Move core/src/ up to core/.

core/src/fxcodec/codec/fx_codec_jpx_unittest.cpp

-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <stdint.h>
-
-#include <limits>
-
-#include "core/src/fxcodec/codec/codec_int.h"
-#include "testing/fx_string_testhelpers.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-static const OPJ_OFF_T kSkipError = static_cast<OPJ_OFF_T>(-1);
-static const OPJ_SIZE_T kReadError = static_cast<OPJ_SIZE_T>(-1);
-static const OPJ_SIZE_T kWriteError = static_cast<OPJ_SIZE_T>(-1);
-
-static unsigned char stream_data[] = {
-    0x00, 0x01, 0x02, 0x03,
-    0x84, 0x85, 0x86, 0x87,  // Include some hi-bytes, too.
-};
-
-TEST(fxcodec, DecodeDataNullDecodeData) {
-  unsigned char buffer[16];
-  DecodeData* ptr = nullptr;
-
-  // Error codes, not segvs, should callers pass us a NULL pointer.
-  EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), ptr));
-  EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), ptr));
-  EXPECT_EQ(kSkipError, opj_skip_from_memory(1, ptr));
-  EXPECT_FALSE(opj_seek_from_memory(1, ptr));
-}
-
-TEST(fxcodec, DecodeDataNullStream) {
-  DecodeData dd(nullptr, 0);
-  unsigned char buffer[16];
-
-  // Reads of size 0 do nothing but return an error code.
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd));
-  EXPECT_EQ(0xbd, buffer[0]);
-
-  // Reads of nonzero size do nothing but return an error code.
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), &dd));
-  EXPECT_EQ(0xbd, buffer[0]);
-
-  // writes of size 0 do nothing but return an error code.
-  EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, 0, &dd));
-
-  // writes of nonzero size do nothing but return an error code.
-  EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), &dd));
-
-  // Skips of size 0 always return an error code.
-  EXPECT_EQ(kSkipError, opj_skip_from_memory(0, &dd));
-
-  // Skips of nonzero size always return an error code.
-  EXPECT_EQ(kSkipError, opj_skip_from_memory(1, &dd));
-
-  // Seeks to 0 offset return in error.
-  EXPECT_FALSE(opj_seek_from_memory(0, &dd));
-
-  // Seeks to non-zero offsets return in error.
-  EXPECT_FALSE(opj_seek_from_memory(1, &dd));
-}
-
-TEST(fxcodec, DecodeDataZeroSize) {
-  DecodeData dd(stream_data, 0);
-  unsigned char buffer[16];
-
-  // Reads of size 0 do nothing but return an error code.
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd));
-  EXPECT_EQ(0xbd, buffer[0]);
-
-  // Reads of nonzero size do nothing but return an error code.
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_EQ(kReadError, opj_read_from_memory(buffer, sizeof(buffer), &dd));
-  EXPECT_EQ(0xbd, buffer[0]);
-
-  // writes of size 0 do nothing but return an error code.
-  EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, 0, &dd));
-
-  // writes of nonzero size do nothing but return an error code.
-  EXPECT_EQ(kWriteError, opj_write_from_memory(buffer, sizeof(buffer), &dd));
-
-  // Skips of size 0 always return an error code.
-  EXPECT_EQ(kSkipError, opj_skip_from_memory(0, &dd));
-
-  // Skips of nonzero size always return an error code.
-  EXPECT_EQ(kSkipError, opj_skip_from_memory(1, &dd));
-
-  // Seeks to 0 offset return in error.
-  EXPECT_FALSE(opj_seek_from_memory(0, &dd));
-
-  // Seeks to non-zero offsets return in error.
-  EXPECT_FALSE(opj_seek_from_memory(1, &dd));
-}
-
-TEST(fxcodec, DecodeDataReadInBounds) {
-  unsigned char buffer[16];
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Exact sized read in a single call.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(8u, opj_read_from_memory(buffer, sizeof(buffer), &dd));
-    EXPECT_EQ(0x00, buffer[0]);
-    EXPECT_EQ(0x01, buffer[1]);
-    EXPECT_EQ(0x02, buffer[2]);
-    EXPECT_EQ(0x03, buffer[3]);
-    EXPECT_EQ(0x84, buffer[4]);
-    EXPECT_EQ(0x85, buffer[5]);
-    EXPECT_EQ(0x86, buffer[6]);
-    EXPECT_EQ(0x87, buffer[7]);
-    EXPECT_EQ(0xbd, buffer[8]);
-  }
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Simple read.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(2u, opj_read_from_memory(buffer, 2, &dd));
-    EXPECT_EQ(0x00, buffer[0]);
-    EXPECT_EQ(0x01, buffer[1]);
-    EXPECT_EQ(0xbd, buffer[2]);
-
-    // Read of size 0 doesn't affect things.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(0u, opj_read_from_memory(buffer, 0, &dd));
-    EXPECT_EQ(0xbd, buffer[0]);
-
-    // Read exactly up to end of data.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(6u, opj_read_from_memory(buffer, 6, &dd));
-    EXPECT_EQ(0x02, buffer[0]);
-    EXPECT_EQ(0x03, buffer[1]);
-    EXPECT_EQ(0x84, buffer[2]);
-    EXPECT_EQ(0x85, buffer[3]);
-    EXPECT_EQ(0x86, buffer[4]);
-    EXPECT_EQ(0x87, buffer[5]);
-    EXPECT_EQ(0xbd, buffer[6]);
-
-    // Read of size 0 at EOF is still an error.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 0, &dd));
-    EXPECT_EQ(0xbd, buffer[0]);
-  }
-}
-
-TEST(fxcodec, DecodeDataReadBeyondBounds) {
-  unsigned char buffer[16];
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Read beyond bounds in a single step.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(8u, opj_read_from_memory(buffer, sizeof(buffer) + 1, &dd));
-    EXPECT_EQ(0x00, buffer[0]);
-    EXPECT_EQ(0x01, buffer[1]);
-    EXPECT_EQ(0x02, buffer[2]);
-    EXPECT_EQ(0x03, buffer[3]);
-    EXPECT_EQ(0x84, buffer[4]);
-    EXPECT_EQ(0x85, buffer[5]);
-    EXPECT_EQ(0x86, buffer[6]);
-    EXPECT_EQ(0x87, buffer[7]);
-    EXPECT_EQ(0xbd, buffer[8]);
-  }
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Read well beyond bounds in a single step.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(8u, opj_read_from_memory(
-                      buffer, std::numeric_limits<OPJ_SIZE_T>::max(), &dd));
-    EXPECT_EQ(0x00, buffer[0]);
-    EXPECT_EQ(0x01, buffer[1]);
-    EXPECT_EQ(0x02, buffer[2]);
-    EXPECT_EQ(0x03, buffer[3]);
-    EXPECT_EQ(0x84, buffer[4]);
-    EXPECT_EQ(0x85, buffer[5]);
-    EXPECT_EQ(0x86, buffer[6]);
-    EXPECT_EQ(0x87, buffer[7]);
-    EXPECT_EQ(0xbd, buffer[8]);
-  }
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Read of size 6 gets first 6 bytes.
-    // rest of buffer intact.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(6u, opj_read_from_memory(buffer, 6, &dd));
-    EXPECT_EQ(0x00, buffer[0]);
-    EXPECT_EQ(0x01, buffer[1]);
-    EXPECT_EQ(0x02, buffer[2]);
-    EXPECT_EQ(0x03, buffer[3]);
-    EXPECT_EQ(0x84, buffer[4]);
-    EXPECT_EQ(0x85, buffer[5]);
-    EXPECT_EQ(0xbd, buffer[6]);
-
-    // Read of size 6 gets remaining two bytes.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(2u, opj_read_from_memory(buffer, 6, &dd));
-    EXPECT_EQ(0x86, buffer[0]);
-    EXPECT_EQ(0x87, buffer[1]);
-    EXPECT_EQ(0xbd, buffer[2]);
-
-    // Read of 6 more gets nothing and leaves rest of buffer intact.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 6, &dd));
-    EXPECT_EQ(0xbd, buffer[0]);
-  }
-}
-
-TEST(fxcodec, DecodeDataWriteInBounds) {
-  unsigned char stream[16];
-  static unsigned char buffer_data[] = {
-      0x00, 0x01, 0x02, 0x03, 0x80, 0x80, 0x81, 0x82, 0x83, 0x84,
-  };
-  {
-    // Pretend the stream can only hold 4 bytes.
-    DecodeData dd(stream, 4);
-
-    memset(stream, 0xbd, sizeof(stream));
-    EXPECT_EQ(4u, opj_write_from_memory(buffer_data, 4, &dd));
-    EXPECT_EQ(0x00, stream[0]);
-    EXPECT_EQ(0x01, stream[1]);
-    EXPECT_EQ(0x02, stream[2]);
-    EXPECT_EQ(0x03, stream[3]);
-    EXPECT_EQ(0xbd, stream[4]);
-  }
-  {
-    // Pretend the stream can only hold 4 bytes.
-    DecodeData dd(stream, 4);
-
-    memset(stream, 0xbd, sizeof(stream));
-    EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd));
-    EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd));
-    EXPECT_EQ(0x00, stream[0]);
-    EXPECT_EQ(0x01, stream[1]);
-    EXPECT_EQ(0x00, stream[2]);
-    EXPECT_EQ(0x01, stream[3]);
-    EXPECT_EQ(0xbd, stream[4]);
-  }
-}
-
-TEST(fxcodec, DecodeDataWriteBeyondBounds) {
-  unsigned char stream[16];
-  static unsigned char buffer_data[] = {
-      0x10, 0x11, 0x12, 0x13, 0x94, 0x95, 0x96, 0x97,
-  };
-  {
-    // Pretend the stream can only hold 4 bytes.
-    DecodeData dd(stream, 4);
-
-    // Write ending past EOF transfers up til EOF.
-    memset(stream, 0xbd, sizeof(stream));
-    EXPECT_EQ(4u, opj_write_from_memory(buffer_data, 5, &dd));
-    EXPECT_EQ(0x10, stream[0]);
-    EXPECT_EQ(0x11, stream[1]);
-    EXPECT_EQ(0x12, stream[2]);
-    EXPECT_EQ(0x13, stream[3]);
-    EXPECT_EQ(0xbd, stream[4]);
-
-    // Subsequent writes fail.
-    memset(stream, 0xbd, sizeof(stream));
-    EXPECT_EQ(kWriteError, opj_write_from_memory(buffer_data, 5, &dd));
-    EXPECT_EQ(0xbd, stream[0]);
-  }
-  {
-    // Pretend the stream can only hold 4 bytes.
-    DecodeData dd(stream, 4);
-
-    // Write ending past EOF (two steps) transfers up til EOF.
-    memset(stream, 0xbd, sizeof(stream));
-    EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 2, &dd));
-    EXPECT_EQ(2u, opj_write_from_memory(buffer_data, 4, &dd));
-    EXPECT_EQ(0x10, stream[0]);
-    EXPECT_EQ(0x11, stream[1]);
-    EXPECT_EQ(0x10, stream[2]);
-    EXPECT_EQ(0x11, stream[3]);
-    EXPECT_EQ(0xbd, stream[4]);
-
-    // Subsequent writes fail.
-    memset(stream, 0xbd, sizeof(stream));
-    EXPECT_EQ(kWriteError, opj_write_from_memory(buffer_data, 5, &dd));
-    EXPECT_EQ(0xbd, stream[0]);
-  }
-}
-
-// Note: Some care needs to be taken here because the skip/seek functions
-// take OPJ_OFF_T's as arguments, which are typically a signed type.
-TEST(fxcodec, DecodeDataSkip) {
-  unsigned char buffer[16];
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Skiping within buffer is allowed.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(1, opj_skip_from_memory(1, &dd));
-    EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd));
-    EXPECT_EQ(0x01, buffer[0]);
-    EXPECT_EQ(0xbd, buffer[1]);
-
-    // Skiping 0 bytes changes nothing.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(0, opj_skip_from_memory(0, &dd));
-    EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd));
-    EXPECT_EQ(0x02, buffer[0]);
-    EXPECT_EQ(0xbd, buffer[1]);
-
-    // Skiping to EOS-1 is possible.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(4, opj_skip_from_memory(4, &dd));
-    EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd));
-    EXPECT_EQ(0x87, buffer[0]);
-    EXPECT_EQ(0xbd, buffer[1]);
-
-    // Next read fails.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd));
-    EXPECT_EQ(0xbd, buffer[0]);
-  }
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Skiping directly to EOS is allowed.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(8, opj_skip_from_memory(8, &dd));
-
-    // Next read fails.
-    EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd));
-    EXPECT_EQ(0xbd, buffer[0]);
-  }
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Skipping beyond end of stream is allowed and returns full distance.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(9, opj_skip_from_memory(9, &dd));
-
-    // Next read fails.
-    EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd));
-    EXPECT_EQ(0xbd, buffer[0]);
-  }
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Skipping way beyond EOS is allowd, doesn't wrap, and returns
-    // full distance.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(4, opj_skip_from_memory(4, &dd));
-    EXPECT_EQ(std::numeric_limits<OPJ_OFF_T>::max(),
-              opj_skip_from_memory(std::numeric_limits<OPJ_OFF_T>::max(), &dd));
-
-    // Next read fails. If it succeeds, it may mean we wrapped.
-    EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd));
-    EXPECT_EQ(0xbd, buffer[0]);
-  }
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Negative skip within buffer not is allowed, position unchanged.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(4, opj_skip_from_memory(4, &dd));
-    EXPECT_EQ(kSkipError, opj_skip_from_memory(-2, &dd));
-
-    // Next read succeeds as if nothing has happenned.
-    EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd));
-    EXPECT_EQ(0x84, buffer[0]);
-    EXPECT_EQ(0xbd, buffer[1]);
-
-    // Negative skip before buffer is not allowed, position unchanged.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(kSkipError, opj_skip_from_memory(-4, &dd));
-
-    // Next read succeeds as if nothing has happenned.
-    EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd));
-    EXPECT_EQ(0x85, buffer[0]);
-    EXPECT_EQ(0xbd, buffer[1]);
-  }
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Negative skip way before buffer is not allowed, doesn't wrap
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(4, opj_skip_from_memory(4, &dd));
-    EXPECT_EQ(kSkipError,
-              opj_skip_from_memory(std::numeric_limits<OPJ_OFF_T>::min(), &dd));
-
-    // Next read succeeds. If it fails, it may mean we wrapped.
-    EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd));
-    EXPECT_EQ(0x84, buffer[0]);
-    EXPECT_EQ(0xbd, buffer[1]);
-  }
-  {
-    DecodeData dd(stream_data, sizeof(stream_data));
-
-    // Negative skip after EOS isn't alowed, still EOS.
-    memset(buffer, 0xbd, sizeof(buffer));
-    EXPECT_EQ(8, opj_skip_from_memory(8, &dd));
-    EXPECT_EQ(kSkipError, opj_skip_from_memory(-4, &dd));
-
-    // Next read fails.
-    EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd));
-    EXPECT_EQ(0xbd, buffer[0]);
-  }
-}
-
-TEST(fxcodec, DecodeDataSeek) {
-  unsigned char buffer[16];
-  DecodeData dd(stream_data, sizeof(stream_data));
-
-  // Seeking within buffer is allowed and read succeeds
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_TRUE(opj_seek_from_memory(1, &dd));
-  EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd));
-  EXPECT_EQ(0x01, buffer[0]);
-  EXPECT_EQ(0xbd, buffer[1]);
-
-  // Seeking before start returns error leaving position unchanged.
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_FALSE(opj_seek_from_memory(-1, &dd));
-  EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd));
-  EXPECT_EQ(0x02, buffer[0]);
-  EXPECT_EQ(0xbd, buffer[1]);
-
-  // Seeking way before start returns error leaving position unchanged.
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_FALSE(
-      opj_seek_from_memory(std::numeric_limits<OPJ_OFF_T>::min(), &dd));
-  EXPECT_EQ(1, opj_read_from_memory(buffer, 1, &dd));
-  EXPECT_EQ(0x03, buffer[0]);
-  EXPECT_EQ(0xbd, buffer[1]);
-
-  // Seeking exactly to EOS is allowed but read fails.
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_TRUE(opj_seek_from_memory(8, &dd));
-  EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd));
-  EXPECT_EQ(0xbd, buffer[0]);
-
-  // Seeking back to zero offset is allowed and read succeeds.
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_TRUE(opj_seek_from_memory(0, &dd));
-  EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd));
-  EXPECT_EQ(0x00, buffer[0]);
-  EXPECT_EQ(0xbd, buffer[1]);
-
-  // Seeking beyond end of stream is allowed but read fails.
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_TRUE(opj_seek_from_memory(16, &dd));
-  EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd));
-  EXPECT_EQ(0xbd, buffer[0]);
-
-  // Seeking within buffer after seek past EOF restores good state.
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_TRUE(opj_seek_from_memory(4, &dd));
-  EXPECT_EQ(1u, opj_read_from_memory(buffer, 1, &dd));
-  EXPECT_EQ(0x84, buffer[0]);
-  EXPECT_EQ(0xbd, buffer[1]);
-
-  // Seeking way beyond EOS is allowed, doesn't wrap, and read fails.
-  memset(buffer, 0xbd, sizeof(buffer));
-  EXPECT_TRUE(opj_seek_from_memory(std::numeric_limits<OPJ_OFF_T>::max(), &dd));
-  EXPECT_EQ(kReadError, opj_read_from_memory(buffer, 1, &dd));
-  EXPECT_EQ(0xbd, buffer[0]);
-}
-
-TEST(fxcodec, YUV420ToRGB) {
-  opj_image_comp_t u;
-  memset(&u, 0, sizeof(u));
-  u.dx = 1;
-  u.dy = 1;
-  u.w = 16;
-  u.h = 16;
-  u.prec = 8;
-  u.bpp = 8;
-  opj_image_comp_t v;
-  memset(&v, 0, sizeof(v));
-  v.dx = 1;
-  v.dy = 1;
-  v.w = 16;
-  v.h = 16;
-  v.prec = 8;
-  v.bpp = 8;
-  opj_image_comp_t y;
-  memset(&y, 0, sizeof(y));
-  y.dx = 1;
-  y.dy = 1;
-  y.prec = 8;
-  y.bpp = 8;
-  opj_image_t img;
-  memset(&img, 0, sizeof(img));
-  img.numcomps = 3;
-  img.color_space = OPJ_CLRSPC_SYCC;
-  img.comps = FX_Alloc(opj_image_comp_t, 3);
-  const struct {
-    OPJ_UINT32 w;
-    bool expected;
-  } cases[] = {{0, false},
-               {1, false},
-               {30, false},
-               {31, true},
-               {32, true},
-               {33, true},
-               {34, false},
-               {UINT_MAX, false}};
-  for (int i = 0; i < sizeof(cases) / sizeof(cases[0]); ++i) {
-    y.w = cases[i].w;
-    y.h = y.w;
-    img.x1 = y.w;
-    img.y1 = y.h;
-    y.data = FX_Alloc(OPJ_INT32, y.w * y.h);
-    memset(y.data, 1, y.w * y.h * sizeof(OPJ_INT32));
-    u.data = FX_Alloc(OPJ_INT32, u.w * u.h);
-    memset(u.data, 0, u.w * u.h * sizeof(OPJ_INT32));
-    v.data = FX_Alloc(OPJ_INT32, v.w * v.h);
-    memset(v.data, 0, v.w * v.h * sizeof(OPJ_INT32));
-    img.comps[0] = y;
-    img.comps[1] = u;
-    img.comps[2] = v;
-    sycc420_to_rgb(&img);
-    if (cases[i].expected) {
-      EXPECT_EQ(img.comps[0].w, img.comps[1].w);
-      EXPECT_EQ(img.comps[0].h, img.comps[1].h);
-      EXPECT_EQ(img.comps[0].w, img.comps[2].w);
-      EXPECT_EQ(img.comps[0].h, img.comps[2].h);
-    } else {
-      EXPECT_NE(img.comps[0].w, img.comps[1].w);
-      EXPECT_NE(img.comps[0].h, img.comps[1].h);
-      EXPECT_NE(img.comps[0].w, img.comps[2].w);
-      EXPECT_NE(img.comps[0].h, img.comps[2].h);
-    }
-    FX_Free(img.comps[0].data);
-    FX_Free(img.comps[1].data);
-    FX_Free(img.comps[2].data);
-  }
-  FX_Free(img.comps);
-}