1 line
762 B
C++
Executable File
1 line
762 B
C++
Executable File
/* Conformance Test 14.5.0.1: Verification of islower, isupper */
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#include <ctype.h>
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main ()
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{
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int i, j;
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char ch;
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unsigned char uc;
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/* islower: returns 0 if char is not in ['a'..'z'] */
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/* isupper: returns 0 if char is not in ['A'..'Z'] */
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for (uc = 'a'; uc <= 'z'; uc++)
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{
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j = islower (uc);
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if (j == 0)
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goto Fail;
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j = isupper (uc);
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if (j != 0)
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goto Fail;
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}
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for (ch = 'A'; ch <= 'Z'; ch++)
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{
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j = islower (ch);
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if (j != 0)
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goto Fail;
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j = isupper (ch);
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if (j == 0)
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goto Fail;
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}
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printf ("Passed Conformance Test 14.5.0.1\n");
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return;
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Fail:
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printf ("Failed Conformance Test 14.5.0.1\n");
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}
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