added testprogram for issue #1374

2021-01-16 16:40:58 +01:00
parent a861d84011
commit 0846219672
2 changed files with 105 additions and 0 deletions
--- a/test/misc/bug1374.c
+++ b/test/misc/bug1374.c
@@ -0,0 +1,83 @@
+
+/* test for bug#1374 */
+
+#include <stdint.h>
+#include <stdio.h>
+
+static int res = 0;
+
+int test1(void)
+{
+    uint8_t x = 0x89;
+    uint8_t y = 0xab;
+    uint16_t z = (x << 8) | y;
+    printf("%x\n", z);
+    return (z == 0x89ab) ? 0 : 1;
+}
+
+int test1b(void)
+{
+    uint8_t x = 0x89;
+    uint8_t y = 0xab;
+    uint16_t z = (x * 256) | y;
+    printf("%x\n", z);
+    return (z == 0x89ab) ? 0 : 1;
+}
+
+int test2(void)
+{
+    uint16_t x = 0x8900;
+    uint8_t y = 0xab;
+    uint16_t z = x | y;
+    printf("%x\n", z);
+    return (z == 0x89ab) ? 0 : 1;
+}
+
+int test3(void)
+{
+    uint16_t x = 0x89;
+    uint8_t y = 0xab;
+    uint16_t z = (x << 8) | y;
+    printf("%x\n", z);
+    return (z == 0x89ab) ? 0 : 1;
+}
+
+int test3b(void)
+{
+    uint16_t x = 0x89;
+    uint8_t y = 0xab;
+    uint16_t z = (x * 256) | y;
+    printf("%x\n", z);
+    return (z == 0x89ab) ? 0 : 1;
+}
+
+int test4(void)
+{
+    uint8_t x = 0x89;
+    uint16_t y = 0xab;
+    uint16_t z = (x << 8) | y;
+    printf("%x\n", z);
+    return (z == 0x89ab) ? 0 : 1;
+}
+
+int test4b(void)
+{
+    uint8_t x = 0x89;
+    uint16_t y = 0xab;
+    uint16_t z = (x * 256) | y;
+    printf("%x\n", z);
+    return (z == 0x89ab) ? 0 : 1;
+}
+
+int main(void)
+{
+    res |= test1();
+    res |= test2();
+    res |= test3();
+    res |= test4();
+    res |= test1b();
+    res |= test3b();
+    res |= test4b();
+    printf("res: %d\n", res);
+    return res;
+}