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https://github.com/Z3Prover/z3
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76 lines
1.3 KiB
C++
76 lines
1.3 KiB
C++
/*++
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Copyright (c) 2006 Microsoft Corporation
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Module Name:
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tst_optional.cpp
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Abstract:
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Test optional module
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Author:
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Leonardo de Moura (leonardo) 2006-09-29.
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Revision History:
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--*/
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#include "util/trace.h"
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#include "util/debug.h"
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#include "util/memory_manager.h"
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#include "util/optional.h"
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static void tst1() {
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optional<int> v;
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ENSURE(!v);
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ENSURE(v == false);
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v = 10;
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ENSURE(v);
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ENSURE(*v == 10);
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TRACE("optional", tout << sizeof(v) << "\n";);
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}
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struct OptFoo {
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int m_x;
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int m_y;
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OptFoo(int x, int y):m_x(x), m_y(y) {
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TRACE("optional", tout << "OptFoo created: " << m_x << " : " << m_y << "\n";);
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}
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~OptFoo() {
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TRACE("optional", tout << "OptFoo deleted: " << m_x << " : " << m_y << "\n";);
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}
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};
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static void tst2() {
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optional<OptFoo> v;
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ENSURE(!v);
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v = OptFoo(10, 20);
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ENSURE(v->m_x == 10);
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ENSURE(v->m_y == 20);
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v = OptFoo(200, 300);
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ENSURE(v->m_x == 200);
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ENSURE(v->m_y == 300);
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TRACE("optional", tout << sizeof(v) << "\n";);
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}
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static void tst3() {
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optional<int *> v;
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ENSURE(!v);
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int x = 10;
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v = &x;
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ENSURE(v);
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ENSURE(*v == &x);
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TRACE("optional", tout << sizeof(v) << "\n";);
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ENSURE(*(*v) == 10);
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}
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void tst_optional() {
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tst1();
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tst2();
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tst3();
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}
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