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 parse_ctx *ctx, const char *e, double val2)
10{
11	double val;
12
13	if (expr__parse(&val, ctx, &e))
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	const char **other;
23	double val;
24	int i, ret;
25	struct parse_ctx ctx;
26	int num_other;
27
28	expr__ctx_init(&ctx);
29	expr__add_id(&ctx, "FOO", 1);
30	expr__add_id(&ctx, "BAR", 2);
31
32	ret = test(&ctx, "1+1", 2);
33	ret |= test(&ctx, "FOO+BAR", 3);
34	ret |= test(&ctx, "(BAR/2)%2", 1);
35	ret |= test(&ctx, "1 - -4",  5);
36	ret |= test(&ctx, "(FOO-1)*2 + (BAR/2)%2 - -4",  5);
37	ret |= test(&ctx, "1-1 | 1", 1);
38	ret |= test(&ctx, "1-1 & 1", 0);
39	ret |= test(&ctx, "min(1,2) + 1", 2);
40	ret |= test(&ctx, "max(1,2) + 1", 3);
41	ret |= test(&ctx, "1+1 if 3*4 else 0", 2);
 
 
 
 
 
 
 
 
 
 
42
43	if (ret)
44		return ret;
45
46	p = "FOO/0";
47	ret = expr__parse(&val, &ctx, &p);
48	TEST_ASSERT_VAL("division by zero", ret == 1);
49
50	p = "BAR/";
51	ret = expr__parse(&val, &ctx, &p);
52	TEST_ASSERT_VAL("missing operand", ret == 1);
53
 
54	TEST_ASSERT_VAL("find other",
55			expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", &other, &num_other) == 0);
56	TEST_ASSERT_VAL("find other", num_other == 3);
57	TEST_ASSERT_VAL("find other", !strcmp(other[0], "BAR"));
58	TEST_ASSERT_VAL("find other", !strcmp(other[1], "BAZ"));
59	TEST_ASSERT_VAL("find other", !strcmp(other[2], "BOZO"));
60	TEST_ASSERT_VAL("find other", other[3] == NULL);
61
62	for (i = 0; i < num_other; i++)
63		zfree(&other[i]);
64	free((void *)other);
 
 
 
 
 
 
 
 
 
 
 
65
66	return 0;
67}

 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	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}