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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)
- {
- struct expr_id_data *val_ptr;
- const char *p;
- double val;
- int ret;
- struct expr_parse_ctx ctx;
- expr__ctx_init(&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)
- 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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