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 7 static int test(struct parse_ctx *ctx, const char *e, double val2) 8 { 9 double val; 10 11 if (expr__parse(&val, ctx, &e)) 12 TEST_ASSERT_VAL("parse test failed", 0); 13 TEST_ASSERT_VAL("unexpected value", val == val2); 14 return 0; 15 } 16 17 int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused) 18 { 19 const char *p; 20 const char **other; 21 double val; 22 int ret; 23 struct parse_ctx ctx; 24 int num_other; 25 26 expr__ctx_init(&ctx); 27 expr__add_id(&ctx, "FOO", 1); 28 expr__add_id(&ctx, "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 41 if (ret) 42 return ret; 43 44 p = "FOO/0"; 45 ret = expr__parse(&val, &ctx, &p); 46 TEST_ASSERT_VAL("division by zero", ret == 1); 47 48 p = "BAR/"; 49 ret = expr__parse(&val, &ctx, &p); 50 TEST_ASSERT_VAL("missing operand", ret == 1); 51 52 TEST_ASSERT_VAL("find other", 53 expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", &other, &num_other) == 0); 54 TEST_ASSERT_VAL("find other", num_other == 3); 55 TEST_ASSERT_VAL("find other", !strcmp(other[0], "BAR")); 56 TEST_ASSERT_VAL("find other", !strcmp(other[1], "BAZ")); 57 TEST_ASSERT_VAL("find other", !strcmp(other[2], "BOZO")); 58 TEST_ASSERT_VAL("find other", other[3] == NULL); 59 free((void *)other); 60 61 return 0; 62 } 63