[reactos] 01/01: [User32|API_TEST] Add Get Window Ptr Test

[James Tabor]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=993eb076549fba4dd3f2f…

commit 993eb076549fba4dd3f2f3761962e65c34eda21e
Author:     James Tabor <james.tabor(a)reactos.org>
AuthorDate: Sat Nov 27 14:47:11 2021 -0600
Commit:     James Tabor <james.tabor(a)reactos.org>
CommitDate: Sat Nov 27 14:47:11 2021 -0600

    [User32|API_TEST] Add Get Window Ptr Test
    
    Adding test to verify results from a foreign window process.
    See CORE-17856.
---
 modules/rostests/apitests/user32/WndProc.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/modules/rostests/apitests/user32/WndProc.c
b/modules/rostests/apitests/user32/WndProc.c
index c8a41fb0471..542d4b98dfe 100644
--- a/modules/rostests/apitests/user32/WndProc.c
+++ b/modules/rostests/apitests/user32/WndProc.c
@@ -135,6 +135,27 @@ static void test_wndproc(void)
        "UnregisterClassA() failed: LastError = %lu\n", GetLastError());
 }
 
+static void test_get_wndproc(void)
+{
+    LONG_PTR ret;
+    SetLastError(0xfeedf00d);
+    ret = GetWindowLongPtrA(GetShellWindow(), GWLP_WNDPROC);
+    ok (ret == 0, "Should return NULL\n");
+    ok (GetLastError() == ERROR_ACCESS_DENIED, "Wrong return error!\n");
+    SetLastError(0xfeedf00d);
+    ret = GetWindowLongPtrW(GetShellWindow(), GWLP_WNDPROC);
+    ok (ret == 0, "Should return NULL\n");
+    ok (GetLastError() == ERROR_ACCESS_DENIED, "Wrong return error!\n");
+    SetLastError(0xfeedf00d);
+    ret = GetWindowLongPtrA(GetShellWindow(), GWLP_WNDPROC);
+    ok (ret == 0, "Should return NULL\n");
+    ok (GetLastError() == ERROR_ACCESS_DENIED, "Wrong return error!\n");
+    SetLastError(0xfeedf00d);
+    ret = GetWindowLongPtrW(GetShellWindow(), GWLP_WNDPROC);
+    ok (ret == 0, "Should return NULL\n");
+    ok (GetLastError() == ERROR_ACCESS_DENIED, "Wrong return error!\n");
+}
+
 START_TEST(WndProc)
 {
 #ifdef __RUNTIME_CHECKS__
@@ -142,5 +163,6 @@ START_TEST(WndProc)
     return;
 #endif /* __RUNTIME_CHECKS__ */
 
+    test_get_wndproc();
     test_wndproc();
 }