94 lines
2.0 KiB
C++
94 lines
2.0 KiB
C++
/* File spc4632.1.cc; the second source file which accesses the external */
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/* arrays defined in the main source file. Part of Special Conformance */
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/* Test 4.6.3.2 */
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#include <math.h>
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int printf(const char *, ...);
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int ExternTest (void)
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{
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int count = 0;
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struct S { int a;
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float b; };
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union U { int i;
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long L; };
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/* Declare extern pointers */
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extern int (*i2Ptr);
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extern char (*ch2Ptr);
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extern long (*L2Ptr);
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extern comp (*c2Ptr);
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extern float (*f2Ptr);
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extern double (*d2Ptr);
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extern extended (*e2Ptr);
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extern unsigned int (*ui2Ptr);
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extern unsigned long (*uL2Ptr);
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extern struct S (*struct2Ptr);
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extern union U (*union2Ptr );
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/* also test pointer subscripting */
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count++;
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if ((*(i2Ptr) != 8) || (i2Ptr [1] != 9))
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goto Fail;
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count++;
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if ((*(ch2Ptr) != 'x') || (ch2Ptr [1] != 'y'))
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goto Fail;
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count++;
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if ((*(L2Ptr) != 17) || (L2Ptr [1] != 23))
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goto Fail;
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count++;
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if ((*(c2Ptr) != 45000) || (c2Ptr [1] != 500000))
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goto Fail;
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count++;
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if ((fabs (*(f2Ptr) - 123.456) > 0.0001) ||
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(fabs (f2Ptr [1] - 6.0e7) > 0.0001))
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goto Fail;
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count++;
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if ((fabs (*(d2Ptr) - 0.5e10) > 0.0001) ||
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(fabs (d2Ptr [1] - 3.27) > 0.0001))
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goto Fail;
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count++;
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if ((fabs (*(e2Ptr) - 7.4) > 0.0001) ||
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(fabs (e2Ptr [1] - 9.9) > 0.0001))
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goto Fail;
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count++;
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if ((*(ui2Ptr) != 10) || (ui2Ptr [1] != 11))
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goto Fail;
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count++;
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if ((*(uL2Ptr) != 4) || (uL2Ptr [1] != 4))
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goto Fail;
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count++;
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if ((struct2Ptr->a != 888) || ((struct2Ptr + 1)->a != 999))
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goto Fail;
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count++;
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if ((fabs (struct2Ptr->b - 8.88) > 0.0001) ||
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(fabs ((struct2Ptr + 1)->b - 9.99) > 0.0001))
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goto Fail;
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count++;
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if ((union2Ptr->i != 7777) || ((union2Ptr + 1)->i != 0))
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goto Fail;
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return 0;
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Fail:
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printf ("failure in ExternTest: count = %d\n", count);
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return 1;
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}
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