1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
#include <iostream>
#include <sstream>
#include "test_helpers.hxx"
using namespace PGSTD;
using namespace pqxx;
// Test program for libpqxx: import file to large object
namespace
{
const string Contents = "Large object test contents";
class ImportLargeObject : public transactor<>
{
public:
explicit ImportLargeObject(largeobject &O, const string &File) :
transactor<>("ImportLargeObject"),
m_Object(O),
m_File(File)
{
}
void operator()(argument_type &T)
{
largeobjectaccess A(T, "pqxxlo.txt", ios::in);
m_Object = largeobject(A);
cout << "Imported '" << m_File << "' "
"to large object #" << m_Object.id() << endl;
char Buf[200];
const largeobjectaccess::size_type len = A.read(Buf, sizeof(Buf)-1);
PQXX_CHECK_EQUAL(
string(Buf, string::size_type(len)),
Contents,
"Large object contents were mangled.");
}
private:
largeobject &m_Object;
string m_File;
};
class DeleteLargeObject : public transactor<>
{
public:
explicit DeleteLargeObject(largeobject O) : m_Object(O) {}
void operator()(argument_type &T)
{
m_Object.remove(T);
}
private:
largeobject m_Object;
};
void test_055(transaction_base &orgT)
{
connection_base &C(orgT.conn());
orgT.abort();
largeobject Obj;
C.perform(ImportLargeObject(Obj, "pqxxlo.txt"));
C.perform(DeleteLargeObject(Obj));
}
} // namespace
PQXX_REGISTER_TEST_T(test_055, nontransaction)
|
