kernelbase/tests: Add test for Sleep(1).

Sleep(1) should sleep until the next kernel tick, not necessarily one millisecond. Thanks to Henri Verbeet for pointing this out. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49564Signed-off-by: Myah Caron <qsniyg@protonmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

kernelbase/tests: Add test for Sleep(1).
94b5ccef · Myah Caron · Alexandre Julliard · 23cc3003 · 94b5ccef
Commit 94b5ccef authored Aug 09, 2020 by Myah Caron Committed by Alexandre Julliard Aug 10, 2020
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sync.c dlls/kernelbase/tests/sync.c +26 -0

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--- a/dlls/kernelbase/tests/sync.c
+++ b/dlls/kernelbase/tests/sync.c
@@ -172,6 +172,31 @@ static void test_WaitOnAddress(void)
    ok(!address, "got unexpected value %s\n", wine_dbgstr_longlong(address));
 }

+static void test_Sleep(void)
+{
+    LARGE_INTEGER frequency;
+    LARGE_INTEGER t1, t2;
+    double elapsed_time;
+    BOOL ret;
+    int i;
+
+    ret = QueryPerformanceFrequency(&frequency);
+    ok(ret, "QueryPerformanceFrequency failed\n");
+
+    ret = QueryPerformanceCounter(&t1);
+    ok(ret, "QueryPerformanceCounter failed\n");
+
+    for (i = 0; i < 100; i++) {
+        Sleep(1);
+    }
+
+    ret = QueryPerformanceCounter(&t2);
+    ok(ret, "QueryPerformanceCounter failed\n");
+
+    elapsed_time = (t2.QuadPart - t1.QuadPart) / (double)frequency.QuadPart;
+    todo_wine ok(elapsed_time >= 1.5 && elapsed_time <= 4.0, "got %f\n", elapsed_time);
+}
+
 START_TEST(sync)
 {
    HMODULE hmod;
@@ -186,4 +211,5 @@ START_TEST(sync)
    pWakeByAddressSingle = (void *)GetProcAddress(hmod, "WakeByAddressSingle");

    test_WaitOnAddress();
+    test_Sleep();
 }