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Add test to ensure that referencing a non-existent rule in another rule returns the proper error

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This commit is contained in:
Sean Usher
2016-11-07 20:30:14 -08:00
parent 71af0741db
commit 7380584a6f
1 changed files with 27 additions and 0 deletions
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27
tests/grammar.c
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@@ -1,5 +1,7 @@
#include "ptest.h"
#include "../mpc.h"
#include <stdio.h>
#include <stdlib.h>
void test_grammar(void) {
@@ -254,6 +256,30 @@ void test_qscript(void) {
}
void test_missingrule(void) {
mpc_ast_t *t0;
mpc_err_t *err;
mpc_parser_t *Parser = mpc_new("parser");
err = mpca_lang(MPCA_LANG_DEFAULT,
"parser : /^/ (<missing>)* /$/ ;\n",
Parser, NULL);
PT_ASSERT(err == NULL);
mpc_result_t r;
int result = mpc_parse("<stdin>", "test", Parser, &r);
PT_ASSERT(result == 0);
PT_ASSERT(r.error != NULL);
PT_ASSERT(strcmp(r.error->failure, "Unknown Parser 'missing'!") == 0);
mpc_cleanup(1, Parser);
}
void suite_grammar(void) {
pt_add_test(test_grammar, "Test Grammar", "Suite Grammar");
pt_add_test(test_language, "Test Language", "Suite Grammar");
@@ -261,4 +287,5 @@ void suite_grammar(void) {
pt_add_test(test_doge, "Test Doge", "Suite Grammar");
pt_add_test(test_partial, "Test Partial", "Suite Grammar");
pt_add_test(test_qscript, "Test QScript", "Suite Grammar");
pt_add_test(test_missingrule, "Test Missing Rule", "Suite Grammar");
}