forked from OSchip/llvm-project
99 lines
2.1 KiB
C++
99 lines
2.1 KiB
C++
// RUN: %check_clang_tidy %s bugprone-suspicious-enum-usage %t -- -config="{CheckOptions: [{key: bugprone-suspicious-enum-usage.StrictMode, value: true}]}" --
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enum A {
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A = 1,
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B = 2,
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C = 4,
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D = 8,
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E = 16,
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F = 32,
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G = 63
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};
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// CHECK-NOTES: :[[@LINE+2]]:1: warning: enum type seems like a bitmask (contains mostly power-of-2 literals) but a literal is not power-of-2
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// CHECK-NOTES: :76:7: note: used here as a bitmask
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enum X {
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X = 8,
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Y = 16,
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Z = 4,
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ZZ = 3
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// CHECK-NOTES: :[[@LINE-1]]:3: warning: enum type seems like a bitmask (contains mostly power-of-2 literals), but this literal is not a power-of-2 [bugprone-suspicious-enum-usage]
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// CHECK-NOTES: :70:13: note: used here as a bitmask
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};
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// CHECK-NOTES: :[[@LINE+2]]:1: warning: enum type seems like a bitmask (contains mostly power-of-2 literals) but some literals are not power-of-2
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// CHECK-NOTES: :73:8: note: used here as a bitmask
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enum PP {
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P = 2,
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Q = 3,
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// CHECK-NOTES: :[[@LINE-1]]:3: warning: enum type seems like a bitmask (contains mostly power-of-2 literals), but this literal is not a power-of-2
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// CHECK-NOTES: :65:11: note: used here as a bitmask
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R = 4,
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S = 8,
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T = 16,
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U = 31
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};
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enum {
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H,
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I,
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J,
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K,
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L
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};
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enum Days {
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Monday,
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Tuesday,
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Wednesday,
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Thursday,
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Friday,
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Saturday,
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Sunday
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};
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Days bestDay() {
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return Friday;
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}
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int trigger() {
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if (bestDay() | A)
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return 1;
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// CHECK-NOTES: :[[@LINE-2]]:17: warning: enum values are from different enum types
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if (I | Y)
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return 1;
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// CHECK-NOTES: :[[@LINE-2]]:9: warning: enum values are from different enum types
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if (P + Q == R)
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return 1;
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else if ((S | R) == T)
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return 1;
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else
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int k = ZZ | Z;
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unsigned p = R;
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PP pp = Q;
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p |= pp;
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enum X x = Z;
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p = x | Z;
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return 0;
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}
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int dont_trigger() {
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int a = 1, b = 5;
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int c = a + b;
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int d = c | H, e = b * a;
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a = B | C;
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b = X | Z;
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unsigned bitflag;
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enum A aa = B;
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bitflag = aa | C;
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if (Tuesday != Monday + 1 ||
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Friday - Thursday != 1 ||
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Sunday + Wednesday == (Sunday | Wednesday))
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return 1;
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if (H + I + L == 42)
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return 1;
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return 42;
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}
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