storage.c

来自「Small Device C Compiler 面向Inter8051」· C语言 代码 · 共 44 行

/** Tests many of the basic operators from each of the storage types to every other.

    source_storage: static, register,
    dest_storage: static, register, 
    type: char, int, long
 */
#include <testfwk.h>

/** Simple function that spoils sdcc's optimiser by hiding an assign.
 */
{type}
spoilAssign({type} in)
{
    return in;
}

void
testStorageTypes(void)
{
    {source_storage} {type} source;
    {dest_storage} {type} dest;

    source = spoilAssign(17);
    // Test compare against a const
    ASSERT(source == 17);

    dest = spoilAssign(126);
    ASSERT(dest == 126);
    ASSERT(dest != source);

    // Test assignment
    dest = source;
    ASSERT(dest == source);

    // Test cmp
    dest--;
    ASSERT(dest == 16);
    ASSERT(dest < source);
    
    dest += 8;
    ASSERT(dest == 24);
    ASSERT(source < dest);
}