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88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
//===--- Exclusivity.cpp --------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Runtime/Exclusivity.h"
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#include "swift/Runtime/Metadata.h"
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#include "gtest/gtest.h"
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using namespace swift;
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TEST(TestExclusivity, testNullPC) {
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ValueBuffer scratch, scratch2;
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long var;
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swift_beginAccess(&var, &scratch,
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ExclusivityFlags::WarningOnly | ExclusivityFlags::Read,
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/*pc=*/0);
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swift_beginAccess(&var, &scratch2,
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ExclusivityFlags::WarningOnly | ExclusivityFlags::Modify,
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/*pc=*/0);
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swift_endAccess(&scratch2);
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swift_endAccess(&scratch);
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}
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TEST(TestExclusivity, testPCOne) {
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ValueBuffer scratch, scratch2;
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long var;
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swift_beginAccess(&var, &scratch,
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ExclusivityFlags::WarningOnly | ExclusivityFlags::Read,
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/*pc=*/(void *)1);
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swift_beginAccess(&var, &scratch2,
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ExclusivityFlags::WarningOnly | ExclusivityFlags::Modify,
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/*pc=*/(void *)1);
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swift_endAccess(&scratch2);
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swift_endAccess(&scratch);
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}
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TEST(TestExclusivity, testBogusPC) {
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ValueBuffer scratch, scratch2;
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long var;
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swift_beginAccess(&var, &scratch,
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ExclusivityFlags::WarningOnly | ExclusivityFlags::Read,
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/*pc=*/(void *)0xdeadbeefdeadbeefULL);
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swift_beginAccess(&var, &scratch2,
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ExclusivityFlags::WarningOnly | ExclusivityFlags::Modify,
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/*pc=*/(void *)0xdeadbeefdeadbeefULL);
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swift_endAccess(&scratch2);
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swift_endAccess(&scratch);
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}
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// rdar://32866493
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TEST(TestExclusivity, testNonNested) {
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const int N = 5;
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ValueBuffer scratches[N];
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long vars[N];
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auto begin = [&](unsigned i) {
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assert(i < N);
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swift_beginAccess(&vars[i], &scratches[i], ExclusivityFlags::Modify, 0);
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};
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auto end = [&](unsigned i) {
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assert(i < N);
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swift_endAccess(&scratches[i]);
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memset(&scratches[i], /*gibberish*/ 0x99, sizeof(ValueBuffer));
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};
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auto accessAll = [&] {
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for (unsigned i = 0; i != N; ++i) begin(i);
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for (unsigned i = 0; i != N; ++i) end(i);
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};
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accessAll();
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begin(0); begin(1); end(0); end(1);
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begin(0); begin(1); end(0); end(1);
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accessAll();
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begin(1); begin(0); begin(2); end(0); end(2); end(1);
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accessAll();
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begin(0); begin(1); begin(2); begin(3); begin(4);
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end(1); end(4); end(0); end(2); end(3);
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accessAll();
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}
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