62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
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// RUN: %clangxx_unit -O0 %s -o %t 2>&1
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// RUN: %env_esan_opts="record_snapshots=0" %run %t 2>&1 | FileCheck %s
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#include "esan/esan_circular_buffer.h"
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#include "sanitizer_common/sanitizer_placement_new.h"
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#include <assert.h>
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#include <stdio.h>
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static const int TestBufCapacity = 4;
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// The buffer should have a capacity of TestBufCapacity.
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void testBuffer(__esan::CircularBuffer<int> *Buf) {
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assert(Buf->size() == 0);
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assert(Buf->empty());
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Buf->push_back(1);
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assert(Buf->back() == 1);
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assert((*Buf)[0] == 1);
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assert(Buf->size() == 1);
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assert(!Buf->empty());
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Buf->push_back(2);
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Buf->push_back(3);
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Buf->push_back(4);
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Buf->push_back(5);
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assert((*Buf)[0] == 2);
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assert(Buf->size() == 4);
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Buf->pop_back();
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assert((*Buf)[0] == 2);
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assert(Buf->size() == 3);
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Buf->pop_back();
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Buf->pop_back();
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assert((*Buf)[0] == 2);
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assert(Buf->size() == 1);
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assert(!Buf->empty());
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Buf->pop_back();
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assert(Buf->empty());
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}
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int main()
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{
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// Test initialize/free.
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__esan::CircularBuffer<int> GlobalBuf;
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GlobalBuf.initialize(TestBufCapacity);
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testBuffer(&GlobalBuf);
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GlobalBuf.free();
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// Test constructor/free.
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__esan::CircularBuffer<int> *LocalBuf;
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static char placeholder[sizeof(*LocalBuf)];
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LocalBuf = new(placeholder) __esan::CircularBuffer<int>(TestBufCapacity);
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testBuffer(LocalBuf);
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LocalBuf->free();
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fprintf(stderr, "All checks passed.\n");
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// CHECK: All checks passed.
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return 0;
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}
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