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
test(struct expr_parse_ctx * ctx,const char * e,double val2)9 static 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
test__expr(struct test * t __maybe_unused,int subtest __maybe_unused)19 int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused)
20 {
21 struct expr_id_data *val_ptr;
22 const char *p;
23 double val;
24 int ret;
25 struct expr_parse_ctx ctx;
26
27 expr__ctx_init(&ctx);
28 expr__add_id_val(&ctx, strdup("FOO"), 1);
29 expr__add_id_val(&ctx, strdup("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);
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);
41 ret |= test(&ctx, "1.1 + 2.1", 3.2);
42 ret |= test(&ctx, ".1 + 2.", 2.1);
43 ret |= test(&ctx, "d_ratio(1, 2)", 0.5);
44 ret |= test(&ctx, "d_ratio(2.5, 0)", 0);
45 ret |= test(&ctx, "1.1 < 2.2", 1);
46 ret |= test(&ctx, "2.2 > 1.1", 1);
47 ret |= test(&ctx, "1.1 < 1.1", 0);
48 ret |= test(&ctx, "2.2 > 2.2", 0);
49 ret |= test(&ctx, "2.2 < 1.1", 0);
50 ret |= test(&ctx, "1.1 > 2.2", 0);
51
52 if (ret)
53 return ret;
54
55 p = "FOO/0";
56 ret = expr__parse(&val, &ctx, p, 1);
57 TEST_ASSERT_VAL("division by zero", ret == -1);
58
59 p = "BAR/";
60 ret = expr__parse(&val, &ctx, p, 1);
61 TEST_ASSERT_VAL("missing operand", ret == -1);
62
63 expr__ctx_clear(&ctx);
64 TEST_ASSERT_VAL("find other",
65 expr__find_other("FOO + BAR + BAZ + BOZO", "FOO",
66 &ctx, 1) == 0);
67 TEST_ASSERT_VAL("find other", hashmap__size(&ctx.ids) == 3);
68 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BAR",
69 (void **)&val_ptr));
70 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BAZ",
71 (void **)&val_ptr));
72 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BOZO",
73 (void **)&val_ptr));
74
75 expr__ctx_clear(&ctx);
76 TEST_ASSERT_VAL("find other",
77 expr__find_other("EVENT1\\,param\\=?@ + EVENT2\\,param\\=?@",
78 NULL, &ctx, 3) == 0);
79 TEST_ASSERT_VAL("find other", hashmap__size(&ctx.ids) == 2);
80 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "EVENT1,param=3/",
81 (void **)&val_ptr));
82 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "EVENT2,param=3/",
83 (void **)&val_ptr));
84
85 expr__ctx_clear(&ctx);
86
87 return 0;
88 }
89