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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [g++.dg/] [cpp0x/] [range-for7.C] - Blame information for rev 774

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Line No. Rev Author Line
1 693 jeremybenn 
// PR c++/46056
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// Check that range-based for loop calls destructors
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// when required
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// { dg-options "-std=c++0x" }
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// { dg-do run }
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extern "C" void abort();
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int value_counter = 0, it_counter = 0, seq_counter = 0;
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struct Int
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{
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    int x;
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    Int(int v)
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        :x(v)
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    {
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        ++value_counter;
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    }
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    Int(const Int &o)
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        :x(o.x)
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    {
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        ++value_counter;
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    }
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    ~Int()
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    {
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        --value_counter;
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    }
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};
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struct iterator
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{
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    int x;
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    iterator(int v)
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        :x(v)
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    {
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        ++it_counter;
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    }
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    iterator(const iterator &o)
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        :x(o.x)
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    {
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        ++it_counter;
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    }
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    ~iterator()
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    {
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        --it_counter;
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    }
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    iterator &operator ++() { ++x; return *this; }
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    int operator *() { return x; }
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    bool operator != (const iterator &o) { return x != o.x; }
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};
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struct container
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{
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    int min, max;
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    container(int a, int b) :min(a), max(b)
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    {
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        ++seq_counter;
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    }
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    container(const container &) = delete;
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    ~container()
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    {
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        --seq_counter;
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    }
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};
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iterator begin(container &c)
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{
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    return iterator(c.min);
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}
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iterator end(container &c)
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{
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    return iterator(c.max + 1);
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}
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int main()
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{
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    for (Int x : container(0, 10))
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    {
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        if (value_counter != 1) abort();
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        if (it_counter != 2) abort();
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        if (seq_counter != 1) abort();
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    }
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    if (value_counter != 0) abort();
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    if (it_counter != 0) abort();
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    if (seq_counter != 0) abort();
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    try
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    {
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        for (Int x : container(0, 10))
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        {
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            if (value_counter != 1) abort();
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            if (it_counter != 2) abort();
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            if (seq_counter != 1) abort();
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        }
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        if (value_counter != 0) abort();
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        if (it_counter != 0) abort();
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        if (seq_counter != 0) abort();
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        for (Int x : container(0, 10))
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        {
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            if (value_counter != 1) abort();
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            if (it_counter != 2) abort();
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            if (seq_counter != 1) abort();
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            if (x.x == 5)
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                throw 0;
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        }
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    }
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    catch (int)
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    {
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        if (value_counter != 0) abort();
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        if (it_counter != 0) abort();
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        if (seq_counter != 0) abort();
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    }
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    return 0;
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}

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