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1 | /* |
2 | * Options Visitor unit-tests. | |
3 | * | |
4 | * Copyright (C) 2013 Red Hat, Inc. | |
5 | * | |
6 | * Authors: | |
7 | * Laszlo Ersek <lersek@redhat.com> (based on test-string-output-visitor) | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
10 | * See the COPYING file in the top-level directory. | |
11 | */ | |
12 | ||
13 | #include <glib.h> | |
14 | ||
15 | #include "qemu/config-file.h" /* qemu_add_opts() */ | |
16 | #include "qemu/option.h" /* qemu_opts_parse() */ | |
17 | #include "qapi/opts-visitor.h" /* opts_visitor_new() */ | |
18 | #include "test-qapi-visit.h" /* visit_type_UserDefOptions() */ | |
19 | #include "qapi/dealloc-visitor.h" /* qapi_dealloc_visitor_new() */ | |
20 | ||
21 | static QemuOptsList userdef_opts = { | |
22 | .name = "userdef", | |
23 | .head = QTAILQ_HEAD_INITIALIZER(userdef_opts.head), | |
24 | .desc = { { 0 } } /* validated with OptsVisitor */ | |
25 | }; | |
26 | ||
27 | /* fixture (= glib test case context) and test case manipulation */ | |
28 | ||
29 | typedef struct OptsVisitorFixture { | |
30 | UserDefOptions *userdef; | |
31 | Error *err; | |
32 | } OptsVisitorFixture; | |
33 | ||
34 | ||
35 | static void | |
36 | setup_fixture(OptsVisitorFixture *f, gconstpointer test_data) | |
37 | { | |
38 | const char *opts_string = test_data; | |
39 | QemuOpts *opts; | |
40 | OptsVisitor *ov; | |
41 | ||
42 | opts = qemu_opts_parse(qemu_find_opts("userdef"), opts_string, 0); | |
43 | g_assert(opts != NULL); | |
44 | ||
45 | ov = opts_visitor_new(opts); | |
46 | visit_type_UserDefOptions(opts_get_visitor(ov), &f->userdef, NULL, | |
47 | &f->err); | |
48 | opts_visitor_cleanup(ov); | |
49 | qemu_opts_del(opts); | |
50 | } | |
51 | ||
52 | ||
53 | static void | |
54 | teardown_fixture(OptsVisitorFixture *f, gconstpointer test_data) | |
55 | { | |
56 | if (f->userdef != NULL) { | |
57 | QapiDeallocVisitor *dv; | |
58 | ||
59 | dv = qapi_dealloc_visitor_new(); | |
60 | visit_type_UserDefOptions(qapi_dealloc_get_visitor(dv), &f->userdef, | |
61 | NULL, NULL); | |
62 | qapi_dealloc_visitor_cleanup(dv); | |
63 | } | |
64 | error_free(f->err); | |
65 | } | |
66 | ||
67 | ||
68 | static void | |
69 | add_test(const char *testpath, | |
70 | void (*test_func)(OptsVisitorFixture *f, gconstpointer test_data), | |
71 | gconstpointer test_data) | |
72 | { | |
73 | g_test_add(testpath, OptsVisitorFixture, test_data, setup_fixture, | |
74 | test_func, teardown_fixture); | |
75 | } | |
76 | ||
77 | /* test output evaluation */ | |
78 | ||
79 | static void | |
80 | expect_ok(OptsVisitorFixture *f, gconstpointer test_data) | |
81 | { | |
82 | g_assert(f->err == NULL); | |
83 | g_assert(f->userdef != NULL); | |
84 | } | |
85 | ||
86 | ||
87 | static void | |
88 | expect_fail(OptsVisitorFixture *f, gconstpointer test_data) | |
89 | { | |
90 | g_assert(f->err != NULL); | |
91 | ||
92 | /* The error message is printed when this test utility is invoked directly | |
93 | * (ie. without gtester) and the --verbose flag is passed: | |
94 | * | |
95 | * tests/test-opts-visitor --verbose | |
96 | */ | |
97 | g_test_message("'%s': %s", (const char *)test_data, | |
98 | error_get_pretty(f->err)); | |
99 | } | |
100 | ||
101 | ||
102 | static void | |
103 | test_value(OptsVisitorFixture *f, gconstpointer test_data) | |
104 | { | |
105 | uint64_t magic, bitval; | |
106 | intList *i64; | |
107 | uint64List *u64; | |
108 | uint16List *u16; | |
109 | ||
110 | expect_ok(f, test_data); | |
111 | ||
112 | magic = 0; | |
113 | for (i64 = f->userdef->i64; i64 != NULL; i64 = i64->next) { | |
114 | g_assert(-16 <= i64->value && i64->value < 64-16); | |
115 | bitval = 1ull << (i64->value + 16); | |
116 | g_assert((magic & bitval) == 0); | |
117 | magic |= bitval; | |
118 | } | |
119 | g_assert(magic == 0xDEADBEEF); | |
120 | ||
121 | magic = 0; | |
122 | for (u64 = f->userdef->u64; u64 != NULL; u64 = u64->next) { | |
123 | g_assert(u64->value < 64); | |
124 | bitval = 1ull << u64->value; | |
125 | g_assert((magic & bitval) == 0); | |
126 | magic |= bitval; | |
127 | } | |
5cb6be2c | 128 | g_assert(magic == 0xBADC0FFEE0DDF00DULL); |
3953e3a5 LE |
129 | |
130 | magic = 0; | |
131 | for (u16 = f->userdef->u16; u16 != NULL; u16 = u16->next) { | |
132 | g_assert(u16->value < 64); | |
133 | bitval = 1ull << u16->value; | |
134 | g_assert((magic & bitval) == 0); | |
135 | magic |= bitval; | |
136 | } | |
137 | g_assert(magic == 0xD15EA5E); | |
138 | } | |
139 | ||
140 | ||
141 | static void | |
142 | expect_i64_min(OptsVisitorFixture *f, gconstpointer test_data) | |
143 | { | |
144 | expect_ok(f, test_data); | |
145 | g_assert(f->userdef->has_i64); | |
146 | g_assert(f->userdef->i64->next == NULL); | |
147 | g_assert(f->userdef->i64->value == INT64_MIN); | |
148 | } | |
149 | ||
150 | ||
151 | static void | |
152 | expect_i64_max(OptsVisitorFixture *f, gconstpointer test_data) | |
153 | { | |
154 | expect_ok(f, test_data); | |
155 | g_assert(f->userdef->has_i64); | |
156 | g_assert(f->userdef->i64->next == NULL); | |
157 | g_assert(f->userdef->i64->value == INT64_MAX); | |
158 | } | |
159 | ||
160 | ||
161 | static void | |
162 | expect_zero(OptsVisitorFixture *f, gconstpointer test_data) | |
163 | { | |
164 | expect_ok(f, test_data); | |
165 | g_assert(f->userdef->has_u64); | |
166 | g_assert(f->userdef->u64->next == NULL); | |
167 | g_assert(f->userdef->u64->value == 0); | |
168 | } | |
169 | ||
170 | ||
171 | static void | |
172 | expect_u64_max(OptsVisitorFixture *f, gconstpointer test_data) | |
173 | { | |
174 | expect_ok(f, test_data); | |
175 | g_assert(f->userdef->has_u64); | |
176 | g_assert(f->userdef->u64->next == NULL); | |
177 | g_assert(f->userdef->u64->value == UINT64_MAX); | |
178 | } | |
179 | ||
180 | /* test cases */ | |
181 | ||
182 | int | |
183 | main(int argc, char **argv) | |
184 | { | |
185 | g_test_init(&argc, &argv, NULL); | |
186 | ||
187 | qemu_add_opts(&userdef_opts); | |
188 | ||
189 | /* Three hexadecimal magic numbers, "dead beef", "bad coffee, odd food" and | |
190 | * "disease", from | |
191 | * <http://en.wikipedia.org/wiki/Magic_number_%28programming%29>, were | |
192 | * converted to binary and dissected into bit ranges. Each magic number is | |
193 | * going to be recomposed using the lists called "i64", "u64" and "u16", | |
194 | * respectively. | |
195 | * | |
196 | * (Note that these types pertain to the individual bit shift counts, not | |
197 | * the magic numbers themselves; the intent is to exercise opts_type_int() | |
198 | * and opts_type_uint64().) | |
199 | * | |
200 | * The "i64" shift counts have been decreased by 16 (decimal) in order to | |
201 | * test negative values as well. Finally, the full list of QemuOpt elements | |
202 | * has been permuted with "shuf". | |
203 | * | |
204 | * Both "i64" and "u64" have some (distinct) single-element ranges | |
205 | * represented as both "a" and "a-a". "u16" is a special case of "i64" (see | |
206 | * visit_type_uint16()), so it wouldn't add a separate test in this regard. | |
207 | */ | |
208 | ||
209 | add_test("/visitor/opts/flatten/value", &test_value, | |
210 | "i64=-1-0,u64=12-16,u64=2-3,i64=-11--9,u64=57,u16=9,i64=5-5," | |
211 | "u16=1-4,u16=20,u64=63-63,i64=-16--13,u64=50-52,i64=14-15,u16=11," | |
212 | "i64=7,u16=18,i64=2-3,u16=6,u64=54-55,u64=0,u64=18-20,u64=33-43," | |
213 | "i64=9-12,u16=26-27,u64=59-61,u16=13-16,u64=29-31,u64=22-23," | |
214 | "u16=24,i64=-7--3"); | |
215 | ||
216 | add_test("/visitor/opts/i64/val1/errno", &expect_fail, | |
217 | "i64=0x8000000000000000"); | |
218 | add_test("/visitor/opts/i64/val1/empty", &expect_fail, "i64="); | |
219 | add_test("/visitor/opts/i64/val1/trailing", &expect_fail, "i64=5z"); | |
220 | add_test("/visitor/opts/i64/nonlist", &expect_fail, "i64x=5-6"); | |
221 | add_test("/visitor/opts/i64/val2/errno", &expect_fail, | |
222 | "i64=0x7fffffffffffffff-0x8000000000000000"); | |
223 | add_test("/visitor/opts/i64/val2/empty", &expect_fail, "i64=5-"); | |
224 | add_test("/visitor/opts/i64/val2/trailing", &expect_fail, "i64=5-6z"); | |
225 | add_test("/visitor/opts/i64/range/empty", &expect_fail, "i64=6-5"); | |
226 | add_test("/visitor/opts/i64/range/minval", &expect_i64_min, | |
227 | "i64=-0x8000000000000000--0x8000000000000000"); | |
228 | add_test("/visitor/opts/i64/range/maxval", &expect_i64_max, | |
229 | "i64=0x7fffffffffffffff-0x7fffffffffffffff"); | |
230 | ||
231 | add_test("/visitor/opts/u64/val1/errno", &expect_fail, "u64=-1"); | |
232 | add_test("/visitor/opts/u64/val1/empty", &expect_fail, "u64="); | |
233 | add_test("/visitor/opts/u64/val1/trailing", &expect_fail, "u64=5z"); | |
234 | add_test("/visitor/opts/u64/nonlist", &expect_fail, "u64x=5-6"); | |
235 | add_test("/visitor/opts/u64/val2/errno", &expect_fail, | |
236 | "u64=0xffffffffffffffff-0x10000000000000000"); | |
237 | add_test("/visitor/opts/u64/val2/empty", &expect_fail, "u64=5-"); | |
238 | add_test("/visitor/opts/u64/val2/trailing", &expect_fail, "u64=5-6z"); | |
239 | add_test("/visitor/opts/u64/range/empty", &expect_fail, "u64=6-5"); | |
240 | add_test("/visitor/opts/u64/range/minval", &expect_zero, "u64=0-0"); | |
241 | add_test("/visitor/opts/u64/range/maxval", &expect_u64_max, | |
242 | "u64=0xffffffffffffffff-0xffffffffffffffff"); | |
243 | ||
244 | /* Test maximum range sizes. The macro value is open-coded here | |
245 | * *intentionally*; the test case must use concrete values by design. If | |
246 | * OPTS_VISITOR_RANGE_MAX is changed, the following values need to be | |
247 | * recalculated as well. The assert and this comment should help with it. | |
248 | */ | |
249 | g_assert(OPTS_VISITOR_RANGE_MAX == 65536); | |
250 | ||
251 | /* The unsigned case is simple, a u64-u64 difference can always be | |
252 | * represented as a u64. | |
253 | */ | |
254 | add_test("/visitor/opts/u64/range/max", &expect_ok, "u64=0-65535"); | |
255 | add_test("/visitor/opts/u64/range/2big", &expect_fail, "u64=0-65536"); | |
256 | ||
257 | /* The same cannot be said about an i64-i64 difference. */ | |
258 | add_test("/visitor/opts/i64/range/max/pos/a", &expect_ok, | |
259 | "i64=0x7fffffffffff0000-0x7fffffffffffffff"); | |
260 | add_test("/visitor/opts/i64/range/max/pos/b", &expect_ok, | |
261 | "i64=0x7ffffffffffeffff-0x7ffffffffffffffe"); | |
262 | add_test("/visitor/opts/i64/range/2big/pos", &expect_fail, | |
263 | "i64=0x7ffffffffffeffff-0x7fffffffffffffff"); | |
264 | add_test("/visitor/opts/i64/range/max/neg/a", &expect_ok, | |
265 | "i64=-0x8000000000000000--0x7fffffffffff0001"); | |
266 | add_test("/visitor/opts/i64/range/max/neg/b", &expect_ok, | |
267 | "i64=-0x7fffffffffffffff--0x7fffffffffff0000"); | |
268 | add_test("/visitor/opts/i64/range/2big/neg", &expect_fail, | |
269 | "i64=-0x8000000000000000--0x7fffffffffff0000"); | |
270 | add_test("/visitor/opts/i64/range/2big/full", &expect_fail, | |
271 | "i64=-0x8000000000000000-0x7fffffffffffffff"); | |
272 | ||
273 | g_test_run(); | |
274 | return 0; | |
275 | } |