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0converts_a_full_range_into_an_empty_one :: () {
1	char_class: CharClass;
2	defer uninit(*char_class);
3	add_range(*char_class, 0, Runemax);
4
5	negate(*char_class);
6
7	assert_that(char_class.ranges.count, is(0));
8} @Test
9
10converts_an_empty_range_into_a_full_one :: () {
11	char_class: CharClass;
12	defer uninit(*char_class);
13
14	negate(*char_class);
15
16	assert_that(char_class.ranges, contains_items(
17		make_range(0, Runemax),
18	is_equal = equal_range));
19} @Test
20
21// ToDo: report error if this still crashes with beta >=031
22// Simple_Range_Test_Args :: struct {
23// 	input: [] RuneRange;
24// 	expected: [] RuneRange;
25// };
26
27// converts_a_partial_range_into_the_rest_params :: Simple_Range_Test_Args.[
28// 	.{
29// 		RuneRange.[],
30// 		RuneRange.[.{0, Runemax}]
31// 	},
32// 	.{
33// 		RuneRange.[.{0, Runemax}],
34// 		RuneRange.[]
35// 	},
36// 	.{
37// 		RuneRange.[.{0, 100}],
38// 		RuneRange.[.{101, Runemax}]
39// 	},
40// ];
41
42Simple_Range_Test_Args :: struct {
43	input: RuneRange;
44	expected: RuneRange;
45};
46
47converts_a_partial_range_into_the_rest_params :: Simple_Range_Test_Args.[
48	.{
49		.{0, 100},
50		.{101, Runemax}
51	},
52	.{
53		.{100, Runemax},
54		.{0, 99},
55	},
56];
57
58converts_a_partial_range_into_the_rest :: (args: Simple_Range_Test_Args) {
59	char_class: CharClass;
60	defer uninit(*char_class);
61	add_range(*char_class, args.input.lo, args.input.hi);
62
63	negate(*char_class);
64
65	assert_that(char_class.ranges, contains_items(
66		args.expected,
67	is_equal = equal_range));
68} @Test
69
70converts_all_ranges_correctly :: () {
71	char_class: CharClass;
72	defer uninit(*char_class);
73	add_range(*char_class, 100, 150);
74	add_range(*char_class, 160, 170);
75
76	negate(*char_class);
77
78	assert_that(char_class.ranges, contains_items(
79		make_range(0, 99),
80		make_range(151, 159),
81		make_range(171, Runemax),
82	is_equal = equal_range));
83} @Test
84
85converts_all_ranges_correctly_2 :: () {
86	char_class: CharClass;
87	add_range(*char_class, 0, 100);
88	add_range(*char_class, 200, Runemax);
89
90	negate(*char_class);
91
92	assert_that(char_class.ranges, contains_items(
93		make_range(101, 199),
94	is_equal = equal_range));
95} @Test
96
97#scope_file
98
99equal_range :: (a: RuneRange, b: RuneRange) -> bool {
100	return a.lo == b.lo && a.hi == b.hi;
101}
102