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// SPDX-License-Identifier: GPL-2.0
#include "util/debug.h"
#include "util/expr.h"
#include "tests.h"
#include <stdlib.h>
#include <string.h>
#include <linux/zalloc.h>
static int test(struct expr_parse_ctx *ctx, const char *e, double val2)
{
double val;
if (expr__parse(&val, ctx, e, 1))
TEST_ASSERT_VAL("parse test failed", 0);
TEST_ASSERT_VAL("unexpected value", val == val2);
return 0;
}
int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused)
{
const char *p;
double val, *val_ptr;
int ret;
struct expr_parse_ctx ctx;
expr__ctx_init(&ctx);
expr__add_id(&ctx, strdup("FOO"), 1);
expr__add_id(&ctx, strdup("BAR"), 2);
ret = test(&ctx, "1+1", 2);
ret |= test(&ctx, "FOO+BAR", 3);
ret |= test(&ctx, "(BAR/2)%2", 1);
ret |= test(&ctx, "1 - -4", 5);
ret |= test(&ctx, "(FOO-1)*2 + (BAR/2)%2 - -4", 5);
ret |= test(&ctx, "1-1 | 1", 1);
ret |= test(&ctx, "1-1 & 1", 0);
ret |= test(&ctx, "min(1,2) + 1", 2);
ret |= test(&ctx, "max(1,2) + 1", 3);
ret |= test(&ctx, "1+1 if 3*4 else 0", 2);
ret |= test(&ctx, "1.1 + 2.1", 3.2);
ret |= test(&ctx, ".1 + 2.", 2.1);
if (ret)
return ret;
p = "FOO/0";
ret = expr__parse(&val, &ctx, p, 1);
TEST_ASSERT_VAL("division by zero", ret == -1);
p = "BAR/";
ret = expr__parse(&val, &ctx, p, 1);
TEST_ASSERT_VAL("missing operand", ret == -1);
expr__ctx_clear(&ctx);
TEST_ASSERT_VAL("find other",
expr__find_other("FOO + BAR + BAZ + BOZO", "FOO",
&ctx, 1) == 0);
TEST_ASSERT_VAL("find other", hashmap__size(&ctx.ids) == 3);
TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BAR",
(void **)&val_ptr));
TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BAZ",
(void **)&val_ptr));
TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BOZO",
(void **)&val_ptr));
expr__ctx_clear(&ctx);
TEST_ASSERT_VAL("find other",
expr__find_other("EVENT1\\,param\\=?@ + EVENT2\\,param\\=?@",
NULL, &ctx, 3) == 0);
TEST_ASSERT_VAL("find other", hashmap__size(&ctx.ids) == 2);
TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "EVENT1,param=3/",
(void **)&val_ptr));
TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "EVENT2,param=3/",
(void **)&val_ptr));
expr__ctx_clear(&ctx);
return 0;
}
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