hashtable test

1 files changed, 80 insertions, 0 deletions

diff --git a/examples/test_common.c b/examples/test_common.c
new file mode 100644
index 0000000..de12d93
--- /dev/null
+++ b/examples/test_common.c
@@ -0,0 +1,80 @@
+/* Copyright (c) 2024, Peter McGoron
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1) Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2) Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "uns.h"
+#include "cheney_c89.h"
+
+/* This file sets up the environment for a test.
+ *
+ * Each test is compiled as a separate program to isolate tests portably.
+ * A test suite is a shell script (or batch file or whatever you want...)
+ */
+
+static void oom(struct uns_gc *gc)
+{
+	(void)gc;
+	fprintf(stderr, "failed: OOM\n");
+	exit(1);
+}
+
+static void after_gc(struct uns_gc *gc)
+{
+	fprintf(stderr,
+	        "The garbage collector has run %ld times\n"
+	        "\tbefore collection: %lu\n"
+	        "\tafter collection: %lu\n",
+	        gc->collection_number,
+	        gc->before_collection,
+	        gc->after_collection
+	);
+
+	if (gc->after_collection >= gc->before_collection/2)
+		gc->next_alloc *= 2;
+}
+
+extern int test(struct uns_gc *gc);
+
+int main(void)
+{
+	static struct uns_gc gc;
+	int i;
+
+	gc.next_alloc = 1024;
+	gc.ctx = malloc(uns_cheney_c89_ctx_size);
+	gc.after_gc = after_gc;
+	gc.oom = oom;
+
+	if (!gc.ctx)
+		return 1;
+	if (!uns_cheney_c89_init(&gc))
+		return 2;
+	gc.next_alloc = 2048;
+
+	i = test(&gc);
+	gc.deinit(&gc);
+	return i;
+}