Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2#include "util/debug.h"
3#include "util/expr.h"
4#include "tests.h"
5#include <stdlib.h>
6#include <string.h>
7#include <linux/zalloc.h>
8
9static int test(struct expr_parse_ctx *ctx, const char *e, double val2)
10{
11 double val;
12
13 if (expr__parse(&val, ctx, e, 1))
14 TEST_ASSERT_VAL("parse test failed", 0);
15 TEST_ASSERT_VAL("unexpected value", val == val2);
16 return 0;
17}
18
19int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused)
20{
21 const char *p;
22 double val, *val_ptr;
23 int ret;
24 struct expr_parse_ctx ctx;
25
26 expr__ctx_init(&ctx);
27 expr__add_id(&ctx, strdup("FOO"), 1);
28 expr__add_id(&ctx, strdup("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 ret |= test(&ctx, "1.1 + 2.1", 3.2);
41 ret |= test(&ctx, ".1 + 2.", 2.1);
42
43 if (ret)
44 return ret;
45
46 p = "FOO/0";
47 ret = expr__parse(&val, &ctx, p, 1);
48 TEST_ASSERT_VAL("division by zero", ret == -1);
49
50 p = "BAR/";
51 ret = expr__parse(&val, &ctx, p, 1);
52 TEST_ASSERT_VAL("missing operand", ret == -1);
53
54 expr__ctx_clear(&ctx);
55 TEST_ASSERT_VAL("find other",
56 expr__find_other("FOO + BAR + BAZ + BOZO", "FOO",
57 &ctx, 1) == 0);
58 TEST_ASSERT_VAL("find other", hashmap__size(&ctx.ids) == 3);
59 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BAR",
60 (void **)&val_ptr));
61 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BAZ",
62 (void **)&val_ptr));
63 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BOZO",
64 (void **)&val_ptr));
65
66 expr__ctx_clear(&ctx);
67 TEST_ASSERT_VAL("find other",
68 expr__find_other("EVENT1\\,param\\=?@ + EVENT2\\,param\\=?@",
69 NULL, &ctx, 3) == 0);
70 TEST_ASSERT_VAL("find other", hashmap__size(&ctx.ids) == 2);
71 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "EVENT1,param=3/",
72 (void **)&val_ptr));
73 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "EVENT2,param=3/",
74 (void **)&val_ptr));
75
76 expr__ctx_clear(&ctx);
77
78 return 0;
79}