--- /dev/null
+/*
+ * PROJECT: ReactOS api tests
+ * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
+ * PURPOSE: Test for imm32 HIMC
+ * COPYRIGHT: Copyright 2021 Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
+ */
+
+#include "precomp.h"
+
+START_TEST(himc)
+{
+ DWORD style;
+ HWND hwndEdit, hwndStatic;
+ HIMC hNewIMC, hOldIMC, hIMC, hIMC1, hIMC2;
+ LPINPUTCONTEXT pIC;
+
+ /* ImmCreateContext/ImmDestroyContext and ImmLockIMC/ImmUnlockIMC */
+ hNewIMC = ImmCreateContext();
+ ok_int(hNewIMC != NULL, TRUE);
+ pIC = ImmLockIMC(hNewIMC);
+ ok_int(pIC == NULL, TRUE);
+ ImmUnlockIMC(hNewIMC);
+ ok_int(ImmDestroyContext(hNewIMC), TRUE);
+
+ /* ImmGetContext against NULL */
+ hIMC = ImmGetContext(NULL);
+ ok_int(hIMC == NULL, TRUE);
+
+ /* Create EDIT control */
+ style = ES_MULTILINE | ES_LEFT;
+ hwndEdit = CreateWindowW(L"EDIT", NULL, style, 0, 0, 100, 20, NULL, NULL,
+ GetModuleHandleW(NULL), NULL);
+ ok_int(hwndEdit != NULL, TRUE);
+
+ /* Create STATIC control */
+ style = SS_LEFT;
+ hwndStatic = CreateWindowW(L"STATIC", NULL, style, 0, 30, 100, 20, NULL, NULL,
+ GetModuleHandleW(NULL), NULL);
+ ok_int(hwndStatic != NULL, TRUE);
+
+ /* ImmGetContext/ImmReleaseContext and ImmLockIMC/ImmUnlockIMC */
+ hIMC1 = hIMC = ImmGetContext(hwndEdit);
+ ok_int(hIMC != NULL, TRUE);
+ pIC = ImmLockIMC(hIMC);
+ ok_int(pIC != NULL, TRUE);
+ ok_int(pIC->hWnd == NULL, TRUE);
+ ok_int(pIC->fOpen, FALSE);
+ ok_int(ImmGetIMCCSize(pIC->hCompStr) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hCandInfo) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hGuideLine) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hPrivate) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hMsgBuf) != 0, TRUE);
+ ImmUnlockIMC(hNewIMC);
+ SetFocus(hwndEdit);
+ pIC = ImmLockIMC(hIMC);
+ ok_int(pIC != NULL, TRUE);
+ ok_int(pIC->hWnd == hwndEdit, TRUE);
+ ok_int(pIC->fOpen, FALSE);
+ ImmUnlockIMC(hNewIMC);
+ SetFocus(NULL);
+ pIC = ImmLockIMC(hIMC);
+ ok_int(pIC != NULL, TRUE);
+ ok_int(pIC->hWnd == hwndEdit, TRUE);
+ ImmUnlockIMC(hNewIMC);
+ ok_int(ImmSetOpenStatus(hIMC, TRUE), TRUE);
+ pIC = ImmLockIMC(hIMC);
+ ok_int(pIC != NULL, TRUE);
+ ok_int(pIC->fOpen, TRUE);
+ ImmUnlockIMC(hNewIMC);
+ ok_int(ImmReleaseContext(hwndEdit, hIMC), TRUE);
+
+ hIMC2 = hIMC = ImmGetContext(hwndStatic);
+ ok_int(hIMC != NULL, TRUE);
+ pIC = ImmLockIMC(hIMC);
+ ok_int(pIC != NULL, TRUE);
+ ok_int(pIC->hWnd == hwndEdit, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hCompStr) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hCandInfo) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hGuideLine) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hPrivate) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hMsgBuf) != 0, TRUE);
+ ImmUnlockIMC(hNewIMC);
+ ok_int(ImmReleaseContext(hwndEdit, hIMC), TRUE);
+
+ ok_int(hIMC1 == hIMC2, TRUE);
+
+ /* ImmAssociateContext */
+ hNewIMC = ImmCreateContext();
+ ok_int(hNewIMC != NULL, TRUE);
+ pIC = ImmLockIMC(hNewIMC);
+ ok_int(pIC != NULL, TRUE);
+ ImmUnlockIMC(hNewIMC);
+ hOldIMC = ImmAssociateContext(hwndEdit, hNewIMC);
+ ok_int(hNewIMC != hOldIMC, TRUE);
+ hIMC = ImmGetContext(hwndEdit);
+ ok_int(hIMC == hNewIMC, TRUE);
+ ok_int(hIMC != hOldIMC, TRUE);
+ pIC = ImmLockIMC(hNewIMC);
+ ok_int(pIC != NULL, TRUE);
+ ok_int(pIC->hWnd == NULL, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hCompStr) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hCandInfo) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hGuideLine) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hPrivate) != 0, TRUE);
+ ok_int(ImmGetIMCCSize(pIC->hMsgBuf) != 0, TRUE);
+ ImmUnlockIMC(hNewIMC);
+ ok_int(ImmReleaseContext(hwndEdit, hIMC), TRUE);
+ ok_int(ImmDestroyContext(hNewIMC), TRUE);
+
+ DestroyWindow(hwndEdit);
+ DestroyWindow(hwndStatic);
+}