[PATCH] scrrun/tests: Add some tests for ReadLine()

[Nikolay Sivov]

Signed-off-by: Nikolay Sivov 
---
 dlls/scrrun/tests/filesystem.c | 78 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)

diff --git a/dlls/scrrun/tests/filesystem.c b/dlls/scrrun/tests/filesystem.c
index d0c448c085..fd8d0bc5ad 100644
--- a/dlls/scrrun/tests/filesystem.c
+++ b/dlls/scrrun/tests/filesystem.c
@@ -2217,6 +2217,83 @@ static void test_GetSpecialFolder(void)
     IFolder_Release(folder);
 }

+static void test_ReadLine(void)
+{
+    static const WCHAR testW[] = {'a','\r','\n','b','c','\n','d','\r','e','\n','\r','f',0};
+    static const WCHAR line1W[] = {'a',0};
+    static const WCHAR line2W[] = {'b','c',0};
+    static const WCHAR line3W[] = {'d','\r','e',0};
+    static const WCHAR line4W[] = {'\r','f',0};
+    WCHAR pathW[MAX_PATH], dirW[MAX_PATH];
+    ITextStream *stream;
+    BSTR str, name;
+    HRESULT hr;
+    BOOL ret;
+
+    get_temp_filepath(testfileW, pathW, dirW);
+
+    ret = CreateDirectoryW(dirW, NULL);
+    ok(ret, "Failed to create test directory, error %d\n", GetLastError());
+
+    name = SysAllocString(pathW);
+    hr = IFileSystem3_CreateTextFile(fs3, name, VARIANT_FALSE, VARIANT_FALSE, &stream);
+    ok(hr == S_OK, "Failed to create file stream, hr %#x.\n", hr);
+
+    str = SysAllocString(testW);
+    hr = ITextStream_Write(stream, str);
+    ok(hr == S_OK, "Failed to write to the stream, hr %#x.\n", hr);
+    SysFreeString(str);
+
+    ITextStream_Release(stream);
+
+    hr = IFileSystem3_OpenTextFile(fs3, name, ForReading, VARIANT_FALSE, TristateFalse, &stream);
+    ok(hr == S_OK, "Failed to open file stream, hr %#x.\n", hr);
+
+todo_wine {
+    str = NULL;
+    hr = ITextStream_ReadLine(stream, &str);
+    ok(hr == S_OK, "Failed to read text line, hr %#x.\n", hr);
+    ok(str != NULL, "got %p\n", str);
+    ok(!lstrcmpW(line1W, str), "Unexpected line %s.\n", wine_dbgstr_w(str));
+    SysFreeString(str);
+
+    str = NULL;
+    hr = ITextStream_ReadLine(stream, &str);
+    ok(hr == S_OK, "Failed to read text line, hr %#x.\n", hr);
+    ok(str != NULL, "got %p\n", str);
+    ok(!lstrcmpW(line2W, str), "Unexpected line %s.\n", wine_dbgstr_w(str));
+    SysFreeString(str);
+
+    str = NULL;
+    hr = ITextStream_ReadLine(stream, &str);
+    ok(hr == S_OK, "Failed to read text line, hr %#x.\n", hr);
+    ok(str != NULL, "got %p\n", str);
+    ok(!lstrcmpW(line3W, str), "Unexpected line %s.\n", wine_dbgstr_w(str));
+    SysFreeString(str);
+
+    str = NULL;
+    hr = ITextStream_ReadLine(stream, &str);
+    ok(hr == S_FALSE, "Failed to read text line, hr %#x.\n", hr);
+    ok(str != NULL, "got %p\n", str);
+    ok(!lstrcmpW(line4W, str), "Unexpected line %s.\n", wine_dbgstr_w(str));
+    SysFreeString(str);
+}
+    hr = ITextStream_ReadLine(stream, NULL);
+    ok(hr == E_POINTER, "Unexpected hr %#x.\n", hr);
+
+    str = (void *)0xdeadbeef;
+    hr = ITextStream_ReadLine(stream, &str);
+todo_wine
+    ok(hr == CTL_E_ENDOFFILE, "Unexpected hr %#x.\n", hr);
+    ok(!str, "Unexpected str %s\n", wine_dbgstr_w(str));
+
+    ITextStream_Release(stream);
+
+    DeleteFileW(name);
+    RemoveDirectoryW(dirW);
+    SysFreeString(name);
+}
+
 START_TEST(filesystem)
 {
     HRESULT hr;
@@ -2255,6 +2332,7 @@ START_TEST(filesystem)
     test_SerialNumber();
     test_GetExtensionName();
     test_GetSpecialFolder();
+    test_ReadLine();

IFileSystem3_Release(fs3);