Remove GetBits32().

Replace it with CFX_BitStream.

Change-Id: Ib74657f888b8dec8b6fdad7b49e28d250991c590
Reviewed-on: https://pdfium-review.googlesource.com/32852
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>

1 files changed, 0 insertions, 23 deletions

diff --git a/core/fxcrt/fx_extension_unittest.cpp b/core/fxcrt/fx_extension_unittest.cpp
index 155b7014b7..39f26b534b 100644
--- a/core/fxcrt/fx_extension_unittest.cpp
+++ b/core/fxcrt/fx_extension_unittest.cpp
@@ -5,19 +5,6 @@
 #include "core/fxcrt/fx_extension.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace {
-
-uint32_t ReferenceGetBits32(const uint8_t* pData, int bitpos, int nbits) {
-  int result = 0;
-  for (int i = 0; i < nbits; i++) {
-    if (pData[(bitpos + i) / 8] & (1 << (7 - (bitpos + i) % 8)))
-      result |= 1 << (nbits - i - 1);
-  }
-  return result;
-}
-
-}  // namespace
-
 TEST(fxcrt, FXSYS_HexCharToInt) {
   EXPECT_EQ(10, FXSYS_HexCharToInt('a'));
   EXPECT_EQ(10, FXSYS_HexCharToInt('A'));
@@ -103,16 +90,6 @@ TEST(fxcrt, FXSYS_ToUTF16BE) {
   EXPECT_STREQ("D840DC3E", buf);
 }
 
-TEST(fxcrt, GetBits32) {
-  unsigned char data[] = {0xDE, 0x3F, 0xB1, 0x7C, 0x12, 0x9A, 0x04, 0x56};
-  for (int nbits = 1; nbits <= 32; ++nbits) {
-    for (int bitpos = 0; bitpos < (int)sizeof(data) * 8 - nbits; ++bitpos) {
-      EXPECT_EQ(ReferenceGetBits32(data, bitpos, nbits),
-                GetBits32(data, bitpos, nbits));
-    }
-  }
-}
-
 TEST(fxcrt, FXSYS_wcstof) {
   int32_t used_len = 0;
   EXPECT_FLOAT_EQ(-12.0f, FXSYS_wcstof(L"-12", 3, &used_len));