0326a9f27a
This will let us use this utility everywhere. Bug: skia:12701 Change-Id: I9342d0b40a81789ed93e3ec4009e5602033d6691 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/534662 Reviewed-by: Michael Ludwig <michaelludwig@google.com> Commit-Queue: Robert Phillips <robertphillips@google.com>
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/*
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* Copyright 2019 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "src/core/SkEnumBitMask.h"
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#include "tests/Test.h"
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enum class Flags {
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kNone = 0,
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kA = 1,
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kB = 2,
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kC = 4
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};
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SK_MAKE_BITMASK_OPS(Flags);
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DEF_TEST(skgpu_Mask, r) {
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SkEnumBitMask<Flags> flags = Flags::kNone;
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REPORTER_ASSERT(r, !flags);
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flags |= Flags::kA;
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REPORTER_ASSERT(r, flags);
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REPORTER_ASSERT(r, !(flags & Flags::kB));
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REPORTER_ASSERT(r, (flags & Flags::kA));
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flags |= (Flags::kB | Flags::kC);
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auto mask = Flags::kB | Flags::kC;
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REPORTER_ASSERT(r, (flags & mask) == mask);
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REPORTER_ASSERT(r, flags == (Flags::kA | Flags::kB | Flags::kC));
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flags &= ~Flags::kC;
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REPORTER_ASSERT(r, flags == (Flags::kA | Flags::kB));
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REPORTER_ASSERT(r, (flags & mask) != mask);
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REPORTER_ASSERT(r, (flags & mask) != Flags::kNone);
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REPORTER_ASSERT(r, (flags & mask));
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REPORTER_ASSERT(r, flags);
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flags &= ~Flags::kB;
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REPORTER_ASSERT(r, (flags & mask) == Flags::kNone);
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REPORTER_ASSERT(r, !(flags & mask));
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REPORTER_ASSERT(r, flags);
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flags = (flags | flags) ^ (flags);
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REPORTER_ASSERT(r, !flags);
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flags ^= mask;
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REPORTER_ASSERT(r, flags == mask);
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REPORTER_ASSERT(r, !(Flags::kA & Flags::kB));
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REPORTER_ASSERT(r, (Flags::kA ^ Flags::kB) == (Flags::kA | Flags::kB));
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}
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