99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
/* Conformance Test 4.3.0.1: Verification of auto, register, and static */
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/* storage classes */
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int printf(const char *, ...);
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static long L1 (register int a1, float x1); /* test forward referencing */
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/* at top level */
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static extended ext = 3.678; /* ensure static variables */
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static int j = 2; /* initialized correctly */
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static int i; /* should automatically be */
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/* set to zero */
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int main (void)
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{
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static void V1 (void); /* test forward referencing within */
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/* function */
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long LL = 3;
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if (ext != 3.678)
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goto Fail;
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{
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int auto i = 10; /* this i hides top-level i */
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for (; i < 15; i++)
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{
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V1 ();
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switch (i)
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{
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case 10: if (j != 3)
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goto Fail;
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break;
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case 11: if (j != 4)
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goto Fail;
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break;
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case 12: if (j != 5)
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goto Fail;
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break;
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case 13: if (j != 6)
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goto Fail;
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break;
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case 14: if (j != 7)
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goto Fail;
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break;
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default: goto Fail;
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break;
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} /* end switch */
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} /* end for */
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} /* end inner block */
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if (i != 5) /* top-level i */
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goto Fail;
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for (i = 0; i < 7; i++) /* L0 should be init. to 10 with each */
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{ /* pass through the for loop; F0 */
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auto int L0 = 10; /* should be initialized once */
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static float F0 = 1.0;
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LL = L1 (L0, F0);
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if (LL)
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goto Fail;
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F0 += 1.0;
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if (F0 == 3.0)
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break;
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}
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if (i != 1) /* test that F0 was not reset */
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goto Fail;
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printf ("Passed Conformance Test 4.3.0.1\n");
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return 0;
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Fail:
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printf ("Failed Conformance Test 4.3.0.1\n");
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}
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/******************************************************************************/
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static long L1 (register int a1, float x1) /* ensure classification as */
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{ /* register doesn't affect */
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/* value of parameter */
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if (a1 != 10) /* a1 should be 10 each time called */
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return 1;
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else
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return 0;
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}
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/******************************************************************************/
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static void V1 (void)
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{
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++i; j++; /* ensure i, j are visible */
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}
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