From 3bf32f27005a0e529d0ef614d407a85fee8f5238 Mon Sep 17 00:00:00 2001
From: James Hawkins <truiken@gmail.com>
Date: Tue, 26 Jun 2007 19:01:37 -0700
Subject: [PATCH] msi: Any value of WindowsInstaller besides 0 means the
 product is installed.

---
 dlls/msi/msi.c       | 12 +++---------
 dlls/msi/tests/msi.c |  8 ++++++++
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/dlls/msi/msi.c b/dlls/msi/msi.c
index fce1bc51842..497083e509a 100644
--- a/dlls/msi/msi.c
+++ b/dlls/msi/msi.c
@@ -799,17 +799,11 @@ INSTALLSTATE WINAPI MsiQueryProductStateW(LPCWSTR szProduct)
     if (rc != ERROR_SUCCESS)
         goto end;
 
-    switch (state)
-    {
-    case 1:
-        /* default */
+    if (state)
         state = INSTALLSTATE_DEFAULT;
-        break;
-    default:
-        FIXME("Unknown install state read from registry (%i)\n",state);
+    else
         state = INSTALLSTATE_UNKNOWN;
-        break;
-    }
+
 end:
     RegCloseKey(props);
     RegCloseKey(hkey);
diff --git a/dlls/msi/tests/msi.c b/dlls/msi/tests/msi.c
index 4e42feaa389..810992c75e5 100644
--- a/dlls/msi/tests/msi.c
+++ b/dlls/msi/tests/msi.c
@@ -427,6 +427,14 @@ static void test_MsiQueryProductState(void)
     state = MsiQueryProductStateA(prodcode);
     ok(state == INSTALLSTATE_DEFAULT, "Expected INSTALLSTATE_DEFAULT, got %d\n", state);
 
+    data = 2;
+    res = RegSetValueExA(props, "WindowsInstaller", 0, REG_DWORD, (const BYTE *)&data, sizeof(DWORD));
+    ok(res == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", res);
+
+    /* WindowsInstaller value is not 1 */
+    state = MsiQueryProductStateA(prodcode);
+    ok(state == INSTALLSTATE_DEFAULT, "Expected INSTALLSTATE_DEFAULT, got %d\n", state);
+
     RegDeleteKeyA(userkey, "");
 
     /* user product key does not exist */