1 //===- BitstreamReaderTest.cpp - Tests for BitstreamReader ----------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/Bitcode/BitstreamReader.h" 11 #include "gtest/gtest.h" 12 13 using namespace llvm; 14 15 namespace { 16 17 TEST(BitstreamReaderTest, AtEndOfStream) { 18 uint8_t Bytes[4] = { 19 0x00, 0x01, 0x02, 0x03 20 }; 21 BitstreamReader Reader(std::begin(Bytes), std::end(Bytes)); 22 BitstreamCursor Cursor(Reader); 23 24 EXPECT_FALSE(Cursor.AtEndOfStream()); 25 (void)Cursor.Read(8); 26 EXPECT_FALSE(Cursor.AtEndOfStream()); 27 (void)Cursor.Read(24); 28 EXPECT_TRUE(Cursor.AtEndOfStream()); 29 30 Cursor.JumpToBit(0); 31 EXPECT_FALSE(Cursor.AtEndOfStream()); 32 33 Cursor.JumpToBit(32); 34 EXPECT_TRUE(Cursor.AtEndOfStream()); 35 } 36 37 TEST(BitstreamReaderTest, AtEndOfStreamJump) { 38 uint8_t Bytes[4] = { 39 0x00, 0x01, 0x02, 0x03 40 }; 41 BitstreamReader Reader(std::begin(Bytes), std::end(Bytes)); 42 BitstreamCursor Cursor(Reader); 43 44 Cursor.JumpToBit(32); 45 EXPECT_TRUE(Cursor.AtEndOfStream()); 46 } 47 48 TEST(BitstreamReaderTest, AtEndOfStreamEmpty) { 49 uint8_t Dummy = 0xFF; 50 BitstreamReader Reader(&Dummy, &Dummy); 51 BitstreamCursor Cursor(Reader); 52 53 EXPECT_TRUE(Cursor.AtEndOfStream()); 54 } 55 56 } // end anonymous namespace 57
