| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-apple-darwin %s |
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| 2 | |
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| 3 | // This file tests -Wconstant-conversion, a subcategory of -Wconversion |
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| 4 | // which is on by default. |
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| 5 | |
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| 6 | constexpr int nines() { return 99999; } |
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| 7 | |
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| 8 | void too_big_for_char(int param) { |
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| 9 | char warn1 = false ? 0 : 99999; |
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| 10 | // expected-warning@-1 {{implicit conversion from 'int' to 'char' changes value from 99999 to -97}} |
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| 11 | char warn2 = false ? 0 : nines(); |
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| 12 | // expected-warning@-1 {{implicit conversion from 'int' to 'char' changes value from 99999 to -97}} |
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| 13 | |
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| 14 | char warn3 = param > 0 ? 0 : 99999; |
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| 15 | // expected-warning@-1 {{implicit conversion from 'int' to 'char' changes value from 99999 to -97}} |
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| 16 | char warn4 = param > 0 ? 0 : nines(); |
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| 17 | // expected-warning@-1 {{implicit conversion from 'int' to 'char' changes value from 99999 to -97}} |
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| 18 | |
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| 19 | char ok1 = true ? 0 : 99999; |
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| 20 | char ok2 = true ? 0 : nines(); |
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| 21 | |
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| 22 | char ok3 = true ? 0 : 99999 + 1; |
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| 23 | char ok4 = true ? 0 : nines() + 1; |
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| 24 | } |
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| 25 | |
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