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Yield NULL from read_expression() on invalid input

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This commit is contained in:
Camden Dixie O'Brien
2024-10-24 20:57:29 +01:00
parent e0070bfb1e
commit 10803109db
2 changed files with 21 additions and 2 deletions
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16
tests/reader_tests.c
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@@ -166,6 +166,20 @@ static void paren_1_plus_2_times_3_close_paren_parses_as_left_nested(void)
ASSERT_EQUAL(3, operand1->number);
}
static void garbage_input_yeilds_null(void)
{
init_memory_pool(&pool);
const expression_t *result = read_expression(&pool, "arwizxhu", 8);
ASSERT_NULL(result);
}
static void valid_expression_followed_by_garbage_yeilds_null(void)
{
init_memory_pool(&pool);
const expression_t *result = read_expression(&pool, "5+2jvkre", 8);
ASSERT_NULL(result);
}
int main(void)
{
TESTING_BEGIN();
@@ -180,5 +194,7 @@ int main(void)
RUN_TEST(input_1_times_2_times_3_is_parsed_as_a_left_nested_application);
RUN_TEST(input_1_plus_2_times_3_is_parsed_as_a_right_nested_application);
RUN_TEST(paren_1_plus_2_times_3_close_paren_parses_as_left_nested);
RUN_TEST(garbage_input_yeilds_null);
RUN_TEST(valid_expression_followed_by_garbage_yeilds_null);
TESTING_END();
}