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 test(struct expr_parse_ctx * ctx,const char * e,double val2)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 test__expr(struct test * t __maybe_unused,int subtest __maybe_unused)19 int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused) 20 { 21 struct expr_id_data *val_ptr; 22 const char *p; 23 double val; 24 int ret; 25 struct expr_parse_ctx ctx; 26 27 expr__ctx_init(&ctx); 28 expr__add_id_val(&ctx, strdup("FOO"), 1); 29 expr__add_id_val(&ctx, strdup("BAR"), 2); 30 31 ret = test(&ctx, "1+1", 2); 32 ret |= test(&ctx, "FOO+BAR", 3); 33 ret |= test(&ctx, "(BAR/2)%2", 1); 34 ret |= test(&ctx, "1 - -4", 5); 35 ret |= test(&ctx, "(FOO-1)*2 + (BAR/2)%2 - -4", 5); 36 ret |= test(&ctx, "1-1 | 1", 1); 37 ret |= test(&ctx, "1-1 & 1", 0); 38 ret |= test(&ctx, "min(1,2) + 1", 2); 39 ret |= test(&ctx, "max(1,2) + 1", 3); 40 ret |= test(&ctx, "1+1 if 3*4 else 0", 2); 41 ret |= test(&ctx, "1.1 + 2.1", 3.2); 42 ret |= test(&ctx, ".1 + 2.", 2.1); 43 ret |= test(&ctx, "d_ratio(1, 2)", 0.5); 44 ret |= test(&ctx, "d_ratio(2.5, 0)", 0); 45 ret |= test(&ctx, "1.1 < 2.2", 1); 46 ret |= test(&ctx, "2.2 > 1.1", 1); 47 ret |= test(&ctx, "1.1 < 1.1", 0); 48 ret |= test(&ctx, "2.2 > 2.2", 0); 49 ret |= test(&ctx, "2.2 < 1.1", 0); 50 ret |= test(&ctx, "1.1 > 2.2", 0); 51 52 if (ret) 53 return ret; 54 55 p = "FOO/0"; 56 ret = expr__parse(&val, &ctx, p, 1); 57 TEST_ASSERT_VAL("division by zero", ret == -1); 58 59 p = "BAR/"; 60 ret = expr__parse(&val, &ctx, p, 1); 61 TEST_ASSERT_VAL("missing operand", ret == -1); 62 63 expr__ctx_clear(&ctx); 64 TEST_ASSERT_VAL("find other", 65 expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", 66 &ctx, 1) == 0); 67 TEST_ASSERT_VAL("find other", hashmap__size(&ctx.ids) == 3); 68 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BAR", 69 (void **)&val_ptr)); 70 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BAZ", 71 (void **)&val_ptr)); 72 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "BOZO", 73 (void **)&val_ptr)); 74 75 expr__ctx_clear(&ctx); 76 TEST_ASSERT_VAL("find other", 77 expr__find_other("EVENT1\\,param\\=?@ + EVENT2\\,param\\=?@", 78 NULL, &ctx, 3) == 0); 79 TEST_ASSERT_VAL("find other", hashmap__size(&ctx.ids) == 2); 80 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "EVENT1,param=3/", 81 (void **)&val_ptr)); 82 TEST_ASSERT_VAL("find other", hashmap__find(&ctx.ids, "EVENT2,param=3/", 83 (void **)&val_ptr)); 84 85 expr__ctx_clear(&ctx); 86 87 return 0; 88 } 89