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 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 19 int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused) 20 { 21 const char *p; 22 double val, *val_ptr; 23 int ret; 24 struct expr_parse_ctx ctx; 25 26 expr__ctx_init(&ctx); 27 expr__add_id(&ctx, strdup("FOO"), 1); 28 expr__add_id(&ctx, strdup("BAR"), 2); 29 30 ret = test(&ctx, "1+1", 2); 31 ret |= test(&ctx, "FOO+BAR", 3); 32 ret |= test(&ctx, "(BAR/2)%2", 1); 33 ret |= test(&ctx, "1 - -4", 5); 34 ret |= test(&ctx, "(FOO-1)*2 + (BAR/2)%2 - -4", 5); 35 ret |= test(&ctx, "1-1 | 1", 1); 36 ret |= test(&ctx, "1-1 & 1", 0); 37 ret |= test(&ctx, "min(1,2) + 1", 2); 38 ret |= test(&ctx, "max(1,2) + 1", 3); 39 ret |= test(&ctx, "1+1 if 3*4 else 0", 2); 40 ret |= test(&ctx, "1.1 + 2.1", 3.2); 41 ret |= test(&ctx, ".1 + 2.", 2.1); 42 43 if (ret) 44 return ret; 45 46 p = "FOO/0"; 47 ret = expr__parse(&val, &ctx, p, 1); 48 TEST_ASSERT_VAL("division by zero", ret == -1); 49 50 p = "BAR/"; 51 ret = expr__parse(&val, &ctx, p, 1); 52 TEST_ASSERT_VAL("missing operand", ret == -1); 53 54 expr__ctx_clear(&ctx); 55 TEST_ASSERT_VAL("find other", 56 expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", 57 &ctx, 1) == 0); 58 TEST_ASSERT_VAL("find other", hashmap__size(&ctx.ids) == 3); 59 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BAR", 60 (void **)&val_ptr)); 61 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BAZ", 62 (void **)&val_ptr)); 63 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BOZO", 64 (void **)&val_ptr)); 65 66 expr__ctx_clear(&ctx); 67 TEST_ASSERT_VAL("find other", 68 expr__find_other("EVENT1\\,param\\=?@ + EVENT2\\,param\\=?@", 69 NULL, &ctx, 3) == 0); 70 TEST_ASSERT_VAL("find other", hashmap__size(&ctx.ids) == 2); 71 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "EVENT1,param=3/", 72 (void **)&val_ptr)); 73 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "EVENT2,param=3/", 74 (void **)&val_ptr)); 75 76 expr__ctx_clear(&ctx); 77 78 return 0; 79 } 80