>From 2c578fe339cdcf863c54ce4d10213d654c8b3077 Mon Sep 17 00:00:00 2001
From: Bruno Haible
Date: Sat, 18 Aug 2018 21:37:03 +0200
Subject: [PATCH 3/3] scratch_buffer: Add tests.
* tests/test-scratch-buffer.c: New file.
* modules/scratch_buffer-tests: New file.
---
ChangeLog | 6 ++
modules/scratch_buffer-tests | 12 ++++
tests/test-scratch-buffer.c | 130 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 148 insertions(+)
create mode 100644 modules/scratch_buffer-tests
create mode 100644 tests/test-scratch-buffer.c
diff --git a/ChangeLog b/ChangeLog
index 000eb2b..f34eb61 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2018-08-18 Bruno Haible
+ scratch_buffer: Add tests.
+ * tests/test-scratch-buffer.c: New file.
+ * modules/scratch_buffer-tests: New file.
+
+2018-08-18 Bruno Haible
+
scratch_buffer: Fix include file.
Reported by Reuben Thomas in
.
diff --git a/modules/scratch_buffer-tests b/modules/scratch_buffer-tests
new file mode 100644
index 0000000..1e52951
--- /dev/null
+++ b/modules/scratch_buffer-tests
@@ -0,0 +1,12 @@
+Files:
+tests/test-scratch-buffer.c
+tests/macros.h
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-scratch-buffer
+check_PROGRAMS += test-scratch-buffer
+test_scratch_buffer_SOURCES = test-scratch-buffer.c
diff --git a/tests/test-scratch-buffer.c b/tests/test-scratch-buffer.c
new file mode 100644
index 0000000..0e35b88
--- /dev/null
+++ b/tests/test-scratch-buffer.c
@@ -0,0 +1,130 @@
+/* Test of scratch_buffer functions.
+ Copyright (C) 2018 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see . */
+
+/* Written by Bruno Haible , 2018. */
+
+#include
+
+#include
+
+#include
+#include "macros.h"
+
+static int
+byte_at (size_t i)
+{
+ return ((i % 13) + ((i * i) % 251)) & 0xff;
+}
+
+int
+main ()
+{
+ /* Check scratch_buffer_set_array_size. */
+ {
+ size_t sizes[] = { 100, 1000, 10000, 100000 };
+ size_t s;
+ for (s = 0; s < SIZEOF (sizes); s++)
+ {
+ size_t size = sizes[s];
+ struct scratch_buffer buf;
+ bool ok;
+ size_t i;
+
+ scratch_buffer_init (&buf);
+
+ ok = scratch_buffer_set_array_size (&buf, size, 1);
+ ASSERT (ok);
+
+ for (i = 0; i < size; i++)
+ ((unsigned char *) buf.data)[i] = byte_at (i);
+
+ memset (buf.data, 'x', buf.length);
+ memset (buf.data, 'y', size);
+
+ scratch_buffer_free (&buf);
+ }
+ }
+
+ /* Check scratch_buffer_grow. */
+ {
+ size_t sizes[] = { 100, 1000, 10000, 100000 };
+ size_t s;
+ for (s = 0; s < SIZEOF (sizes); s++)
+ {
+ size_t size = sizes[s];
+ struct scratch_buffer buf;
+ bool ok;
+ size_t i;
+
+ scratch_buffer_init (&buf);
+
+ while (buf.length < size)
+ {
+ ok = scratch_buffer_grow (&buf);
+ ASSERT (ok);
+ }
+
+ for (i = 0; i < size; i++)
+ ((unsigned char *) buf.data)[i] = byte_at (i);
+
+ memset (buf.data, 'x', buf.length);
+ memset (buf.data, 'y', size);
+
+ scratch_buffer_free (&buf);
+ }
+ }
+
+ /* Check scratch_buffer_grow_preserve. */
+ {
+ size_t sizes[] = { 100, 1000, 10000, 100000 };
+ struct scratch_buffer buf;
+ size_t s;
+ size_t size;
+ bool ok;
+ size_t i;
+
+ scratch_buffer_init (&buf);
+
+ s = 0;
+ size = sizes[s];
+ ok = scratch_buffer_set_array_size (&buf, size, 1);
+ ASSERT (ok);
+
+ for (i = 0; i < size; i++)
+ ((unsigned char *) buf.data)[i] = byte_at (i);
+
+ for (; s < SIZEOF (sizes); s++)
+ {
+ size_t oldsize = size;
+ size = sizes[s];
+
+ while (buf.length < size)
+ {
+ ok = scratch_buffer_grow_preserve (&buf);
+ ASSERT (ok);
+ }
+
+ for (i = 0; i < oldsize; i++)
+ ASSERT(((unsigned char *) buf.data)[i] == byte_at (i));
+ for (i = oldsize; i < size; i++)
+ ((unsigned char *) buf.data)[i] = byte_at (i);
+ }
+
+ scratch_buffer_free (&buf);
+ }
+
+ return 0;
+}
--
2.7.4