strings: add more tests

cheney_c89: fix memory leak errors

1 files changed, 72 insertions, 0 deletions

diff --git a/examples/string/test_inefficient.c b/examples/string/test_inefficient.c
new file mode 100644
index 0000000..fb96684
--- /dev/null
+++ b/examples/string/test_inefficient.c
@@ -0,0 +1,72 @@
+/* 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 <stdio.h>
+#include "uns.h"
+#include "uns_string.h"
+
+int test(struct uns_gc *gc)
+{
+	struct uns_root_list r = {0};
+	int i;
+
+	/* MistralAI 8x7B 0.1:
+	 * Prompt: "write a sonnet about garbage collectors (the memory management kind)"
+	 *
+	 * This string constant is larger than the standard's minimum. If
+	 * this test doesn't compile, get a better compiler.
+	 */
+	const char s[] =
+		"To the humble garbagemen of code's dark night,\n"
+		"Who tread through bits and bytes with steady hand.\n"
+		"They roam the heap, in dimly lit sight,\n"
+		"And rescue order from chaos unplanned.\n"
+
+		"With algorithms precise and swift they glide,\n"
+		"Through malloc'd arrays and pointers vast.\n"
+		"Their work essential to keep programs wide,\n"
+		"From crashing down upon us too soon passed.\n"
+
+		"Yet often left unsung are these brave knights,\n"
+		"Whose vigilance keeps our software clean.\n"
+		"In shadows cast by CPUs might,\n"
+		"Unseen forces that make sense of unseen.\n"
+
+		"So here's to you, dear Garbage Collectors all,\n"
+		"Thank you for keeping coding dreams enthralled.\n"
+	;
+
+	/* Generate lots of garbage by being inefficient. */
+	uns_string_alloc(gc, &r, 32);
+	uns_root_add(gc, &r);
+	for (i = 0; i < sizeof(s) - 1; i++) {
+		uns_string_append_char(gc, &r, s[i]);
+	}
+	gc->collect(gc);
+	uns_root_remove(gc, &r);
+	gc->collect(gc);
+
+	return 0;
+}