/*
 * Unit tests for msacm functions
 *
 * Copyright (c) 2004 Robert Reif
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>

#include "wine/test.h"
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "mmsystem.h"
#define NOBITMAP
#include "mmreg.h"
#include "msacm.h"

static BOOL CALLBACK FormatTagEnumProc(HACMDRIVERID hadid,
                                       PACMFORMATTAGDETAILS paftd,
                                       DWORD dwInstance,
                                       DWORD fdwSupport)
{
    if (winetest_interactive)
        trace("   Format 0x%04lx: %s\n", paftd->dwFormatTag, paftd->szFormatTag);

    return TRUE;
}

static BOOL CALLBACK FormatEnumProc(HACMDRIVERID hadid,
                                    LPACMFORMATDETAILS pafd,
                                    DWORD dwInstance,
                                    DWORD fd)
{
    if (winetest_interactive)
        trace("   0x%04lx, %s\n", pafd->dwFormatTag, pafd->szFormat);

    return TRUE;
}

static BOOL CALLBACK DriverEnumProc(HACMDRIVERID hadid,
                                    DWORD dwInstance,
                                    DWORD fdwSupport)
{
    MMRESULT rc;
    ACMDRIVERDETAILS dd;
    HACMDRIVER had;
    
    DWORD dwDriverPriority;
    DWORD dwDriverSupport;

    if (winetest_interactive) {
        trace("id: %p\n", hadid);
        trace("  Supports:\n");
        if (fdwSupport & ACMDRIVERDETAILS_SUPPORTF_ASYNC)
            trace("    async conversions\n");
        if (fdwSupport & ACMDRIVERDETAILS_SUPPORTF_CODEC)
            trace("    different format conversions\n");
        if (fdwSupport & ACMDRIVERDETAILS_SUPPORTF_CONVERTER)
            trace("    same format conversions\n");
        if (fdwSupport & ACMDRIVERDETAILS_SUPPORTF_FILTER)
            trace("    filtering\n");
    }

    /* try an invalid pointer */
    rc = acmDriverDetails(hadid, 0, 0);
    ok(rc == MMSYSERR_INVALPARAM,
       "acmDriverDetails(): rc = %08x, should be %08x\n",
       rc, MMSYSERR_INVALPARAM);

    /* try an invalid structure size */
    ZeroMemory(&dd, sizeof(dd));
    rc = acmDriverDetails(hadid, &dd, 0);
    ok(rc == MMSYSERR_INVALPARAM,
       "acmDriverDetails(): rc = %08x, should be %08x\n",
       rc, MMSYSERR_INVALPARAM);

    /* MSDN says this should fail but it doesn't in practice */
    dd.cbStruct = 4;
    rc = acmDriverDetails(hadid, &dd, 0);
    ok(rc == MMSYSERR_NOERROR,
       "acmDriverDetails(): rc = %08x, should be %08x\n",
       rc, MMSYSERR_NOERROR);

    /* try an invalid handle */
    dd.cbStruct = sizeof(dd);
    rc = acmDriverDetails((HACMDRIVERID)1, &dd, 0);
    ok(rc == MMSYSERR_INVALHANDLE,
       "acmDriverDetails(): rc = %08x, should be %08x\n",
       rc, MMSYSERR_INVALHANDLE);

    /* try an invalid handle and pointer */
    rc = acmDriverDetails((HACMDRIVERID)1, 0, 0);
    ok(rc == MMSYSERR_INVALPARAM,
       "acmDriverDetails(): rc = %08x, should be %08x\n",
       rc, MMSYSERR_INVALPARAM);

    /* try invalid details */
    rc = acmDriverDetails(hadid, &dd, -1);
    ok(rc == MMSYSERR_INVALFLAG,
       "acmDriverDetails(): rc = %08x, should be %08x\n",
       rc, MMSYSERR_INVALFLAG);

    /* try valid parameters */
    rc = acmDriverDetails(hadid, &dd, 0);
    ok(rc == MMSYSERR_NOERROR,
       "acmDriverDetails(): rc = %08x, should be %08x\n",
       rc, MMSYSERR_NOERROR);

    /* cbStruct should contain size of returned data (at most sizeof(dd)) 
       TODO: should it be *exactly* sizeof(dd), as tested here?
     */
    if (rc == MMSYSERR_NOERROR) {    
        ok(dd.cbStruct == sizeof(dd),
            "acmDriverDetails(): cbStruct = %08lx, should be %08lx\n",
            dd.cbStruct, (unsigned long)sizeof(dd));
    }

    if (rc == MMSYSERR_NOERROR && winetest_interactive) {
        trace("  Short name: %s\n", dd.szShortName);
        trace("  Long name: %s\n", dd.szLongName);
        trace("  Copyright: %s\n", dd.szCopyright);
        trace("  Licensing: %s\n", dd.szLicensing);
        trace("  Features: %s\n", dd.szFeatures);
        trace("  Supports %lu formats\n", dd.cFormatTags);
        trace("  Supports %lu filter formats\n", dd.cFilterTags);
    }

    /* try bad pointer */
    rc = acmMetrics((HACMOBJ)hadid, ACM_METRIC_DRIVER_PRIORITY, 0);
    ok(rc == MMSYSERR_INVALPARAM,
        "acmMetrics(): rc = %08x, should be %08x\n",
        rc, MMSYSERR_INVALPARAM);

    /* try bad handle */
    rc = acmMetrics((HACMOBJ)1, ACM_METRIC_DRIVER_PRIORITY, &dwDriverPriority);
    ok(rc == MMSYSERR_INVALHANDLE,
        "acmMetrics(): rc = %08x, should be %08x\n",
        rc, MMSYSERR_INVALHANDLE);

    /* try bad pointer and handle */
    rc = acmMetrics((HACMOBJ)1, ACM_METRIC_DRIVER_PRIORITY, 0);
    ok(rc == MMSYSERR_INVALHANDLE,
        "acmMetrics(): rc = %08x, should be %08x\n",
        rc, MMSYSERR_INVALHANDLE);

    /* try valid parameters */
    rc = acmMetrics((HACMOBJ)hadid, ACM_METRIC_DRIVER_PRIORITY, &dwDriverSupport);
    ok(rc == MMSYSERR_NOERROR,
        "acmMetrics(): rc = %08x, should be %08x\n",
        rc, MMSYSERR_NOERROR);

    /* try bad pointer */
    rc = acmMetrics((HACMOBJ)hadid, ACM_METRIC_DRIVER_SUPPORT, 0);
    ok(rc == MMSYSERR_INVALPARAM,
        "acmMetrics(): rc = %08x, should be %08x\n",
        rc, MMSYSERR_INVALPARAM);

    /* try bad handle */
    rc = acmMetrics((HACMOBJ)1, ACM_METRIC_DRIVER_SUPPORT, &dwDriverSupport);
    ok(rc == MMSYSERR_INVALHANDLE,
        "acmMetrics(): rc = %08x, should be %08x\n",
        rc, MMSYSERR_INVALHANDLE);

    /* try bad pointer and handle */
    rc = acmMetrics((HACMOBJ)1, ACM_METRIC_DRIVER_SUPPORT, 0);
    ok(rc == MMSYSERR_INVALHANDLE,
        "acmMetrics(): rc = %08x, should be %08x\n",
        rc, MMSYSERR_INVALHANDLE);

    /* try valid parameters */
    rc = acmMetrics((HACMOBJ)hadid, ACM_METRIC_DRIVER_SUPPORT, &dwDriverSupport);
    ok(rc == MMSYSERR_NOERROR,
        "acmMetrics(): rc = %08x, should be %08x\n",
        rc, MMSYSERR_NOERROR);

    /* try invalid pointer */
    rc = acmDriverOpen(0, hadid, 0);
    ok(rc == MMSYSERR_INVALPARAM,
       "acmDriverOpen(): rc = %08x, should be %08x\n",
       rc, MMSYSERR_INVALPARAM);

    /* try invalid handle */
    rc = acmDriverOpen(&had, (HACMDRIVERID)1, 0);
    ok(rc == MMSYSERR_INVALHANDLE,
       "acmDriverOpen(): rc = %08x, should be %08x\n",
       rc, MMSYSERR_INVALHANDLE);

    /* try invalid open */
    rc = acmDriverOpen(&had, hadid, -1);
    ok(rc == MMSYSERR_INVALFLAG,
       "acmDriverOpen(): rc = %08x, should be %08x\n",
       rc, MMSYSERR_INVALFLAG);

    /* try valid parameters */
    rc = acmDriverOpen(&had, hadid, 0);
    ok(rc == MMSYSERR_NOERROR,
       "acmDriverOpen(): rc = %08x, should be %08x\n",
       rc, MMSYSERR_NOERROR);

    if (rc == MMSYSERR_NOERROR) {
        DWORD dwSize;
        HACMDRIVERID hid;

        /* try bad pointer */
        rc = acmDriverID((HACMOBJ)had, 0, 0);
        ok(rc == MMSYSERR_INVALPARAM,
           "acmDriverID(): rc = %08x, should be %08x\n",
           rc, MMSYSERR_INVALPARAM);

        /* try bad handle */
        rc = acmDriverID((HACMOBJ)1, &hid, 0);
        ok(rc == MMSYSERR_INVALHANDLE,
           "acmDriverID(): rc = %08x, should be %08x\n",
           rc, MMSYSERR_INVALHANDLE);

        /* try bad handle and pointer */
        rc = acmDriverID((HACMOBJ)1, 0, 0);
        ok(rc == MMSYSERR_INVALHANDLE,
           "acmDriverID(): rc = %08x, should be %08x\n",
           rc, MMSYSERR_INVALHANDLE);

        /* try bad flag */
        rc = acmDriverID((HACMOBJ)had, &hid, 1);
        ok(rc == MMSYSERR_INVALFLAG,
           "acmDriverID(): rc = %08x, should be %08x\n",
           rc, MMSYSERR_INVALFLAG);

        /* try valid parameters */
        rc = acmDriverID((HACMOBJ)had, &hid, 0);
        ok(rc == MMSYSERR_NOERROR,
           "acmDriverID(): rc = %08x, should be %08x\n",
           rc, MMSYSERR_NOERROR);
        ok(hid == hadid,
           "acmDriverID() returned ID %p doesn't equal %p\n",
           hid, hadid);

        /* try bad pointer */
        rc = acmMetrics((HACMOBJ)had, ACM_METRIC_MAX_SIZE_FORMAT, 0);
        ok(rc == MMSYSERR_INVALPARAM,
           "acmMetrics(): rc = %08x, should be %08x\n",
           rc, MMSYSERR_INVALPARAM);

        /* try bad handle */
        rc = acmMetrics((HACMOBJ)1, ACM_METRIC_MAX_SIZE_FORMAT, &dwSize);
        ok(rc == MMSYSERR_INVALHANDLE,
           "acmMetrics(): rc = %08x, should be %08x\n",
           rc, MMSYSERR_INVALHANDLE);

        /* try bad pointer and handle */
        rc = acmMetrics((HACMOBJ)1, ACM_METRIC_MAX_SIZE_FORMAT, 0);
        ok(rc == MMSYSERR_INVALHANDLE,
           "acmMetrics(): rc = %08x, should be %08x\n",
           rc, MMSYSERR_INVALHANDLE);

        /* try valid parameters */
        rc = acmMetrics((HACMOBJ)had, ACM_METRIC_MAX_SIZE_FORMAT, &dwSize);
        ok(rc == MMSYSERR_NOERROR,
           "acmMetrics(): rc = %08x, should be %08x\n",
           rc, MMSYSERR_NOERROR);
        if (rc == MMSYSERR_NOERROR) {
            ACMFORMATDETAILS fd;
            WAVEFORMATEX * pwfx;
            ACMFORMATTAGDETAILS aftd;

            /* try bad pointer */
            rc = acmFormatEnum(had, 0, FormatEnumProc, 0, 0);
            ok(rc == MMSYSERR_INVALPARAM,
               "acmFormatEnum(): rc = %08x, should be %08x\n",
                rc, MMSYSERR_INVALPARAM);

            /* try bad structure size */
            ZeroMemory(&fd, sizeof(fd));
            rc = acmFormatEnum(had, &fd, FormatEnumProc, 0, 0);
            ok(rc == MMSYSERR_INVALPARAM,
               "acmFormatEnum(): rc = %08x, should be %08x\n",
               rc, MMSYSERR_INVALPARAM);

            fd.cbStruct = sizeof(fd) - 1;
            rc = acmFormatEnum(had, &fd, FormatEnumProc, 0, 0);
            ok(rc == MMSYSERR_INVALPARAM,
               "acmFormatEnum(): rc = %08x, should be %08x\n",
               rc, MMSYSERR_INVALPARAM);

            if (dwSize < sizeof(WAVEFORMATEX))
                dwSize = sizeof(WAVEFORMATEX);

            pwfx = (WAVEFORMATEX *) malloc(dwSize);

            ZeroMemory(pwfx, dwSize);
            pwfx->cbSize = LOWORD(dwSize) - sizeof(WAVEFORMATEX);
            pwfx->wFormatTag = WAVE_FORMAT_UNKNOWN;

            fd.cbStruct = sizeof(fd);
            fd.pwfx = pwfx;
            fd.cbwfx = dwSize;
            fd.dwFormatTag = WAVE_FORMAT_UNKNOWN;

            /* try valid parameters */
            rc = acmFormatEnum(had, &fd, FormatEnumProc, 0, 0);
            ok(rc == MMSYSERR_NOERROR,
               "acmFormatEnum(): rc = %08x, should be %08x\n",
               rc, MMSYSERR_NOERROR);

            /* try bad pointer */
            rc = acmFormatTagEnum(had, 0, FormatTagEnumProc, 0, 0);
            ok(rc == MMSYSERR_INVALPARAM,
               "acmFormatTagEnum(): rc = %08x, should be %08x\n",
                rc, MMSYSERR_INVALPARAM);

            /* try bad structure size */
            ZeroMemory(&aftd, sizeof(aftd));
            rc = acmFormatTagEnum(had, &aftd, FormatTagEnumProc, 0, 0);
            ok(rc == MMSYSERR_INVALPARAM,
               "acmFormatTagEnum(): rc = %08x, should be %08x\n",
               rc, MMSYSERR_INVALPARAM);

            aftd.cbStruct = sizeof(aftd) - 1;
            rc = acmFormatTagEnum(had, &aftd, FormatTagEnumProc, 0, 0);
            ok(rc == MMSYSERR_INVALPARAM,
               "acmFormatTagEnum(): rc = %08x, should be %08x\n",
               rc, MMSYSERR_INVALPARAM);

            aftd.cbStruct = sizeof(aftd);
            aftd.dwFormatTag = WAVE_FORMAT_UNKNOWN;

            /* try bad flag */
            rc = acmFormatTagEnum(had, &aftd, FormatTagEnumProc, 0, 1);
            ok(rc == MMSYSERR_INVALFLAG,
               "acmFormatTagEnum(): rc = %08x, should be %08x\n",
               rc, MMSYSERR_INVALFLAG);

            /* try valid parameters */
            rc = acmFormatTagEnum(had, &aftd, FormatTagEnumProc, 0, 0);
            ok(rc == MMSYSERR_NOERROR,
               "acmFormatTagEnum(): rc = %08x, should be %08x\n",
               rc, MMSYSERR_NOERROR);

            free(pwfx);

            /* try invalid handle */
            rc = acmDriverClose((HACMDRIVER)1, 0);
            ok(rc == MMSYSERR_INVALHANDLE,
               "acmDriverClose(): rc = %08x, should be %08x\n",
               rc, MMSYSERR_INVALHANDLE);

            /* try invalid flag */
            rc = acmDriverClose(had, 1);
            ok(rc == MMSYSERR_INVALFLAG,
               "acmDriverClose(): rc = %08x, should be %08x\n",
               rc, MMSYSERR_INVALFLAG);

            /* try valid parameters */
            rc = acmDriverClose(had, 0);
            ok(rc == MMSYSERR_NOERROR,
               "acmDriverClose(): rc = %08x, should be %08x\n",
               rc, MMSYSERR_NOERROR);

            /* try closing again */
            rc = acmDriverClose(had, 0);
            ok(rc == MMSYSERR_INVALHANDLE,
               "acmDriverClose(): rc = %08x, should be %08x\n",
               rc, MMSYSERR_INVALHANDLE);
        }
    }

    return TRUE;
}

static const char * get_metric(UINT uMetric)
{
    switch (uMetric) {
    case ACM_METRIC_COUNT_CODECS:
        return "ACM_METRIC_COUNT_CODECS";
    case ACM_METRIC_COUNT_CONVERTERS:
        return "ACM_METRIC_COUNT_CONVERTERS";
    case ACM_METRIC_COUNT_DISABLED:
        return "ACM_METRIC_COUNT_DISABLED";
    case ACM_METRIC_COUNT_DRIVERS:
        return "ACM_METRIC_COUNT_DRIVERS";
    case ACM_METRIC_COUNT_FILTERS:
        return "ACM_METRIC_COUNT_FILTERS";
    case ACM_METRIC_COUNT_HARDWARE:
        return "ACM_METRIC_COUNT_HARDWARE";
    case ACM_METRIC_COUNT_LOCAL_CODECS:
        return "ACM_METRIC_COUNT_LOCAL_CODECS";
    case ACM_METRIC_COUNT_LOCAL_CONVERTERS:
        return "ACM_METRIC_COUNT_LOCAL_CONVERTERS";
    case ACM_METRIC_COUNT_LOCAL_DISABLED:
        return "ACM_METRIC_COUNT_LOCAL_DISABLED";
    case ACM_METRIC_COUNT_LOCAL_DRIVERS:
        return "ACM_METRIC_COUNT_LOCAL_DRIVERS";
    case ACM_METRIC_COUNT_LOCAL_FILTERS:
        return "ACM_METRIC_COUNT_LOCAL_FILTERS";
    case ACM_METRIC_DRIVER_PRIORITY:
        return "ACM_METRIC_DRIVER_PRIORITY";
    case ACM_METRIC_DRIVER_SUPPORT:
        return "ACM_METRIC_DRIVER_SUPPORT";
    case ACM_METRIC_HARDWARE_WAVE_INPUT:
        return "ACM_METRIC_HARDWARE_WAVE_INPUT";
    case ACM_METRIC_HARDWARE_WAVE_OUTPUT:
        return "ACM_METRIC_HARDWARE_WAVE_OUTPUT";
    case ACM_METRIC_MAX_SIZE_FILTER:
        return "ACM_METRIC_MAX_SIZE_FILTER";
    case ACM_METRIC_MAX_SIZE_FORMAT:
        return "ACM_METRIC_MAX_SIZE_FORMAT";
    }

    return "UNKNOWN";
}

static DWORD check_count(UINT uMetric)
{
    DWORD dwMetric;
    MMRESULT rc;

    /* try invalid result pointer */
    rc = acmMetrics(NULL, uMetric, 0);
    ok(rc == MMSYSERR_INVALPARAM,
       "acmMetrics(NULL, %s, 0): rc = 0x%08x, should be 0x%08x\n",
       get_metric(uMetric), rc, MMSYSERR_INVALPARAM);

    /* try invalid handle */
    rc = acmMetrics((HACMOBJ)1, uMetric, &dwMetric);
    ok(rc == MMSYSERR_INVALHANDLE,
       "acmMetrics(1, %s, %p): rc = 0x%08x, should be 0x%08x\n",
       get_metric(uMetric), &dwMetric, rc, MMSYSERR_INVALHANDLE);

    /* try invalid result pointer and handle */
    rc = acmMetrics((HACMOBJ)1, uMetric, 0);
    ok(rc == MMSYSERR_INVALHANDLE,
       "acmMetrics(1, %s, 0): rc = 0x%08x, should be 0x%08x\n",
       get_metric(uMetric), rc, MMSYSERR_INVALHANDLE);

    /* try valid parameters */
    rc = acmMetrics(NULL, uMetric, &dwMetric);
    ok(rc == MMSYSERR_NOERROR, "acmMetrics() failed: rc = 0x%08x\n", rc);

    if (rc == MMSYSERR_NOERROR && winetest_interactive)
        trace("%s: %lu\n", get_metric(uMetric), dwMetric);

    return dwMetric;
}

static void msacm_tests(void)
{
    MMRESULT rc;
    DWORD dwCount;
    DWORD dwACMVersion = acmGetVersion();

    if (winetest_interactive) {
        trace("ACM version = %u.%02u build %u%s\n",
            HIWORD(dwACMVersion) >> 8,
            HIWORD(dwACMVersion) & 0xff,
            LOWORD(dwACMVersion),
            LOWORD(dwACMVersion)  ==  0 ? " (Retail)" : "");
    }

    dwCount = check_count(ACM_METRIC_COUNT_CODECS);
    dwCount = check_count(ACM_METRIC_COUNT_CONVERTERS);
    dwCount = check_count(ACM_METRIC_COUNT_DISABLED);
    dwCount = check_count(ACM_METRIC_COUNT_DRIVERS);
    dwCount = check_count(ACM_METRIC_COUNT_FILTERS);
    dwCount = check_count(ACM_METRIC_COUNT_HARDWARE);
    dwCount = check_count(ACM_METRIC_COUNT_LOCAL_CODECS);
    dwCount = check_count(ACM_METRIC_COUNT_LOCAL_CONVERTERS);
    dwCount = check_count(ACM_METRIC_COUNT_LOCAL_DISABLED);
    dwCount = check_count(ACM_METRIC_COUNT_LOCAL_DRIVERS);
    dwCount = check_count(ACM_METRIC_COUNT_LOCAL_FILTERS);

    if (winetest_interactive)
        trace("enabled drivers:\n");

    rc = acmDriverEnum(DriverEnumProc, 0, 0);
    ok(rc == MMSYSERR_NOERROR,
      "acmDriverEnum() failed, rc=%08x, should be 0x%08x\n",
      rc, MMSYSERR_NOERROR);
}

START_TEST(msacm)
{
    msacm_tests();
}