153 lines
3.2 KiB
C++
153 lines
3.2 KiB
C++
/* Conformance Test 8.7.0.1: Verification of switch statement */
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#include <stdio.h>
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/****************************************************************************/
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int F1 (int i)
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{
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switch (i)
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{
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case 1: return 9;
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case 2: return 99;
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case 3: return 999;
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default: return 9999;
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}
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}
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/****************************************************************************/
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int main (void)
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{
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char ch = 'd';
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int i = 3;
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short s = 5;
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long L = 0;
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unsigned int ui = 0x7F;
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enum Colors { red, black, gold, green } color = gold;
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switch (i * s) /* test "fall through" of case labels */
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{
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case 15: ++L;
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case 1: ++L;
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case 2: ++L;
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default: ++L;
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}
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if (L != 4)
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goto Fail;
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switch (ch >> i) /* test break out with goto statement */
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{
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case 1: L = 1;
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case 2: L = 2;
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case 12: L = 12;
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goto Out;
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default: L = 0;
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}
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Out:
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if (L != 12)
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goto Fail;
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switch (s) /* test break out with break statement */
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{
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case 1: L = 1;
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case 2: L = 2;
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case 3: L = 3;
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case 4: L = 4;
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case 5: L = 5;
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break;
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default: L = 0;
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}
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if (L != 5)
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goto Fail;
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switch (F1 (i)) /* test break out with return statement */
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{
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case 999: L = 999;
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break;
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default: L = 0;
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}
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if (L != 999)
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goto Fail;
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switch (2) /* test no case labels equal switch */
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{ /* expr and no default given */
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case 0: L = 0;
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case 1: L = 1;
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}
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if (L != 999)
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goto Fail;
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switch (ui) /* multiple case labels + default on */
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{ /* same statement */
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case 0x7c: L = 0x7c;
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break;
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case 0x7e: case 0x7F: case 0x80: default:
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L = 0x80;
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break;
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case 0x7D: L = 0x7d;
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break;
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}
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if (L != 128)
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goto Fail;
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{
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enum Colors { red, black, gold, green } color = gold;
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switch (color) /* test nested switch statements */
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{
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case red: switch (ui && i)
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{
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case 1: L = 1;
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break;
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case 0: L = 0;
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break;
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}
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break;
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case black: switch (--i)
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{
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case 2: L = 2;
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break;
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}
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break;
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case gold: switch (color)
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{
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case gold: L = (long) (color);
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}
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break;
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}
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if (L != 2)
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goto Fail;
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}
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printf ("Passed Conformance Test 8.7.0.1\n");
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return 0;
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Fail:
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printf ("Failed Conformance Test 8.7.0.1\n");
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}
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