From 3a41ebfbf27c33f0c22a5baada44cd6c2adcbd59 Mon Sep 17 00:00:00 2001
From: Dmitry Timoshkov <dmitry@baikal.ru>
Date: Tue, 29 Oct 2013 16:10:02 +0900
Subject: [PATCH] ntdll/tests: Add tests for reading 0 bytes at end of file.

---
 dlls/ntdll/tests/file.c | 147 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)

diff --git a/dlls/ntdll/tests/file.c b/dlls/ntdll/tests/file.c
index 09a61b864ba..d9e85fddfb3 100644
--- a/dlls/ntdll/tests/file.c
+++ b/dlls/ntdll/tests/file.c
@@ -2131,6 +2131,20 @@ todo_wine
     ok(GetLastError() == 0xdeadbeef, "expected 0xdeadbeef, got %d\n", GetLastError());
     ok(bytes == 0, "bytes %u\n", bytes);
 
+    bytes = -1;
+    SetLastError(0xdeadbeef);
+    ret = ReadFile(hfile, buf, 0, &bytes, NULL);
+    ok(ret, "ReadFile error %d\n", GetLastError());
+    ok(GetLastError() == 0xdeadbeef, "expected 0xdeadbeef, got %d\n", GetLastError());
+    ok(bytes == 0, "bytes %u\n", bytes);
+
+    bytes = -1;
+    SetLastError(0xdeadbeef);
+    ret = ReadFile(hfile, NULL, 0, &bytes, NULL);
+    ok(ret, "ReadFile error %d\n", GetLastError());
+    ok(GetLastError() == 0xdeadbeef, "expected 0xdeadbeef, got %d\n", GetLastError());
+    ok(bytes == 0, "bytes %u\n", bytes);
+
     S(U(ovl)).Offset = sizeof(contents);
     S(U(ovl)).OffsetHigh = 0;
     ovl.Internal = -1;
@@ -2146,6 +2160,23 @@ todo_wine
     ok((NTSTATUS)ovl.Internal == STATUS_END_OF_FILE, "expected STATUS_END_OF_FILE, got %#lx\n", ovl.Internal);
     ok(ovl.InternalHigh == 0, "expected 0, got %lu\n", ovl.InternalHigh);
 
+    S(U(ovl)).Offset = sizeof(contents);
+    S(U(ovl)).OffsetHigh = 0;
+    ovl.Internal = -1;
+    ovl.InternalHigh = -1;
+    ovl.hEvent = 0;
+    bytes = -1;
+    SetLastError(0xdeadbeef);
+    ret = ReadFile(hfile, buf, 0, &bytes, &ovl);
+todo_wine
+    ok(ret, "ReadFile error %d\n", GetLastError());
+todo_wine
+    ok(GetLastError() == 0xdeadbeef, "expected 0xdeadbeef, got %d\n", GetLastError());
+    ok(bytes == 0, "bytes %u\n", bytes);
+todo_wine
+    ok((NTSTATUS)ovl.Internal == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#lx\n", ovl.Internal);
+    ok(ovl.InternalHigh == 0, "expected 0, got %lu\n", ovl.InternalHigh);
+
     U(iob).Status = -1;
     iob.Information = -1;
     status = pNtReadFile(hfile, 0, NULL, NULL, &iob, buf, sizeof(buf), NULL, NULL);
@@ -2155,6 +2186,16 @@ todo_wine
 todo_wine
     ok(iob.Information == 0, "expected 0, got %lu\n", iob.Information);
 
+    U(iob).Status = -1;
+    iob.Information = -1;
+    status = pNtReadFile(hfile, 0, NULL, NULL, &iob, buf, 0, NULL, NULL);
+todo_wine
+    ok(status == STATUS_SUCCESS, "NtReadFile error %#x\n", status);
+todo_wine
+    ok(U(iob).Status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#x\n", U(iob).Status);
+todo_wine
+    ok(iob.Information == 0, "expected 0, got %lu\n", iob.Information);
+
     U(iob).Status = -1;
     iob.Information = -1;
     offset.QuadPart = sizeof(contents);
@@ -2165,6 +2206,17 @@ todo_wine
 todo_wine
     ok(iob.Information == 0, "expected 0, got %lu\n", iob.Information);
 
+    U(iob).Status = -1;
+    iob.Information = -1;
+    offset.QuadPart = sizeof(contents);
+    status = pNtReadFile(hfile, 0, NULL, NULL, &iob, buf, 0, &offset, NULL);
+todo_wine
+    ok(status == STATUS_SUCCESS, "NtReadFile error %#x\n", status);
+todo_wine
+    ok(U(iob).Status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#x\n", U(iob).Status);
+todo_wine
+    ok(iob.Information == 0, "expected 0, got %lu\n", iob.Information);
+
     U(iob).Status = -1;
     iob.Information = -1;
     offset.QuadPart = (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */;
@@ -2175,6 +2227,17 @@ todo_wine
 todo_wine
     ok(iob.Information == 0, "expected 0, got %lu\n", iob.Information);
 
+    U(iob).Status = -1;
+    iob.Information = -1;
+    offset.QuadPart = (LONGLONG)-2 /* FILE_USE_FILE_POINTER_POSITION */;
+    status = pNtReadFile(hfile, 0, NULL, NULL, &iob, buf, 0, &offset, NULL);
+todo_wine
+    ok(status == STATUS_SUCCESS, "NtReadFile error %#x\n", status);
+todo_wine
+    ok(U(iob).Status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#x\n", U(iob).Status);
+todo_wine
+    ok(iob.Information == 0, "expected 0, got %lu\n", iob.Information);
+
     for (i = -20; i < 0; i++)
     {
         if (i == -2) continue;
@@ -2392,6 +2455,68 @@ todo_wine
     off = SetFilePointer(hfile, 0, NULL, FILE_CURRENT);
     ok(off == 0, "expected 0, got %u\n", off);
 
+    offset.QuadPart = sizeof(contents);
+    S(U(ovl)).Offset = offset.u.LowPart;
+    S(U(ovl)).OffsetHigh = offset.u.HighPart;
+    ovl.Internal = -1;
+    ovl.InternalHigh = -1;
+    ovl.hEvent = 0;
+    bytes = 0xdeadbeef;
+    SetLastError(0xdeadbeef);
+    ret = ReadFile(hfile, buf, 0, &bytes, &ovl);
+    /* ReadFile return value depends on Windows version and testing it is not practical */
+    if (!ret)
+todo_wine
+        ok(GetLastError() == ERROR_IO_PENDING, "expected ERROR_IO_PENDING, got %d\n", GetLastError());
+    ret = GetLastError();
+    ok(bytes == 0, "bytes %u\n", bytes);
+
+    off = SetFilePointer(hfile, 0, NULL, FILE_CURRENT);
+    ok(off == 0, "expected 0, got %u\n", off);
+
+    if (ret == ERROR_IO_PENDING)
+    {
+        bytes = 0xdeadbeef;
+        SetLastError(0xdeadbeef);
+        ret = GetOverlappedResult(hfile, &ovl, &bytes, TRUE);
+        ok(ret, "GetOverlappedResult should report TRUE\n");
+        ok(GetLastError() == 0xdeadbeef, "expected 0xdeadbeef, got %d\n", GetLastError());
+        ok(bytes == 0, "expected 0, read %u\n", bytes);
+        ok((NTSTATUS)ovl.Internal == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#lx\n", ovl.Internal);
+        ok(ovl.InternalHigh == 0, "expected 0, got %lu\n", ovl.InternalHigh);
+    }
+
+    offset.QuadPart = sizeof(contents);
+    S(U(ovl)).Offset = offset.u.LowPart;
+    S(U(ovl)).OffsetHigh = offset.u.HighPart;
+    ovl.Internal = -1;
+    ovl.InternalHigh = -1;
+    ovl.hEvent = 0;
+    bytes = 0xdeadbeef;
+    SetLastError(0xdeadbeef);
+    ret = ReadFile(hfile, NULL, 0, &bytes, &ovl);
+    /* ReadFile return value depends on Windows version and testing it is not practical */
+    if (!ret)
+todo_wine
+        ok(GetLastError() == ERROR_IO_PENDING, "expected ERROR_IO_PENDING, got %d\n", GetLastError());
+    ret = GetLastError();
+    ok(bytes == 0, "bytes %u\n", bytes);
+
+    off = SetFilePointer(hfile, 0, NULL, FILE_CURRENT);
+    ok(off == 0, "expected 0, got %u\n", off);
+
+    if (ret == ERROR_IO_PENDING)
+    {
+        bytes = 0xdeadbeef;
+        SetLastError(0xdeadbeef);
+        ret = GetOverlappedResult(hfile, &ovl, &bytes, TRUE);
+        ok(ret, "GetOverlappedResult should report TRUE\n");
+        ok(GetLastError() == 0xdeadbeef, "expected 0xdeadbeef, got %d\n", GetLastError());
+        ok(bytes == 0, "expected 0, read %u\n", bytes);
+        ok((NTSTATUS)ovl.Internal == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#lx\n", ovl.Internal);
+        ok(ovl.InternalHigh == 0, "expected 0, got %lu\n", ovl.InternalHigh);
+    }
+
     U(iob).Status = -1;
     iob.Information = -1;
     offset.QuadPart = sizeof(contents);
@@ -2411,6 +2536,28 @@ todo_wine
     off = SetFilePointer(hfile, 0, NULL, FILE_CURRENT);
     ok(off == 0, "expected 0, got %u\n", off);
 
+    U(iob).Status = -1;
+    iob.Information = -1;
+    offset.QuadPart = sizeof(contents);
+    status = pNtReadFile(hfile, 0, NULL, NULL, &iob, buf, 0, &offset, NULL);
+    if (status == STATUS_PENDING)
+    {
+        ok(U(iob).Status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#x\n", U(iob).Status);
+        ok(iob.Information == 0, "expected 0, got %lu\n", iob.Information);
+    }
+    else
+    {
+todo_wine
+        ok(status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#x\n", status);
+todo_wine
+        ok(U(iob).Status == STATUS_SUCCESS, "expected STATUS_SUCCESS, got %#x\n", U(iob).Status);
+todo_wine
+        ok(iob.Information == 0, "expected 0, got %lu\n", iob.Information);
+    }
+
+    off = SetFilePointer(hfile, 0, NULL, FILE_CURRENT);
+    ok(off == 0, "expected 0, got %u\n", off);
+
     S(U(ovl)).Offset = 0;
     S(U(ovl)).OffsetHigh = 0;
     ovl.Internal = -1;