From c770fbab1b97f2ea69ac42b264aaf84313a2ec3f Mon Sep 17 00:00:00 2001
From: "Sven M. Hallberg" <pesco@khjk.org>
Date: Fri, 25 Sep 2015 16:47:07 +0200
Subject: [PATCH] add regression test for charset over-allocation
---
src/t_regression.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/src/t_regression.c b/src/t_regression.c
index 4097fb6c..03478e63 100644
--- a/src/t_regression.c
+++ b/src/t_regression.c
@@ -140,6 +140,28 @@ static void test_cfg_many_seq(void) {
// reshape on h_many.
}
+static uint8_t test_charset_bits__buf[256];
+static void *test_charset_bits__alloc(HAllocator *allocator, size_t size)
+{
+ g_check_cmp_uint64(size, ==, 256/8);
+ assert(size <= 256);
+ return test_charset_bits__buf;
+}
+static void test_charset_bits(void) {
+ // charset would allocate 256 bytes instead of 256 bits (= 32 bytes)
+
+ HAllocator alloc = {
+ .alloc = test_charset_bits__alloc,
+ .realloc = NULL,
+ .free = NULL,
+ };
+ test_charset_bits__buf[32] = 0xAB;
+ HCharset cs = new_charset(&alloc);
+ for(size_t i=0; i<32; i++)
+ g_check_cmp_uint32(test_charset_bits__buf[i], ==, 0);
+ g_check_cmp_uint32(test_charset_bits__buf[32], ==, 0xAB);
+}
+
void register_regression_tests(void) {
g_test_add_func("/core/regression/bug118", test_bug118);
g_test_add_func("/core/regression/seq_index_path", test_seq_index_path);
@@ -147,4 +169,5 @@ void register_regression_tests(void) {
g_test_add_func("/core/regression/llk_zero_end", test_llk_zero_end);
g_test_add_func("/core/regression/lalr_charset_lhs", test_lalr_charset_lhs);
g_test_add_func("/core/regression/cfg_many_seq", test_cfg_many_seq);
+ g_test_add_func("/core/regression/charset_bits", test_charset_bits);
}
--
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