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3953e3a5 LE |
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 | ||
681c28a3 | 13 | #include "qemu/osdep.h" |
3953e3a5 LE |
14 | #include <glib.h> |
15 | ||
16 | #include "qemu/config-file.h" /* qemu_add_opts() */ | |
17 | #include "qemu/option.h" /* qemu_opts_parse() */ | |
18 | #include "qapi/opts-visitor.h" /* opts_visitor_new() */ | |
19 | #include "test-qapi-visit.h" /* visit_type_UserDefOptions() */ | |
20 | #include "qapi/dealloc-visitor.h" /* qapi_dealloc_visitor_new() */ | |
21 | ||
22 | static QemuOptsList userdef_opts = { | |
23 | .name = "userdef", | |
24 | .head = QTAILQ_HEAD_INITIALIZER(userdef_opts.head), | |
25 | .desc = { { 0 } } /* validated with OptsVisitor */ | |
26 | }; | |
27 | ||
28 | /* fixture (= glib test case context) and test case manipulation */ | |
29 | ||
30 | typedef struct OptsVisitorFixture { | |
31 | UserDefOptions *userdef; | |
32 | Error *err; | |
33 | } OptsVisitorFixture; | |
34 | ||
35 | ||
36 | static void | |
37 | setup_fixture(OptsVisitorFixture *f, gconstpointer test_data) | |
38 | { | |
39 | const char *opts_string = test_data; | |
40 | QemuOpts *opts; | |
41 | OptsVisitor *ov; | |
42 | ||
70b94331 MA |
43 | opts = qemu_opts_parse(qemu_find_opts("userdef"), opts_string, false, |
44 | NULL); | |
3953e3a5 LE |
45 | g_assert(opts != NULL); |
46 | ||
47 | ov = opts_visitor_new(opts); | |
51e72bc1 | 48 | visit_type_UserDefOptions(opts_get_visitor(ov), NULL, &f->userdef, |
3953e3a5 LE |
49 | &f->err); |
50 | opts_visitor_cleanup(ov); | |
51 | qemu_opts_del(opts); | |
52 | } | |
53 | ||
54 | ||
55 | static void | |
56 | teardown_fixture(OptsVisitorFixture *f, gconstpointer test_data) | |
57 | { | |
58 | if (f->userdef != NULL) { | |
59 | QapiDeallocVisitor *dv; | |
60 | ||
61 | dv = qapi_dealloc_visitor_new(); | |
51e72bc1 EB |
62 | visit_type_UserDefOptions(qapi_dealloc_get_visitor(dv), NULL, |
63 | &f->userdef, NULL); | |
3953e3a5 LE |
64 | qapi_dealloc_visitor_cleanup(dv); |
65 | } | |
66 | error_free(f->err); | |
67 | } | |
68 | ||
69 | ||
70 | static void | |
71 | add_test(const char *testpath, | |
72 | void (*test_func)(OptsVisitorFixture *f, gconstpointer test_data), | |
73 | gconstpointer test_data) | |
74 | { | |
75 | g_test_add(testpath, OptsVisitorFixture, test_data, setup_fixture, | |
76 | test_func, teardown_fixture); | |
77 | } | |
78 | ||
79 | /* test output evaluation */ | |
80 | ||
81 | static void | |
82 | expect_ok(OptsVisitorFixture *f, gconstpointer test_data) | |
83 | { | |
84 | g_assert(f->err == NULL); | |
85 | g_assert(f->userdef != NULL); | |
86 | } | |
87 | ||
88 | ||
89 | static void | |
90 | expect_fail(OptsVisitorFixture *f, gconstpointer test_data) | |
91 | { | |
92 | g_assert(f->err != NULL); | |
93 | ||
94 | /* The error message is printed when this test utility is invoked directly | |
95 | * (ie. without gtester) and the --verbose flag is passed: | |
96 | * | |
97 | * tests/test-opts-visitor --verbose | |
98 | */ | |
99 | g_test_message("'%s': %s", (const char *)test_data, | |
100 | error_get_pretty(f->err)); | |
101 | } | |
102 | ||
103 | ||
104 | static void | |
105 | test_value(OptsVisitorFixture *f, gconstpointer test_data) | |
106 | { | |
107 | uint64_t magic, bitval; | |
108 | intList *i64; | |
109 | uint64List *u64; | |
110 | uint16List *u16; | |
111 | ||
112 | expect_ok(f, test_data); | |
113 | ||
114 | magic = 0; | |
115 | for (i64 = f->userdef->i64; i64 != NULL; i64 = i64->next) { | |
116 | g_assert(-16 <= i64->value && i64->value < 64-16); | |
117 | bitval = 1ull << (i64->value + 16); | |
118 | g_assert((magic & bitval) == 0); | |
119 | magic |= bitval; | |
120 | } | |
121 | g_assert(magic == 0xDEADBEEF); | |
122 | ||
123 | magic = 0; | |
124 | for (u64 = f->userdef->u64; u64 != NULL; u64 = u64->next) { | |
125 | g_assert(u64->value < 64); | |
126 | bitval = 1ull << u64->value; | |
127 | g_assert((magic & bitval) == 0); | |
128 | magic |= bitval; | |
129 | } | |
5cb6be2c | 130 | g_assert(magic == 0xBADC0FFEE0DDF00DULL); |
3953e3a5 LE |
131 | |
132 | magic = 0; | |
133 | for (u16 = f->userdef->u16; u16 != NULL; u16 = u16->next) { | |
134 | g_assert(u16->value < 64); | |
135 | bitval = 1ull << u16->value; | |
136 | g_assert((magic & bitval) == 0); | |
137 | magic |= bitval; | |
138 | } | |
139 | g_assert(magic == 0xD15EA5E); | |
140 | } | |
141 | ||
142 | ||
143 | static void | |
144 | expect_i64_min(OptsVisitorFixture *f, gconstpointer test_data) | |
145 | { | |
146 | expect_ok(f, test_data); | |
147 | g_assert(f->userdef->has_i64); | |
148 | g_assert(f->userdef->i64->next == NULL); | |
149 | g_assert(f->userdef->i64->value == INT64_MIN); | |
150 | } | |
151 | ||
152 | ||
153 | static void | |
154 | expect_i64_max(OptsVisitorFixture *f, gconstpointer test_data) | |
155 | { | |
156 | expect_ok(f, test_data); | |
157 | g_assert(f->userdef->has_i64); | |
158 | g_assert(f->userdef->i64->next == NULL); | |
159 | g_assert(f->userdef->i64->value == INT64_MAX); | |
160 | } | |
161 | ||
162 | ||
163 | static void | |
164 | expect_zero(OptsVisitorFixture *f, gconstpointer test_data) | |
165 | { | |
166 | expect_ok(f, test_data); | |
167 | g_assert(f->userdef->has_u64); | |
168 | g_assert(f->userdef->u64->next == NULL); | |
169 | g_assert(f->userdef->u64->value == 0); | |
170 | } | |
171 | ||
172 | ||
173 | static void | |
174 | expect_u64_max(OptsVisitorFixture *f, gconstpointer test_data) | |
175 | { | |
176 | expect_ok(f, test_data); | |
177 | g_assert(f->userdef->has_u64); | |
178 | g_assert(f->userdef->u64->next == NULL); | |
179 | g_assert(f->userdef->u64->value == UINT64_MAX); | |
180 | } | |
181 | ||
182 | /* test cases */ | |
183 | ||
184 | int | |
185 | main(int argc, char **argv) | |
186 | { | |
187 | g_test_init(&argc, &argv, NULL); | |
188 | ||
189 | qemu_add_opts(&userdef_opts); | |
190 | ||
191 | /* Three hexadecimal magic numbers, "dead beef", "bad coffee, odd food" and | |
192 | * "disease", from | |
193 | * <http://en.wikipedia.org/wiki/Magic_number_%28programming%29>, were | |
194 | * converted to binary and dissected into bit ranges. Each magic number is | |
195 | * going to be recomposed using the lists called "i64", "u64" and "u16", | |
196 | * respectively. | |
197 | * | |
198 | * (Note that these types pertain to the individual bit shift counts, not | |
199 | * the magic numbers themselves; the intent is to exercise opts_type_int() | |
200 | * and opts_type_uint64().) | |
201 | * | |
202 | * The "i64" shift counts have been decreased by 16 (decimal) in order to | |
203 | * test negative values as well. Finally, the full list of QemuOpt elements | |
204 | * has been permuted with "shuf". | |
205 | * | |
206 | * Both "i64" and "u64" have some (distinct) single-element ranges | |
207 | * represented as both "a" and "a-a". "u16" is a special case of "i64" (see | |
208 | * visit_type_uint16()), so it wouldn't add a separate test in this regard. | |
209 | */ | |
210 | ||
211 | add_test("/visitor/opts/flatten/value", &test_value, | |
212 | "i64=-1-0,u64=12-16,u64=2-3,i64=-11--9,u64=57,u16=9,i64=5-5," | |
213 | "u16=1-4,u16=20,u64=63-63,i64=-16--13,u64=50-52,i64=14-15,u16=11," | |
214 | "i64=7,u16=18,i64=2-3,u16=6,u64=54-55,u64=0,u64=18-20,u64=33-43," | |
215 | "i64=9-12,u16=26-27,u64=59-61,u16=13-16,u64=29-31,u64=22-23," | |
216 | "u16=24,i64=-7--3"); | |
217 | ||
218 | add_test("/visitor/opts/i64/val1/errno", &expect_fail, | |
219 | "i64=0x8000000000000000"); | |
220 | add_test("/visitor/opts/i64/val1/empty", &expect_fail, "i64="); | |
221 | add_test("/visitor/opts/i64/val1/trailing", &expect_fail, "i64=5z"); | |
222 | add_test("/visitor/opts/i64/nonlist", &expect_fail, "i64x=5-6"); | |
223 | add_test("/visitor/opts/i64/val2/errno", &expect_fail, | |
224 | "i64=0x7fffffffffffffff-0x8000000000000000"); | |
225 | add_test("/visitor/opts/i64/val2/empty", &expect_fail, "i64=5-"); | |
226 | add_test("/visitor/opts/i64/val2/trailing", &expect_fail, "i64=5-6z"); | |
227 | add_test("/visitor/opts/i64/range/empty", &expect_fail, "i64=6-5"); | |
228 | add_test("/visitor/opts/i64/range/minval", &expect_i64_min, | |
229 | "i64=-0x8000000000000000--0x8000000000000000"); | |
230 | add_test("/visitor/opts/i64/range/maxval", &expect_i64_max, | |
231 | "i64=0x7fffffffffffffff-0x7fffffffffffffff"); | |
232 | ||
233 | add_test("/visitor/opts/u64/val1/errno", &expect_fail, "u64=-1"); | |
234 | add_test("/visitor/opts/u64/val1/empty", &expect_fail, "u64="); | |
235 | add_test("/visitor/opts/u64/val1/trailing", &expect_fail, "u64=5z"); | |
236 | add_test("/visitor/opts/u64/nonlist", &expect_fail, "u64x=5-6"); | |
237 | add_test("/visitor/opts/u64/val2/errno", &expect_fail, | |
238 | "u64=0xffffffffffffffff-0x10000000000000000"); | |
239 | add_test("/visitor/opts/u64/val2/empty", &expect_fail, "u64=5-"); | |
240 | add_test("/visitor/opts/u64/val2/trailing", &expect_fail, "u64=5-6z"); | |
241 | add_test("/visitor/opts/u64/range/empty", &expect_fail, "u64=6-5"); | |
242 | add_test("/visitor/opts/u64/range/minval", &expect_zero, "u64=0-0"); | |
243 | add_test("/visitor/opts/u64/range/maxval", &expect_u64_max, | |
244 | "u64=0xffffffffffffffff-0xffffffffffffffff"); | |
245 | ||
246 | /* Test maximum range sizes. The macro value is open-coded here | |
247 | * *intentionally*; the test case must use concrete values by design. If | |
248 | * OPTS_VISITOR_RANGE_MAX is changed, the following values need to be | |
249 | * recalculated as well. The assert and this comment should help with it. | |
250 | */ | |
251 | g_assert(OPTS_VISITOR_RANGE_MAX == 65536); | |
252 | ||
253 | /* The unsigned case is simple, a u64-u64 difference can always be | |
254 | * represented as a u64. | |
255 | */ | |
256 | add_test("/visitor/opts/u64/range/max", &expect_ok, "u64=0-65535"); | |
257 | add_test("/visitor/opts/u64/range/2big", &expect_fail, "u64=0-65536"); | |
258 | ||
259 | /* The same cannot be said about an i64-i64 difference. */ | |
260 | add_test("/visitor/opts/i64/range/max/pos/a", &expect_ok, | |
261 | "i64=0x7fffffffffff0000-0x7fffffffffffffff"); | |
262 | add_test("/visitor/opts/i64/range/max/pos/b", &expect_ok, | |
263 | "i64=0x7ffffffffffeffff-0x7ffffffffffffffe"); | |
264 | add_test("/visitor/opts/i64/range/2big/pos", &expect_fail, | |
265 | "i64=0x7ffffffffffeffff-0x7fffffffffffffff"); | |
266 | add_test("/visitor/opts/i64/range/max/neg/a", &expect_ok, | |
267 | "i64=-0x8000000000000000--0x7fffffffffff0001"); | |
268 | add_test("/visitor/opts/i64/range/max/neg/b", &expect_ok, | |
269 | "i64=-0x7fffffffffffffff--0x7fffffffffff0000"); | |
270 | add_test("/visitor/opts/i64/range/2big/neg", &expect_fail, | |
271 | "i64=-0x8000000000000000--0x7fffffffffff0000"); | |
272 | add_test("/visitor/opts/i64/range/2big/full", &expect_fail, | |
273 | "i64=-0x8000000000000000-0x7fffffffffffffff"); | |
274 | ||
275 | g_test_run(); | |
276 | return 0; | |
277 | } |