diff options
Diffstat (limited to 'test/fiddle/test_cparser.rb')
| -rw-r--r-- | test/fiddle/test_cparser.rb | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/test/fiddle/test_cparser.rb b/test/fiddle/test_cparser.rb index 5d9ac3c815..ef8cec5daa 100644 --- a/test/fiddle/test_cparser.rb +++ b/test/fiddle/test_cparser.rb @@ -2,6 +2,7 @@ begin require_relative 'helper' require 'fiddle/cparser' + require 'fiddle/import' rescue LoadError end @@ -68,6 +69,19 @@ module Fiddle assert_equal(-TYPE_LONG, parse_ctype('DWORD', {"DWORD" => "unsigned long"})) end + def expand_struct_types(types) + types.collect do |type| + case type + when Class + [expand_struct_types(type.types)] + when Array + [expand_struct_types([type[0]])[0][0], type[1]] + else + type + end + end + end + def test_struct_basic assert_equal [[TYPE_INT, TYPE_CHAR], ['i', 'c']], parse_struct_signature(['int i', 'char c']) end @@ -76,6 +90,93 @@ module Fiddle assert_equal [[[TYPE_CHAR,80],[TYPE_INT,5]], ['buffer','x']], parse_struct_signature(['char buffer[80]', 'int[5] x']) end + def test_struct_nested_struct + types, members = parse_struct_signature([ + 'int x', + {inner: ['int i', 'char c']}, + ]) + assert_equal([[TYPE_INT, [[TYPE_INT, TYPE_CHAR]]], + ['x', ['inner', ['i', 'c']]]], + [expand_struct_types(types), + members]) + end + + def test_struct_nested_defined_struct + inner = Fiddle::Importer.struct(['int i', 'char c']) + assert_equal([[TYPE_INT, inner], + ['x', ['inner', ['i', 'c']]]], + parse_struct_signature([ + 'int x', + {inner: inner}, + ])) + end + + def test_struct_double_nested_struct + types, members = parse_struct_signature([ + 'int x', + { + outer: [ + 'int y', + {inner: ['int i', 'char c']}, + ], + }, + ]) + assert_equal([[TYPE_INT, [[TYPE_INT, [[TYPE_INT, TYPE_CHAR]]]]], + ['x', ['outer', ['y', ['inner', ['i', 'c']]]]]], + [expand_struct_types(types), + members]) + end + + def test_struct_nested_struct_array + types, members = parse_struct_signature([ + 'int x', + { + 'inner[2]' => [ + 'int i', + 'char c', + ], + }, + ]) + assert_equal([[TYPE_INT, [[TYPE_INT, TYPE_CHAR], 2]], + ['x', ['inner', ['i', 'c']]]], + [expand_struct_types(types), + members]) + end + + def test_struct_double_nested_struct_inner_array + types, members = parse_struct_signature(outer: [ + 'int x', + { + 'inner[2]' => [ + 'int i', + 'char c', + ], + }, + ]) + assert_equal([[[[TYPE_INT, [[TYPE_INT, TYPE_CHAR], 2]]]], + [['outer', ['x', ['inner', ['i', 'c']]]]]], + [expand_struct_types(types), + members]) + end + + def test_struct_double_nested_struct_outer_array + types, members = parse_struct_signature([ + 'int x', + { + 'outer[2]' => { + inner: [ + 'int i', + 'char c', + ], + }, + }, + ]) + assert_equal([[TYPE_INT, [[[[TYPE_INT, TYPE_CHAR]]], 2]], + ['x', ['outer', [['inner', ['i', 'c']]]]]], + [expand_struct_types(types), + members]) + end + def test_struct_array_str assert_equal [[[TYPE_CHAR,80],[TYPE_INT,5]], ['buffer','x']], parse_struct_signature('char buffer[80], int[5] x') end @@ -179,6 +280,18 @@ module Fiddle assert_equal [TYPE_VOIDP, TYPE_INT, TYPE_INT], args end + def test_signature_variadic_arguments + unless Fiddle.const_defined?("TYPE_VARIADIC") + skip "libffi doesn't support variadic arguments" + end + assert_equal([ + "printf", + TYPE_INT, + [TYPE_VOIDP, TYPE_VARIADIC], + ], + parse_signature('int printf(const char *format, ...)')) + end + def test_signature_return_pointer func, ret, args = parse_signature('void* malloc(size_t)') assert_equal 'malloc', func |