scc

commit 7fd464216a0a7b9b257ac939e5e3368b0708f6c2
parent 63e5f14bd7ab8c139c9d7ba6c27e47fd56ef4286
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Thu, 30 Apr 2026 21:57:28 +0200

tests/libc: Add 0080-atoi

Diffstat:
M
tests/libc/execute/.gitignore
 | 
1
+
A
tests/libc/execute/0080-atoi.c
 | 
63
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
M
tests/libc/execute/libc-tests.lst
 | 
1
+

3 files changed, 65 insertions(+), 0 deletions(-)
diff --git a/tests/libc/execute/.gitignore b/tests/libc/execute/.gitignore
@@ -78,3 +78,4 @@ test.log
 0077-setlocale
 0078-time
 0079-atof
+0080-atoi
diff --git a/tests/libc/execute/0080-atoi.c b/tests/libc/execute/0080-atoi.c
@@ -0,0 +1,63 @@
+#include <assert.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/*
+output:
+testing
+done
+end:
+*/
+
+void
+test(void)
+{
+	int n;
+	char buf[64];
+
+	n = atoi("abc");
+	assert(n == 0);
+
+	n = atoi(" abc");
+	assert(n == 0);
+
+	n = atoi("1234 ");
+	assert(n == 1234);
+
+	n = atoi(" 1234 0");
+	assert(n == 1234);
+
+	n = atoi("+");
+	assert(n == 0);
+
+	n = atoi(" +1");
+	assert(n == 1);
+
+	n = atoi("+ 1");
+	assert(n == 0);
+
+	n = atoi(" -1");
+	assert(n == -1);
+
+	n = atoi("- 1");
+	assert(n == 0);
+
+	sprintf(buf, "%d", INT_MAX);
+	n = atoi(buf);
+	assert(n == INT_MAX);
+
+	sprintf(buf, "%d", INT_MIN);
+	n = atoi(buf);
+	assert(n == INT_MIN);
+}
+
+int
+main()
+{
+	puts("testing");
+	test();
+	puts("done");
+
+	return 0;
+}
diff --git a/tests/libc/execute/libc-tests.lst b/tests/libc/execute/libc-tests.lst
@@ -76,3 +76,4 @@
 0077-setlocale
 0078-time
 0079-atof [TODO]
+0080-atoi