142 lines
2.4 KiB
C++
142 lines
2.4 KiB
C++
// Integer literals
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const char Ch1 = 'a';
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const signed char Ch2 = 'b';
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const unsigned char Ch3 = 'c';
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const wchar_t Ch4 = L'd';
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const signed wchar_t Ch5 = L'e';
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const unsigned wchar_t Ch6 = L'f';
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const short C1 = 12;
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const unsigned short C2 = 13;
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const int C3 = 12;
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const unsigned int C4 = 13;
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const long C5 = 22;
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const unsigned long C6 = 23;
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const long long C7 = 66;
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const unsigned long long C8 = 67;
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// String literals
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const char str1[] = "ABCD";
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const char str2[] = "ABCD" "0123";
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const wchar_t wstr1[] = L"DEF";
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const wchar_t wstr2[] = L"DEF" L"123";
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// Boolean literals
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const bool bval1 = true;
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const bool bval2 = false;
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// Floating Literals
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const float F1 = 12.2F;
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const double F2 = 1E4;
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const long double F3 = 1.2E-3L;
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// nullptr literal
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const void *vptr = nullptr;
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int glb_1[4] = { 10, 20, 30, 40 };
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struct S1 {
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int a;
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int b[3];
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};
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struct S2 {
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int c;
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S1 d;
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};
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S2 glb_2 = { 22, .d.a = 44, .d.b[0] = 55, .d.b[1] = 66 };
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void testNewThrowDelete() {
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throw;
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char *p = new char[10];
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delete[] p;
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}
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int testArrayElement(int *x, int n) {
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return x[n];
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}
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int testTernaryOp(int c, int x, int y) {
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return c ? x : y;
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}
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S1 &testConstCast(const S1 &x) {
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return const_cast<S1&>(x);
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}
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S1 &testStaticCast(S1 &x) {
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return static_cast<S1&>(x);
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}
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S1 &testReinterpretCast(S1 &x) {
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return reinterpret_cast<S1&>(x);
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}
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S1 &testDynamicCast(S1 &x) {
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return dynamic_cast<S1&>(x);
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}
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int testScalarInit(int x) {
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return int(x);
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}
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struct S {
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float f;
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double d;
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};
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struct T {
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int i;
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struct S s[10];
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};
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void testOffsetOf() {
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__builtin_offsetof(struct T, s[2].d);
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}
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int testDefaultArg(int a = 2*2) {
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return a;
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}
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int testDefaultArgExpr() {
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return testDefaultArg();
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}
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template <typename T> // T has TemplateTypeParmType
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void testTemplateTypeParmType(int i);
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void useTemplateType() {
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testTemplateTypeParmType<char>(4);
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}
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const bool ExpressionTrait = __is_lvalue_expr(1);
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const unsigned ArrayRank = __array_rank(int[10][20]);
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const unsigned ArrayExtent = __array_extent(int[10][20], 1);
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constexpr int testLambdaAdd(int toAdd) {
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const int Captured1 = 1, Captured2 = 2;
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constexpr auto LambdaAdd = [Captured1, Captured2](int k) -> int {
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return Captured1 + Captured2 + k;
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};
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return LambdaAdd(toAdd);
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}
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template<typename T>
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struct TestLambdaTemplate {
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T i, j;
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TestLambdaTemplate(T i, const T &j) : i(i), j(j) {}
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T testLambda(T k) {
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return [this](T k) -> decltype(auto) { return i + j + k; }(k);
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}
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};
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