Robert Wilhelm : scrrun/tests: Use more context for MultiByteToWideChar in Read test.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: b167df37776c12c6ec999973a6b23484b06cb0f9
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=b167df37776c12c6ec999973a...

Author: Robert Wilhelm 
Date:   Thu Dec  2 22:32:46 2021 +0100

scrrun/tests: Use more context for MultiByteToWideChar in Read test.

Second byte of BOM (0xfe) is LeadByte in Asian locales. Therefore chars after BOM matter.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=39244
Signed-off-by: Robert Wilhelm 
Signed-off-by: Alexandre Julliard

---

dlls/scrrun/tests/filesystem.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/dlls/scrrun/tests/filesystem.c b/dlls/scrrun/tests/filesystem.c
index 65bb83dfd7e..8b06dbb883d 100644
--- a/dlls/scrrun/tests/filesystem.c
+++ b/dlls/scrrun/tests/filesystem.c
@@ -1817,8 +1817,10 @@ static void test_ReadAll(void)

static void test_Read(void)
 {
+    static const WCHAR firstlineW[] = L"first";
     static const WCHAR secondlineW[] = L"second";
     WCHAR pathW[MAX_PATH], dirW[MAX_PATH], buffW[500];
+    char buffA[MAX_PATH];
     ITextStream *stream;
     BSTR nameW;
     HRESULT hr;
@@ -1835,8 +1837,10 @@ static void test_Read(void)
     hr = IFileSystem3_CreateTextFile(fs3, nameW, VARIANT_FALSE, VARIANT_TRUE, &stream);
     ok(hr == S_OK, "got 0x%08x\n", hr);

-    hr = ITextStream_WriteLine(stream, nameW);
+    str = SysAllocString(firstlineW);
+    hr = ITextStream_WriteLine(stream, str);
     ok(hr == S_OK, "got 0x%08x\n", hr);
+    SysFreeString(str);

str = SysAllocString(secondlineW);
     hr = ITextStream_WriteLine(stream, str);
@@ -1881,9 +1885,10 @@ static void test_Read(void)
     ok(hr == S_OK, "got 0x%08x\n", hr);

buffW[0] = 0;
-    MultiByteToWideChar(CP_ACP, 0, utf16bom, -1, buffW, ARRAY_SIZE(buffW));
-
-    ok(!lstrcmpW(str, buffW), "got %s, expected %s\n", wine_dbgstr_w(str), wine_dbgstr_w(buffW));
+    lstrcpyA(buffA, utf16bom);
+    lstrcatA(buffA, "first");
+    MultiByteToWideChar(CP_ACP, 0, buffA, -1, buffW, ARRAY_SIZE(buffW));
+    ok(str[0] == buffW[0] && str[1] == buffW[1], "got %s, expected %s, %d\n", wine_dbgstr_w(str), wine_dbgstr_w(buffW), SysStringLen(str));
     ok(SysStringLen(str) == 2, "got %d\n", SysStringLen(str));
     SysFreeString(str);
     ITextStream_Release(stream);
@@ -1892,7 +1897,7 @@ static void test_Read(void)
     hr = IFileSystem3_OpenTextFile(fs3, nameW, ForReading, VARIANT_FALSE, TristateTrue, &stream);
     ok(hr == S_OK, "got 0x%08x\n", hr);

-    lstrcpyW(buffW, nameW);
+    lstrcpyW(buffW, firstlineW);
     lstrcatW(buffW, L"\r\n");
     lstrcatW(buffW, secondlineW);
     lstrcatW(buffW, L"\r\n");
@@ -1938,7 +1943,7 @@ static void test_Read(void)
     hr = IFileSystem3_OpenTextFile(fs3, nameW, ForReading, VARIANT_FALSE, TristateUseDefault, &stream);
     ok(hr == S_OK, "got 0x%08x\n", hr);

-    lstrcpyW(buffW, nameW);
+    lstrcpyW(buffW, firstlineW);
     lstrcatW(buffW, L"\r\n");
     lstrcatW(buffW, secondlineW);
     lstrcatW(buffW, L"\r\n");