46 lines
932 B
V
46 lines
932 B
V
[flag]
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enum BfPermission {
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read
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write
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execute
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other
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}
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struct BfFile {
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mut:
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perm BfPermission
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}
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fn test_enum_bitfield() {
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mut a := BfFile{}
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assert 1 == int(BfPermission.read)
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assert 2 == int(BfPermission.write)
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assert 4 == int(BfPermission.execute)
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assert 8 == int(BfPermission.other)
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a.perm.set(.read)
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a.perm.set(.write)
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a.perm.toggle(.execute)
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a.perm.clear(.write)
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// a.perm.set(.other)
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assert a.perm.has(.read)
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assert a.perm.has(.execute)
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assert !a.perm.has(.write)
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assert !a.perm.has(.other)
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mut b := BfPermission.read | BfPermission.execute
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assert int(b) == 1 + 0 + 4 + 0
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assert b.has(.read)
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assert b.has(.execute)
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b.set(.write)
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assert int(b) == 1 + 2 + 4 + 0
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b.set(.other)
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assert int(b) == 1 + 2 + 4 + 8
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assert b.has(.write)
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assert b.has(.other)
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b.toggle(.read)
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assert int(b) == 0 + 2 + 4 + 8
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b.toggle(.execute)
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assert int(b) == 0 + 2 + 0 + 8
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assert !b.has(.read)
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assert !b.has(.execute)
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}
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