From 21db1e0ea65ff57edb23c204ea94fac9b1e5c3d3 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 17 Nov 2018 21:01:59 +0100
Subject: Add stack overflow tests

---
 tests/overflow_test.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++
 wscript               |  4 ++-
 2 files changed, 71 insertions(+), 1 deletion(-)
 create mode 100644 tests/overflow_test.c

diff --git a/tests/overflow_test.c b/tests/overflow_test.c
new file mode 100644
index 00000000..1614a2db
--- /dev/null
+++ b/tests/overflow_test.c
@@ -0,0 +1,68 @@
+/*
+  Copyright 2018 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#undef NDEBUG
+
+#include "serd/serd.h"
+
+#include <assert.h>
+#include <stdio.h>
+
+static SerdStatus
+test(SerdWorld* world, SerdSink* sink, const char* str, size_t stack_size)
+{
+	SerdReader* reader = serd_reader_new(world, SERD_TURTLE, sink, stack_size);
+	serd_reader_start_string(reader, str, NULL);
+	const SerdStatus st = serd_reader_read_document(reader);
+	serd_reader_free(reader);
+	return st;
+}
+
+int
+main(void)
+{
+	typedef struct
+	{
+		const char* str;
+		size_t      stack_size;
+	} Test;
+
+	const Test tests[] = {{":s :p :%99 .", 338},
+	                      {":s :p <http://", 336},
+	                      {":s :p eg:foo", 337},
+	                      {":s :p 1234", 307},
+	                      {":s :p 1234", 338},
+	                      {":s :p (1 2 3 4) .", 352},
+	                      {"@prefix eg: <http://example.org> .", 239},
+	                      {":s :p \"literal\"", 336},
+	                      {":s :p \"verb\"", 275},
+	                      {":s :p _:blank .", 307},
+	                      {":s :p true .", 307},
+	                      {":s :p true .", 341},
+	                      {":s :p \"\"@en .", 339},
+	                      {NULL, 0}};
+
+	SerdWorld* world = serd_world_new();
+	SerdSink*  sink  = serd_sink_new(NULL);
+
+	for (const Test* t = tests; t->str; ++t) {
+		const SerdStatus st = test(world, sink, t->str, t->stack_size);
+		assert(st == SERD_ERR_OVERFLOW);
+	}
+
+	serd_world_free(world);
+	return 0;
+}
diff --git a/wscript b/wscript
index 67a02e51..95cb0c86 100644
--- a/wscript
+++ b/wscript
@@ -151,7 +151,8 @@ def build(bld):
                      ('cursor_test', 'tests/cursor_test.c'),
                      ('serd_test', 'tests/serd_test.c'),
                      ('read_chunk_test', 'tests/read_chunk_test.c'),
-                     ('nodes_test', 'tests/nodes_test.c')]:
+                     ('nodes_test', 'tests/nodes_test.c'),
+                     ('overflow_test', 'tests/overflow_test.c')]:
             bld(features     = 'c cprogram',
                 source       = prog[1],
                 use          = 'libserd_profiled',
@@ -423,6 +424,7 @@ def test(tst):
     with tst.group('Unit') as check:
         check(['./cursor_test'])
         check(['./nodes_test'])
+        check(['./overflow_test'])
         check(['./serd_test'])
         check(['./read_chunk_test'])
 
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