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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
07516736 AK |
2 | #include "util/debug.h" |
3 | #include "util/expr.h" | |
4 | #include "tests.h" | |
5 | #include <stdlib.h> | |
d8f9da24 | 6 | #include <linux/zalloc.h> |
07516736 AK |
7 | |
8 | static int test(struct parse_ctx *ctx, const char *e, double val2) | |
9 | { | |
10 | double val; | |
11 | ||
12 | if (expr__parse(&val, ctx, &e)) | |
13 | TEST_ASSERT_VAL("parse test failed", 0); | |
14 | TEST_ASSERT_VAL("unexpected value", val == val2); | |
15 | return 0; | |
16 | } | |
17 | ||
81f17c90 | 18 | int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused) |
07516736 AK |
19 | { |
20 | const char *p; | |
21 | const char **other; | |
22 | double val; | |
f97a8991 | 23 | int i, ret; |
07516736 AK |
24 | struct parse_ctx ctx; |
25 | int num_other; | |
26 | ||
27 | expr__ctx_init(&ctx); | |
28 | expr__add_id(&ctx, "FOO", 1); | |
29 | expr__add_id(&ctx, "BAR", 2); | |
30 | ||
31 | ret = test(&ctx, "1+1", 2); | |
32 | ret |= test(&ctx, "FOO+BAR", 3); | |
33 | ret |= test(&ctx, "(BAR/2)%2", 1); | |
34 | ret |= test(&ctx, "1 - -4", 5); | |
35 | ret |= test(&ctx, "(FOO-1)*2 + (BAR/2)%2 - -4", 5); | |
d73bad06 AK |
36 | ret |= test(&ctx, "1-1 | 1", 1); |
37 | ret |= test(&ctx, "1-1 & 1", 0); | |
38 | ret |= test(&ctx, "min(1,2) + 1", 2); | |
39 | ret |= test(&ctx, "max(1,2) + 1", 3); | |
40 | ret |= test(&ctx, "1+1 if 3*4 else 0", 2); | |
07516736 AK |
41 | |
42 | if (ret) | |
43 | return ret; | |
44 | ||
45 | p = "FOO/0"; | |
46 | ret = expr__parse(&val, &ctx, &p); | |
47 | TEST_ASSERT_VAL("division by zero", ret == 1); | |
48 | ||
49 | p = "BAR/"; | |
50 | ret = expr__parse(&val, &ctx, &p); | |
51 | TEST_ASSERT_VAL("missing operand", ret == 1); | |
52 | ||
53 | TEST_ASSERT_VAL("find other", | |
54 | expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", &other, &num_other) == 0); | |
55 | TEST_ASSERT_VAL("find other", num_other == 3); | |
56 | TEST_ASSERT_VAL("find other", !strcmp(other[0], "BAR")); | |
57 | TEST_ASSERT_VAL("find other", !strcmp(other[1], "BAZ")); | |
58 | TEST_ASSERT_VAL("find other", !strcmp(other[2], "BOZO")); | |
59 | TEST_ASSERT_VAL("find other", other[3] == NULL); | |
f97a8991 CD |
60 | |
61 | for (i = 0; i < num_other; i++) | |
d8f9da24 | 62 | zfree(&other[i]); |
07516736 AK |
63 | free((void *)other); |
64 | ||
65 | return 0; | |
66 | } |