Jacek Caban : kernel32/tests: Skip instruction pointer check of the last exception in exception race tests.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9b44422a49f2d1a79d6dea3c6d0d462a7a16551b
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=9b44422a49f2d1a79d6dea3c6...

Author: Jacek Caban 
Date:   Tue Jan 14 18:46:31 2020 +0100

kernel32/tests: Skip instruction pointer check of the last exception in exception race tests.

Signed-off-by: Jacek Caban 
Signed-off-by: Alexandre Julliard

---

dlls/kernel32/tests/debugger.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/dlls/kernel32/tests/debugger.c b/dlls/kernel32/tests/debugger.c
index e6ba746248..a2b5d1f410 100644
--- a/dlls/kernel32/tests/debugger.c
+++ b/dlls/kernel32/tests/debugger.c
@@ -1343,6 +1343,8 @@ static void test_debugger(const char *argv0)

if (sizeof(loop_code) > 1)
     {
+        struct debuggee_thread *prev_thread;
+
         memset(buf, OP_BP, sizeof(buf));
         memcpy(proc_code, &loop_code, sizeof(loop_code));
         ret = WriteProcessMemory(pi.hProcess, mem, buf, sizeof(buf), NULL);
@@ -1356,7 +1358,7 @@ static void test_debugger(const char *argv0)
             thread = CreateRemoteThread(pi.hProcess, NULL, 0, (void*)thread_proc, NULL, 0, NULL);
             ok(thread != NULL, "CreateRemoteThread failed: %u\n", GetLastError());

-            next_event(&ctx, 20000);
+            next_event(&ctx, WAIT_EVENT_TIMEOUT);
             ok(ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);

ret = CloseHandle(thread);
@@ -1370,10 +1372,8 @@ static void test_debugger(const char *argv0)
         expect_breakpoint_exception(&ctx, thread_proc + 1);
         exception_cnt = 1;

-        debuggee_thread = ctx.current_thread;
+        prev_thread = ctx.current_thread;
         fetch_process_context(&ctx);
-        ok(get_ip(&ctx.current_thread->ctx) == thread_proc + 2, "unexpected instruction pointer %p\n",
-           get_ip(&ctx.current_thread->ctx));

byte = 0xc3; /* ret */
         ret = WriteProcessMemory(pi.hProcess, thread_proc + 1, &byte, 1, NULL);
@@ -1387,20 +1387,25 @@ static void test_debugger(const char *argv0)
             ret = WaitForDebugEvent(&ev, 10);
             ok(GetLastError() == ERROR_SEM_TIMEOUT, "WaitForDebugEvent returned %x(%u)\n", ret, GetLastError());

-            next_event(&ctx, 100);
+            next_event(&ctx, POLL_EVENT_TIMEOUT);
             if (ctx.ev.dwDebugEventCode != EXCEPTION_DEBUG_EVENT) break;
             trace("exception at %p in thread %04x\n", ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress, ctx.ev.dwThreadId);
             ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode = %x\n",
                ctx.ev.u.Exception.ExceptionRecord.ExceptionCode);
             ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress == thread_proc + 1,
                "ExceptionAddress = %p\n", ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress);
-            ok(get_ip(&ctx.current_thread->ctx) == thread_proc + 2
-               || broken(get_ip(&ctx.current_thread->ctx) == thread_proc), /* sometimes observed on win10 */
-               "unexpected instruction pointer %p\n",
-               get_ip(&ctx.current_thread->ctx));
+            ok(get_ip(&prev_thread->ctx) == thread_proc + 2
+               || broken(get_ip(&prev_thread->ctx) == thread_proc), /* sometimes observed on win10 */
+               "unexpected instruction pointer %p\n", get_ip(&prev_thread->ctx));
+            prev_thread = ctx.current_thread;
             exception_cnt++;
         }

+        /* for some reason sometimes on Windows one thread has a different address. this is always the thread
+         * with the last reported exception, so we simply skip the check for the last exception unless it's the only one. */
+        if (exception_cnt == 1)
+            ok(get_ip(&prev_thread->ctx) == thread_proc + 2, "unexpected instruction pointer %p\n", get_ip(&prev_thread->ctx));
+
         trace("received %u exceptions\n", exception_cnt);

for (;;)
@@ -1409,7 +1414,7 @@ static void test_debugger(const char *argv0)
                || broken(ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT), /* sometimes happens on vista */
                "dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
             if (ctx.ev.dwDebugEventCode == EXIT_THREAD_DEBUG_EVENT && !--worker_cnt) break;
-            next_event(&ctx, 2000);
+            next_event(&ctx, WAIT_EVENT_TIMEOUT);
         }
     }