Paul Gofman : d3dx9: Add test for D3DXVec2TransformCoord arguments aliasing.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 61b09f3fc78d291a5d37f7006bc28f8674992458
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=61b09f3fc78d291a5d37f7006bc28f8674992458

Author: Paul Gofman <gofmanp at gmail.com>
Date:   Thu Apr 14 15:10:15 2016 +0300

d3dx9: Add test for D3DXVec2TransformCoord arguments aliasing.

Signed-off-by: Paul Gofman <gofmanp at gmail.com>
Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/d3dx9_36/tests/math.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dlls/d3dx9_36/tests/math.c b/dlls/d3dx9_36/tests/math.c
index 46f90dd..a1b622b 100644
--- a/dlls/d3dx9_36/tests/math.c
+++ b/dlls/d3dx9_36/tests/math.c
@@ -1194,8 +1194,11 @@ static void D3DXVector2Test(void)
 
 /*_______________D3DXVec2TransformCoord_______________________*/
     expectedvec.x = 0.6f; expectedvec.y = 11.0f/15.0f;
-    D3DXVec2TransformCoord(&gotvec,&u,&mat);
-    expect_vec(expectedvec,gotvec);
+    D3DXVec2TransformCoord(&gotvec, &u, &mat);
+    expect_vec(expectedvec, gotvec);
+    gotvec.x = u.x; gotvec.y = u.y;
+    D3DXVec2TransformCoord(&gotvec, (D3DXVECTOR2 *)&gotvec, &mat);
+    expect_vec(expectedvec, gotvec);
 
  /*_______________D3DXVec2TransformNormal______________________*/
     expectedvec.x = 23.0f; expectedvec.y = 30.0f;