linux-stable/tools/perf/tests/expr.c
Ian Rogers 7e06a5e30a perf metric: Rename expr__find_other.
A later change will remove the notion of other, rename the function to
expr__find_ids as this is what it populates.

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: John Garry <john.garry@huawei.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sandeep Dasgupta <sdasgup@google.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20210923074616.674826-8-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-09-29 13:42:03 -03:00

91 lines
2.6 KiB
C

// 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)
{
struct expr_id_data *val_ptr;
const char *p;
double val;
int ret;
struct expr_parse_ctx *ctx;
ctx = expr__ctx_new();
TEST_ASSERT_VAL("expr__ctx_new", ctx);
expr__add_id_val(ctx, strdup("FOO"), 1);
expr__add_id_val(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);
ret |= test(ctx, "d_ratio(1, 2)", 0.5);
ret |= test(ctx, "d_ratio(2.5, 0)", 0);
ret |= test(ctx, "1.1 < 2.2", 1);
ret |= test(ctx, "2.2 > 1.1", 1);
ret |= test(ctx, "1.1 < 1.1", 0);
ret |= test(ctx, "2.2 > 2.2", 0);
ret |= test(ctx, "2.2 < 1.1", 0);
ret |= test(ctx, "1.1 > 2.2", 0);
if (ret) {
expr__ctx_free(ctx);
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 ids",
expr__find_ids("FOO + BAR + BAZ + BOZO", "FOO",
ctx, 1) == 0);
TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 3);
TEST_ASSERT_VAL("find ids", hashmap__find(ctx->ids, "BAR",
(void **)&val_ptr));
TEST_ASSERT_VAL("find ids", hashmap__find(ctx->ids, "BAZ",
(void **)&val_ptr));
TEST_ASSERT_VAL("find ids", hashmap__find(ctx->ids, "BOZO",
(void **)&val_ptr));
expr__ctx_clear(ctx);
TEST_ASSERT_VAL("find ids",
expr__find_ids("EVENT1\\,param\\=?@ + EVENT2\\,param\\=?@",
NULL, ctx, 3) == 0);
TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 2);
TEST_ASSERT_VAL("find ids", hashmap__find(ctx->ids, "EVENT1,param=3/",
(void **)&val_ptr));
TEST_ASSERT_VAL("find ids", hashmap__find(ctx->ids, "EVENT2,param=3/",
(void **)&val_ptr));
expr__ctx_free(ctx);
return 0;
}