Regress.test_ghash_container_return
end
it 'has a working #each method' do
a = {}
@hash.each { |k, v| a[k] = v }
a.must_be :==,
'foo' => 'bar',
'baz' => 'bat',
'qux' => 'quux'
end
it 'has a working #to_hash method' do
@hash.to_hash.must_be :==,
'foo' => 'bar',
'baz' => 'bat',
'qux' => 'quux'
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems