Add more cases to huge_test to cover sizes close to word-type maximum

* tests/huge_test.c (GC_WORD_MAX): New macro.
* tests/huge_test.c (GC_SWORD_MAX): Use GC_WORD_MAX.
* tests/huge_test.c (main): Add GC_SWORD_MAX+1, GC_WORD_MAX,
GC_WORD_MAX-4/8/16/1024 test cases.

diff --git a/tests/huge_test.c b/tests/huge_test.c
index 9c29af3..10d13ef 100644 (file)
--- a/tests/huge_test.c
+++ b/tests/huge_test.c
@@ -36,7 +36,8 @@
     } \
   } while (0)
 
-#define GC_SWORD_MAX ((GC_signed_word)(((GC_word)-1) >> 1))
+#define GC_WORD_MAX ((GC_word)-1)
+#define GC_SWORD_MAX ((GC_signed_word)(GC_WORD_MAX >> 1))
 
 int main(void)
 {
@@ -44,7 +45,13 @@ int main(void)
 
     CHECK_ALLOC_FAILED(GC_MALLOC(GC_SWORD_MAX - 1024), "SWORD_MAX-1024");
     CHECK_ALLOC_FAILED(GC_MALLOC(GC_SWORD_MAX), "SWORD_MAX");
+    CHECK_ALLOC_FAILED(GC_MALLOC((GC_word)GC_SWORD_MAX + 1), "SWORD_MAX+1");
     CHECK_ALLOC_FAILED(GC_MALLOC((GC_word)GC_SWORD_MAX + 1024),
                        "SWORD_MAX+1024");
+    CHECK_ALLOC_FAILED(GC_MALLOC(GC_WORD_MAX - 1024), "WORD_MAX-1024");
+    CHECK_ALLOC_FAILED(GC_MALLOC(GC_WORD_MAX - 16), "WORD_MAX-16");
+    CHECK_ALLOC_FAILED(GC_MALLOC(GC_WORD_MAX - 8), "WORD_MAX-8");
+    CHECK_ALLOC_FAILED(GC_MALLOC(GC_WORD_MAX - 4), "WORD_MAX-4");
+    CHECK_ALLOC_FAILED(GC_MALLOC(GC_WORD_MAX), "WORD_MAX");
     return 0;
 }