msvfw32/tests: Add ICSeqFrameCompress tests.

dlls/msvfw32/tests/msvfw.c

@@ -200,8 +200,73 @@ static void test_Locate(void)
     if (h) ok(ICClose(h) == ICERR_OK,"ICClose failed\n");
 }
 
+static void test_ICSeqCompress(void)
+{
+    /* The purpose of this test is to validate sequential frame compressing
+     * functions. The MRLE codec will be used because Wine supports it and
+     * it is present in any Windows.
+     */
+    HIC h;
+    DWORD err, vidc = mmioFOURCC('v','i','d','c'), mrle = mmioFOURCC('m', 'r', 'l', 'e');
+    DWORD i;
+    LONG frame_len;
+    BOOL key_frame, ret;
+    char *frame;
+    COMPVARS pc;
+    struct { BITMAPINFOHEADER header; RGBQUAD map[256]; }
+    input_header = { {sizeof(BITMAPINFOHEADER), 32, 1, 1, 8, 0, 32*8, 0, 0, 256, 256},
+                     {{255,0,0}, {0,255,0}, {0,0,255}, {255,255,255}}};
+    PBITMAPINFO bitmap = (PBITMAPINFO) &input_header;
+    static BYTE input[32] = {1,2,3,3,3,3,2,3,1};
+    static const BYTE output_kf[] = {1,1,1,2,4,3,0,3,2,3,1,0,23,0,0,0,0,1}, /* key frame*/
+                      output_nkf[] = {0,0,0,1}; /* non key frame */
+
+    h = ICOpen(vidc, mrle, ICMODE_COMPRESS);
+    ok(h != NULL, "Expected non-NULL\n");
+
+    pc.cbSize = sizeof(pc);
+    pc.dwFlags    = ICMF_COMPVARS_VALID;
+    pc.fccType    = vidc;
+    pc.fccHandler = mrle;
+    pc.hic        = h;
+    pc.lpbiIn     = NULL;
+    pc.lpbiOut    = NULL;
+    pc.lpBitsOut  = pc.lpBitsPrev = pc.lpState = NULL;
+    pc.lQ         = ICQUALITY_DEFAULT;
+    pc.lKey       = 1;
+    pc.lDataRate  = 300;
+    pc.lpState    = NULL;
+    pc.cbState    = 0;
+
+    ret = ICSeqCompressFrameStart(&pc, bitmap);
+    ok(ret == TRUE, "Expected TRUE\n");
+    /* Check that reserved pointers were allocated */
+    ok(pc.lpbiIn != NULL, "Expected non-NULL\n");
+    ok(pc.lpbiOut != NULL, "Expected non-NULL\n");
+
+    for(i = 0; i < 9; i++)
+    {
+        frame_len = 0;
+        frame = ICSeqCompressFrame(&pc, 0, input, &key_frame, &frame_len);
+        ok(frame != NULL, "Frame[%d]: Expected non-NULL\n", i);
+        if (frame_len == sizeof(output_nkf))
+            ok(!memcmp(output_nkf, frame, frame_len), "Frame[%d]: Contents do not match\n", i);
+        else if (frame_len == sizeof(output_kf))
+            ok(!memcmp(output_kf, frame, frame_len), "Frame[%d]: Contents do not match\n", i);
+        else
+            ok(0, "Unknown frame size of %d byten\n", frame_len);
+    }
+
+    ICSeqCompressFrameEnd(&pc);
+    ICCompressorFree(&pc);
+    /* ICCompressorFree already closed the HIC */
+    err = ICClose(h);
+    ok(err == ICERR_BADHANDLE, "Expected -8, got %d\n", err);
+}
+
 START_TEST(msvfw)
 {
     test_OpenCase();
     test_Locate();
+    test_ICSeqCompress();
 }