aboutsummaryrefslogtreecommitdiffstats
path: root/roms/skiboot/libc/test/run-stdlib.c
diff options
context:
space:
mode:
authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/skiboot/libc/test/run-stdlib.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/skiboot/libc/test/run-stdlib.c')
-rw-r--r--roms/skiboot/libc/test/run-stdlib.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/roms/skiboot/libc/test/run-stdlib.c b/roms/skiboot/libc/test/run-stdlib.c
new file mode 100644
index 000000000..174920897
--- /dev/null
+++ b/roms/skiboot/libc/test/run-stdlib.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+/*
+ * Copyright 2013-2015 IBM Corp.
+ */
+
+#define BUFSZ 50
+
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+
+int main(void)
+{
+ char buf[] = "42, and stuff.";
+ char *ptr;
+
+ /* atoi/strtol - general correct behavior */
+ assert(atoi("0") == 0);
+ assert(atoi("1") == 1);
+ assert(atoi(" 123456") == 123456);
+ assert(atoi("-72") == -72);
+ assert(atoi(" -84") == -84);
+ assert(atoi("2147483647") == 2147483647);
+
+ /* atoi/strtol - numbers before and after strings */
+ assert(atoi("hello!123") == 0);
+ assert(atoi(buf) == 42);
+ assert(atoi("42isthemagicnumber") == 42);
+
+ /* atoi is base 10 only */
+ assert(atoi("0x800") == 0);
+
+ /* atol - ensure it recognises longs */
+ assert(atol("2147483648") == 2147483648);
+ assert(atol("-2147483649") == -2147483649);
+
+ /* strtol detects hex */
+ assert(strtol("0x800", NULL, 0) == 0x800);
+ /* But not with a duplicate prefix */
+ assert(strtol("0x0x800", NULL, 0) == 0);
+
+ /* strtol - invalid/weird bases */
+ assert(strtol("z", NULL, -1) == 0);
+ assert(strtol("11111", NULL, 1) == 0);
+ assert(strtol("z", NULL, 37) == 0);
+ assert(strtol("z", NULL, 36) == 35);
+ assert(strtol("-Y", NULL, 36) == -34);
+
+ /* strtol - ptr advanced correctly */
+ ptr = buf;
+ assert(strtol(buf, &ptr, 10) == 42);
+ assert(ptr == buf + 2);
+
+ /* strtoul - base 10 */
+ assert(strtoul("0", NULL, 10) == 0);
+ assert(strtoul("1", NULL, 10) == 1);
+ assert(strtoul(" 123456", NULL, 10) == 123456);
+ assert(strtoul("-72", NULL, 10) == 0);
+ assert(strtoul("9999999999", NULL, 10) == 9999999999);
+ assert(strtoul("hello!123", NULL, 10) == 0);
+ assert(strtoul(buf, NULL, 10) == 42);
+ assert(strtoul("42isthemagicnumber", NULL, 10) == 42);
+
+ /* strtoul - autodetection of base */
+ assert(strtoul(" 123456", NULL, 0) == 123456);
+ assert(strtoul("0x800", NULL, 0) == 0x800);
+ assert(strtoul("0x0x800", NULL, 0) == 0);
+
+ /* strtoul - weird/invalid bases */
+ assert(strtoul("z", NULL, -1) == 0);
+ assert(strtoul("11111", NULL, 1) == 0);
+ assert(strtoul("z", NULL, 37) == 0);
+ assert(strtoul("z", NULL, 36) == 35);
+ assert(strtoul("Y", NULL, 36) == 34);
+
+ /* labs - ensure it returns absolute value */
+ assert(labs(0) == 0);
+ assert(labs(2147483647) == 2147483647);
+ assert(labs(-2147483647) == 2147483647);
+ assert(labs(9223372036854775807) == 9223372036854775807);
+ assert(labs(-9223372036854775807) == 9223372036854775807);
+
+ return 0;
+}