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 const char **other; 23 double val; 24 int i, ret; 25 struct expr_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, 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 TEST_ASSERT_VAL("find other", 55 expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", &other, &num_other, 1) == 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 } 68