ds/tests/error.c

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2022-05-29 17:42:16 +02:00
// Copyright 2022 Darwin Schuppan <darwin@nobrain.org>
// SPDX license identifier: MIT
#include <ds/error.h>
#include <ds/fmt.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
static int iq;
static char iqstr[1024];
static Error no_error() {
return OK();
}
static Error no_brain() {
return ERROR_STRING("You do not have sufficient neural functionality to pass this test");
}
static Error no_brain_heap() {
char *s = malloc(128);
assert(s != NULL);
snprintf(s, 128, "Insufficient IQ: %d (required: 55)", iq);
return ERROR_HEAP_STRING(s);
}
static Error start_javascript_engine() {
return ERROR_OUT_OF_MEMORY();
}
static Error nested() {
return ERROR_NESTED(ERROR_STRING("Human error"), ERROR_NESTED(no_brain(), no_brain_heap()));
}
static Error idiot_takes_iq_test() {
return nested();
}
static Error dennis_takes_iq_test() {
return OK();
}
static Error try_to_take_the_iq_test(bool *failed) {
*failed = false;
TRY(idiot_takes_iq_test(), *failed = true);
return OK();
}
static Error force_dennis_to_take_the_iq_test(bool *failed) {
*failed = false;
TRY(dennis_takes_iq_test(), *failed = true);
return OK();
}
int main() {
srand(time(NULL));
iq = rand() % 55;
snprintf(iqstr, 1024, "Insufficient IQ: %d (required: 55)", iq);
fmt_init();
error_init();
Error e;
char *s = malloc(2048);
assert(s != NULL);
e = no_error();
assert(e.kind == ErrorNone);
assert(error_to_string(s, 2048, e, true) == strlen("Success"));
assert(strcmp(s, "Success") == 0);
e = no_brain();
assert(e.kind == ErrorString);
assert(!e.str_on_heap);
assert(error_to_string(s, 2048, e, true) == strlen("You do not have sufficient neural functionality to pass this test"));
assert(strcmp(s, "You do not have sufficient neural functionality to pass this test") == 0);
e = no_brain_heap();
assert(e.kind == ErrorString);
assert(e.str_on_heap);
assert(error_to_string(s, 2048, e, true) == strlen(iqstr));
assert(strcmp(s, iqstr) == 0);
e = start_javascript_engine();
assert(e.kind == ErrorOutOfMemory);
assert(error_to_string(s, 2048, e, true) == strlen("Out of memory"));
assert(strcmp(s, "Out of memory") == 0);
snprintf(iqstr, 1024, "Human error: You do not have sufficient neural functionality to pass this test: Insufficient IQ: %d (required: 55)", iq);
e = nested();
assert(e.kind == ErrorString);
assert(e.has_annex);
assert(error_to_string(NULL, 0, e, false) == strlen(iqstr)); /* should still give us the right size, also shouldn't free/destroy anything */
assert(error_to_string(s, 2048, e, true) == strlen(iqstr));
assert(strcmp(s, iqstr) == 0);
bool failed;
e = try_to_take_the_iq_test(&failed);
assert(e.kind == ErrorString);
assert(failed);
assert(error_to_string(s, 2048, e, true) == strlen(iqstr));
assert(strcmp(s, iqstr) == 0);
e = ERROR_HEREIFY(e);
assert(e.kind == ErrorString);
assert(e.has_location);
assert(e.file != NULL);
assert(e.line != 0);
e = force_dennis_to_take_the_iq_test(&failed);
assert(e.kind == ErrorNone);
assert(!failed);
assert(error_to_string(s, 2048, e, true) == strlen("Success"));
assert(strcmp(s, "Success") == 0);
e = nested();
fmts(s, 2048, "%{Error}", e);
assert(strcmp(s, iqstr) == 0);
fmts(NULL, 0, "%{Error:destroy}", e);
fmts(s, 2048, "%{Error:destroy}", nested());
assert(strcmp(s, iqstr) == 0);
free(s);
error_term();
fmt_term();
}