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