1 files changed, 71 insertions, 0 deletions
diff --git a/lib/libc/tests/stdlib/heapsort_test.c b/lib/libc/tests/stdlib/heapsort_test.c
new file mode 100644
index 0000000..a83786d
--- /dev/null
+++ b/lib/libc/tests/stdlib/heapsort_test.c
@@ -0,0 +1,71 @@
+/*-
+ * Copyright (C) 2004 Maxim Sobolev <sobomax@FreeBSD.org>
+ * All rights reserved.
+ *
+ * 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 AUTHOR 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 AUTHOR 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.
+ */
+
+/*
+ * Test for heapsort() routine.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "test-sort.h"
+
+ATF_TC_WITHOUT_HEAD(heapsort_test);
+ATF_TC_BODY(heapsort_test, tc)
+{
+	int sresvector[IVEC_LEN];
+	int testvector[IVEC_LEN];
+	int i, j;
+
+	for (j = 2; j < IVEC_LEN; j++) {
+		/* Populate test vectors */
+		for (i = 0; i < j; i++)
+			testvector[i] = sresvector[i] = initvector[i];
+
+		/* Sort using heapsort(3) */
+		heapsort(testvector, j, sizeof(testvector[0]), sorthelp);
+		/* Sort using reference slow sorting routine */
+		ssort(sresvector, j);
+
+		/* Compare results */
+		for (i = 0; i < j; i++)
+			ATF_CHECK_MSG(testvector[i] == sresvector[i],
+			    "item at index %d didn't match: %d != %d",
+			    i, testvector[i], sresvector[i]);
+	}
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, heapsort_test);
+
+	return (atf_no_error());
+}