[PATCH v8 1/2] user32/tests: Add some tests for uiLengthDrawn calculation in DrawTextExW().

[chenjiangyi]

From: chenjiangyi

---
 dlls/user32/tests/text.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/dlls/user32/tests/text.c b/dlls/user32/tests/text.c
index d3228eae1e0..963af800b12 100644
--- a/dlls/user32/tests/text.c
+++ b/dlls/user32/tests/text.c
@@ -47,6 +47,8 @@ static void test_DrawTextCalcRect(void)
     static WCHAR wordbreak_textW[] = {'l','i','n','e','1',' ','l','i','n','e','2',0};
     static WCHAR wordbreak_text_colonW[] = {'l','i','n','e','1',' ','l','i','n','e','2',' ',':',0};
     static WCHAR wordbreak_text_csbW[] = {'l','i','n','e','1',' ','l','i','n','e','2',' ',']',0};
+    static WCHAR complex_format_textW[] = {'H','e','l','l','o',' ','&','W','o','r','l','d','!',
+        '\t','T','h','i','s',' ','i','s',' ','a',' ','t','e','s','t','.','\r','\n','L','i','n','e',' ','2',0};
     static char tabstring[] = "one\ttwo";
     INT textlen, textheight, heightcheck;
     RECT rect = { 0, 0, 100, 0 }, rect2;
@@ -657,6 +659,39 @@ static void test_DrawTextCalcRect(void)
     ok(rect.bottom == rect2.bottom , "unexpected value %ld, got %ld\n", rect.bottom, rect2.bottom);

+    /* Test uiLengthDrawn calculation */
+    SetRect(&rect, 0, 0, 100, 25);
+    memset(&dtp, 0, sizeof(dtp));
+    dtp.cbSize = sizeof(dtp);
+    textheight = DrawTextExW(hdc, textW, lstrlenW(textW), &rect, DT_EDITCONTROL | DT_NOPREFIX | DT_WORDBREAK, &dtp);
+    todo_wine ok(dtp.uiLengthDrawn == 16, "Unexpected uiLengthDrawn %d\n", dtp.uiLengthDrawn );
+
+    memset(&dtp, 0, sizeof(dtp));
+    dtp.cbSize = sizeof(dtp);
+    textheight = DrawTextExW(hdc, textW, lstrlenW(textW), &rect, DT_EDITCONTROL | DT_NOPREFIX | DT_WORDBREAK | DT_CALCRECT, &dtp);
+    ok(dtp.uiLengthDrawn == 16, "Unexpected uiLengthDrawn %d\n", dtp.uiLengthDrawn );
+
+    memset(&dtp, 0, sizeof(dtp));
+    dtp.cbSize = sizeof(dtp);
+    textheight = DrawTextExW(hdc, textW, -1, &rect, DT_EXPANDTABS, &dtp);
+    todo_wine ok(dtp.uiLengthDrawn == 16, "Unexpected uiLengthDrawn %d\n", dtp.uiLengthDrawn );
+
+    memset(&dtp, 0, sizeof(dtp));
+    dtp.cbSize = sizeof(dtp);
+    textheight = DrawTextExW(hdc, complex_format_textW, lstrlenW(complex_format_textW), &rect, DT_EDITCONTROL | DT_NOPREFIX | DT_WORDBREAK, &dtp);
+    todo_wine ok(dtp.uiLengthDrawn == 14, "Unexpected uiLengthDrawn %d\n", dtp.uiLengthDrawn );
+
+    memset(&dtp, 0, sizeof(dtp));
+    dtp.cbSize = sizeof(dtp);
+    textheight = DrawTextExW(hdc, complex_format_textW, lstrlenW(complex_format_textW), &rect, DT_EDITCONTROL | DT_NOPREFIX | DT_WORDBREAK | DT_CALCRECT, &dtp);
+    todo_wine ok(dtp.uiLengthDrawn == 37, "Unexpected uiLengthDrawn %d\n", dtp.uiLengthDrawn );
+
+    memset(&dtp, 0, sizeof(dtp));
+    dtp.cbSize = sizeof(dtp);
+    textheight = DrawTextExW(hdc, complex_format_textW, -1, &rect, DT_EXPANDTABS, &dtp);
+    todo_wine ok(dtp.uiLengthDrawn == 37, "Unexpected uiLengthDrawn %d\n", dtp.uiLengthDrawn );
+
+
     SelectObject(hdc, hOldFont);
     ret = DeleteObject(hFont);
     ok( ret, "DeleteObject error %lu\n", GetLastError());