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Add basic_streambuf::alloc_size

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fix #133
This commit is contained in:
Vinnie Falco
2016-10-14 20:46:38 -04:00
parent 92e7afb801
commit 6732af5822
3 changed files with 59 additions and 5 deletions
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31
test/core/basic_streambuf.cpp
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@@ -397,11 +397,12 @@ public:
BEAST_EXPECT(to_string(sb.data()) == "x");
}
void testReadSizeHelper()
void testCapacity()
{
using boost::asio::buffer_size;
{
streambuf sb(10);
streambuf sb{10};
BEAST_EXPECT(sb.alloc_size() == 10);
BEAST_EXPECT(read_size_helper(sb, 0) == 0);
BEAST_EXPECT(read_size_helper(sb, 1) == 1);
BEAST_EXPECT(read_size_helper(sb, 10) == 10);
@@ -414,6 +415,7 @@ public:
}
{
streambuf sb(1000);
BEAST_EXPECT(sb.alloc_size() == 1000);
BEAST_EXPECT(read_size_helper(sb, 0) == 0);
BEAST_EXPECT(read_size_helper(sb, 1) == 1);
BEAST_EXPECT(read_size_helper(sb, 1000) == 1000);
@@ -435,12 +437,33 @@ public:
BEAST_EXPECT(read_size_helper(sb, 2000) == 997);
}
{
streambuf sb(2);
streambuf sb{2};
BEAST_EXPECT(sb.alloc_size() == 2);
BEAST_EXPECT(test::buffer_count(sb.prepare(2)) == 1);
BEAST_EXPECT(test::buffer_count(sb.prepare(3)) == 2);
BEAST_EXPECT(buffer_size(sb.prepare(5)) == 5);
BEAST_EXPECT(read_size_helper(sb, 10) == 6);
}
{
auto avail =
[](streambuf const& sb)
{
return sb.capacity() - sb.size();
};
streambuf sb{100};
BEAST_EXPECT(sb.alloc_size() == 100);
BEAST_EXPECT(avail(sb) == 0);
sb.prepare(100);
BEAST_EXPECT(avail(sb) == 100);
sb.commit(100);
BEAST_EXPECT(avail(sb) == 0);
sb.consume(100);
BEAST_EXPECT(avail(sb) == 0);
sb.alloc_size(200);
BEAST_EXPECT(sb.alloc_size() == 200);
sb.prepare(1);
BEAST_EXPECT(avail(sb) == 200);
}
}
void run() override
@@ -453,7 +476,7 @@ public:
testMatrix();
testIterators();
testOutputStream();
testReadSizeHelper();
testCapacity();
}
};