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// tstore5.cpp -- Regression test program, storage tests, part 5
// $Id$
// This is part of Metakit, see http://www.equi4.com/metakit/
#include "regress.h"
void TestStores5()
{
B(s40, LoadFrom after commit, 0) W(s40a);
{
c4_IntProp p1 ("p1");
{ // create datafile by streaming out
c4_Storage s1;
s1.SetStructure("a[p1:I]");
c4_View v1 = s1.View("a");
v1.Add(p1 [123]);
A(p1 (v1[0]) == 123);
A(v1.GetSize() == 1);
c4_FileStream fs1 (fopen("s40a", "wb"), true);
s1.SaveTo(fs1);
}
{ // it should load just fine
c4_Storage s2;
c4_FileStream fs1 (fopen("s40a", "rb"), true);
bool ok = s2.LoadFrom(fs1);
A(ok);
c4_View v1 = s2.View("a");
A(p1 (v1[0]) == 123);
A(v1.GetSize() == 1);
}
{ // open the datafile and commit a change
c4_Storage s3 ("s40a", true);
c4_View v1 = s3.View("a");
A(p1 (v1[0]) == 123);
A(v1.GetSize() == 1);
p1 (v1[0]) = 456;
s3.Commit();
A(p1 (v1[0]) == 456);
A(v1.GetSize() == 1);
}
{ // it should load fine and show the last changes
c4_Storage s4;
c4_FileStream fs1 (fopen("s40a", "rb"), true);
bool ok = s4.LoadFrom(fs1);
A(ok);
c4_View v1 = s4.View("a");
A(p1 (v1[0]) == 456);
A(v1.GetSize() == 1);
}
{ // it should open just fine in the normal way as well
c4_Storage s5 ("s40a", false);
c4_View v1 = s5.View("a");
A(p1 (v1[0]) == 456);
A(v1.GetSize() == 1);
}
} D(s40a); R(s40a); E;
// 2002-03-13: failure on Win32, Modify calls base class GetNthMemoCol
B(s41, Partial modify blocked, 0) W(s41a);
{
c4_BytesProp p1 ("p1");
c4_Storage s1 ("s41a", true);
c4_View v1 = s1.GetAs("a[_B[p1:B]]");
// custom viewers did not support partial access in 2.4.3
c4_View v2 = v1.Blocked();
s1.Commit();
v2.SetSize(1);
c4_BytesRef m = p1 (v2[0]);
m.Modify(c4_Bytes ("abcdefgh", 8), 0);
s1.Commit();
} D(s41a); R(s41a); E;
B(s42, Get descriptions, 0)
{
c4_Storage s1;
s1.SetStructure("a[p1:I],b[p2:S]");
c4_String x1 = s1.Description();
A(x1 == "a[p1:I],b[p2:S]");
c4_String x2 = s1.Description("b");
A(x2 == "p2:S");
const char* cp = s1.Description("c");
A(cp == 0);
} E;
// 2002-04-24: VPI subview ints clobbered
B(s43, View reuse after sub-byte ints, 0) W(s43a);
{
c4_IntProp p1 ("p1");
c4_Storage s1 ("s43a", true);
c4_View v1 = s1.GetAs("a[p1:I]");
v1.Add(p1 [0]);
v1.Add(p1 [1]);
s1.Commit();
v1.SetSize(1); // 1 is an even trickier bug than 0
s1.Commit();
// adding the following two lines works around the 2.4.4 bug
//s1.Rollback();
//v1 = s1.GetAs("a[p1:I]");
v1.Add(p1 [12345]);
s1.Commit();
//int n = p1 (v1[1]);
A(p1 (v1[1]) == 12345);
} D(s43a); R(s43a); E;
B(s44, Bad memo free space, 0) W(s44a);
{
c4_IntProp p1 ("p1");
c4_BytesProp p2 ("p2");
c4_Storage s1 ("s44a", true);
c4_View v1 = s1.GetAs("a[p1:I,p2:B]");
c4_Bytes data;
t4_byte* p = data.SetBuffer(12345);
for (int i = 0; i < data.Size(); ++i)
p[i] = (t4_byte) i;
v1.Add(p2 [data]);
s1.Commit();
p1 (v1[0]) = 1;
s1.Commit();
p1 (v1[0]) = 0;
s1.Commit();
c4_Bytes temp = p2 (v1[0]);
A(temp == data); // this failed in 2.4.5
} D(s44a); R(s44a); E;
B(s45, Bad subview memo free space, 0) W(s45a);
{
c4_IntProp p1 ("p1");
c4_ViewProp p2 ("p2");
c4_BytesProp p3 ("p3");
c4_Storage s1 ("s45a", true);
c4_View v1 = s1.GetAs("a[p1:I,p2[p3:B]]");
c4_Bytes data;
t4_byte* p = data.SetBuffer(12345);
for (int i = 0; i < data.Size(); ++i)
p[i] = (t4_byte) i;
v1.SetSize(1);
c4_View v2 = p2 (v1[0]);
v2.Add(p3 [data]);
s1.Commit();
p1 (v1[0]) = 1;
s1.Commit();
p1 (v1[0]) = 0;
s1.Commit();
c4_View v3 = p2 (v1[0]);
c4_Bytes temp = p3 (v3[0]);
A(temp == data); // this failed in 2.4.5
} D(s45a); R(s45a); E;
B(s46, LoadFrom after commit, 0) W(s46a);
{
c4_IntProp p1 ("p1");
{
c4_Storage s1 ("s46a", true);
s1.SetStructure("a[p1:I]");
c4_View v1 = s1.View("a");
v1.Add(p1 [11]);
v1.Add(p1 [22]);
v1.Add(p1 [33]);
v1.Add(p1 [44]);
v1.Add(p1 [55]);
v1.Add(p1 [66]);
v1.Add(p1 [77]);
v1.Add(p1 [88]);
v1.Add(p1 [99]);
s1.Commit();
}
{
c4_Storage s2 ("s46a", true);
c4_View v2 = s2.View("a");
v2.Add(p1 [1000]); // force 1->2 byte ints
v2.InsertAt(7, c4_Row ());
v2.InsertAt(4, c4_Row ());
//for (int i = 6; i <= 9; ++i) printf("%d\n", (int) p1 (v2[i]));
A(p1 (v2[6]) == 66);
A(p1 (v2[8]) == 0);
A(p1 (v2[9]) == 88);
A(p1 (v2[7]) == 77); // this failed in 2.4.6
s2.Commit();
}
} D(s46a); R(s46a); E;
// 2004-01-16 bad property type crashes MK 2.4.9.2 and before
// this hits an assertion in debug mode, so then it has to be disabled
B(s47, Defining bad property type, 0)
{
c4_IntProp p1 ("p2");
c4_Storage s1;
#if defined(NDEBUG)
c4_View v1 = s1.GetAs("v1[p1:A]");
#else
// assertions are enabled, turn this into a dummy test instead
c4_View v1 = s1.GetAs("v1[p1:I]");
#endif
v1.Add(p1 [123]);
A(v1.GetSize() == 1);
A(p1 (v1 [0]) == 123);
} E;
// 2004-01-18 file damaging bug, when resizing a comitted subview
// to empty, committing, and then resizing back to containing data.
// Fortunately this usage pattern never happened in blocked views!
B(s48, Resize subview to zero and back, 0) W(s48a); W(s48b);
{
{
c4_Storage s1 ("s48a", true);
c4_View v1 = s1.GetAs("v1[v2[p1:I]]");
v1.SetSize(1);
s1.Commit();
}
{
c4_Storage s1 ("s48a", true);
c4_View v1 = s1.View("v1");
v1.SetSize(0);
s1.Commit();
// the problem is that the in-memory copy has forgotten that it
// has nothing left on disk, and a comparison is done later on to
// avoid saving unmodified data - the bad decision is that data has
// not changed, but actually it has and must be reallocated!
// (fixes are in c4_FormatV::Insert and c4_FormatV::Remove)
v1.SetSize(1);
s1.Commit();
// at this point, the 2.4.9.2 file is corrupt!
c4_FileStream fs1 (fopen("s48b", "wb"), true);
s1.SaveTo(fs1);
}
{
// using this damaged datafile will then crash
c4_Storage s1 ("s48a", false);
c4_View v1 = s1.View("v1");
v1.SetSize(2);
}
} D(s48a); D(s48b); R(s48a); R(s48b); E;
// 2004-01-20 better handling of bad input: ignore repeated props
B(s49, Specify conflicting properties, 0) W(s49a);
{
c4_Storage s1 ("s49a", true);
c4_View v1 = s1.GetAs("v1[p1:I,p1:S]");
c4_View v2 = s1.GetAs("v2[p1:I,P1:S]");
c4_View v3 = s1.GetAs("v3[v3[^]]");
c4_String x1 = s1.Description();
A(x1 == "v1[p1:I],v2[p1:I],v3[v3[^]]");
s1.Commit();
} D(s49a); E;
}
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