59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
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// Copyright 2021 the V8 project authors. All rights reserved.
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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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#include "src/diagnostics/gdb-jit.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace v8 {
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namespace internal {
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namespace GDBJITInterface {
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#ifdef ENABLE_GDB_JIT_INTERFACE
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TEST(GDBJITTest, OverlapEntries) {
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ClearCodeMapForTesting();
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base::AddressRegion ar{10, 10};
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AddRegionForTesting(ar);
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// Full containment.
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ASSERT_EQ(1u, NumOverlapEntriesForTesting({11, 2}));
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// Overlap start.
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ASSERT_EQ(1u, NumOverlapEntriesForTesting({5, 10}));
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// Overlap end.
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ASSERT_EQ(1u, NumOverlapEntriesForTesting({15, 10}));
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// No overlap.
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// Completely smaller.
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ASSERT_EQ(0u, NumOverlapEntriesForTesting({5, 5}));
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// Completely bigger.
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ASSERT_EQ(0u, NumOverlapEntriesForTesting({20, 10}));
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AddRegionForTesting({20, 10});
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// Now we have 2 code entries that don't overlap:
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// [ entry 1 ][entry 2]
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// ^ 10 ^ 20
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// Overlap none.
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ASSERT_EQ(0u, NumOverlapEntriesForTesting({0, 5}));
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ASSERT_EQ(0u, NumOverlapEntriesForTesting({30, 5}));
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// Overlap one.
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ASSERT_EQ(1u, NumOverlapEntriesForTesting({15, 5}));
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ASSERT_EQ(1u, NumOverlapEntriesForTesting({20, 5}));
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// Overlap both.
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ASSERT_EQ(2u, NumOverlapEntriesForTesting({15, 10}));
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ASSERT_EQ(2u, NumOverlapEntriesForTesting({5, 20}));
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ASSERT_EQ(2u, NumOverlapEntriesForTesting({15, 20}));
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ASSERT_EQ(2u, NumOverlapEntriesForTesting({0, 40}));
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ClearCodeMapForTesting();
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}
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#endif
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} // namespace GDBJITInterface
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} // namespace internal
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} // namespace v8
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