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ole32/tests: Add the tests to show that IEnumSTATSTG::Next should zero out returned stats when it reaches end of enumeration.
Signed-off-by: Vincent Povirk <vincent@codeweavers.com> Signed-off-by: Dmitry Timoshkov <dmitry@baikal.ru> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -1224,6 +1224,7 @@ static void test_streamenum(void)
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static const WCHAR stmname[] = { 'C','O','N','T','E','N','T','S',0 };
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static const WCHAR stmname2[] = { 'A','B','C','D','E','F','G','H','I',0 };
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static const WCHAR stmname3[] = { 'A','B','C','D','E','F','G','H','I','J',0 };
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static const STATSTG stat_null;
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STATSTG stat;
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IEnumSTATSTG *ee = NULL;
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ULONG count;
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@ -1269,10 +1270,12 @@ static void test_streamenum(void)
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r = IStorage_DestroyElement(stg, stmname);
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ok(r==S_OK, "IStorage->DestroyElement failed\n");
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memset(&stat, 0xad, sizeof(stat));
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count = 0xf00;
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r = IEnumSTATSTG_Next(ee, 1, &stat, &count);
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ok(r==S_FALSE, "IEnumSTATSTG->Next failed\n");
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ok(count == 0, "count wrong\n");
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ok(memcmp(&stat, &stat_null, sizeof(stat)) == 0, "stat is not zeroed\n");
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/* reset and try again */
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r = IEnumSTATSTG_Reset(ee);
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@ -2418,6 +2421,7 @@ static void test_fmtusertypestg(void)
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static const WCHAR fileW[] = {'f','m','t','t','e','s','t',0};
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static WCHAR userTypeW[] = {'S','t','g','U','s','r','T','y','p','e',0};
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static const WCHAR strmNameW[] = {1,'C','o','m','p','O','b','j',0};
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static const STATSTG statstg_null;
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hr = StgCreateDocfile( fileW, STGM_CREATE | STGM_SHARE_EXCLUSIVE | STGM_READWRITE, 0, &stg);
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ok(hr == S_OK, "should succeed, res=%x\n", hr);
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@ -2436,6 +2440,7 @@ static void test_fmtusertypestg(void)
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BOOL found = FALSE;
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STATSTG statstg;
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DWORD got;
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memset(&statstg, 0xad, sizeof(statstg));
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while ((hr = IEnumSTATSTG_Next(stat, 1, &statstg, &got)) == S_OK && got == 1)
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{
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if (strcmp_ww(statstg.pwcsName, strmNameW) == 0)
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@ -2444,6 +2449,7 @@ static void test_fmtusertypestg(void)
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ok(0, "found unexpected stream or storage\n");
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CoTaskMemFree(statstg.pwcsName);
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}
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ok(memcmp(&statstg, &statstg_null, sizeof(statstg)) == 0, "statstg is not zeroed\n");
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ok(found == TRUE, "expected storage to contain stream \\0001CompObj\n");
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IEnumSTATSTG_Release(stat);
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}
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@ -2460,6 +2466,7 @@ static void test_fmtusertypestg(void)
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BOOL found = FALSE;
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STATSTG statstg;
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DWORD got;
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memset(&statstg, 0xad, sizeof(statstg));
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while ((hr = IEnumSTATSTG_Next(stat, 1, &statstg, &got)) == S_OK && got == 1)
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{
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if (strcmp_ww(statstg.pwcsName, strmNameW) == 0)
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@ -2468,6 +2475,7 @@ static void test_fmtusertypestg(void)
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ok(0, "found unexpected stream or storage\n");
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CoTaskMemFree(statstg.pwcsName);
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}
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ok(memcmp(&statstg, &statstg_null, sizeof(statstg)) == 0, "statstg is not zeroed\n");
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ok(found == TRUE, "expected storage to contain stream \\0001CompObj\n");
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IEnumSTATSTG_Release(stat);
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}
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