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//===- BitstreamReaderTest.cpp - Tests for BitstreamReader ----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Bitcode/BitstreamReader.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
TEST(BitstreamReaderTest, AtEndOfStream) {
uint8_t Bytes[4] = {
0x00, 0x01, 0x02, 0x03
};
BitstreamReader Reader(std::begin(Bytes), std::end(Bytes));
BitstreamCursor Cursor(Reader);
EXPECT_FALSE(Cursor.AtEndOfStream());
(void)Cursor.Read(8);
EXPECT_FALSE(Cursor.AtEndOfStream());
(void)Cursor.Read(24);
EXPECT_TRUE(Cursor.AtEndOfStream());
Cursor.JumpToBit(0);
EXPECT_FALSE(Cursor.AtEndOfStream());
Cursor.JumpToBit(32);
EXPECT_TRUE(Cursor.AtEndOfStream());
}
TEST(BitstreamReaderTest, AtEndOfStreamJump) {
uint8_t Bytes[4] = {
0x00, 0x01, 0x02, 0x03
};
BitstreamReader Reader(std::begin(Bytes), std::end(Bytes));
BitstreamCursor Cursor(Reader);
Cursor.JumpToBit(32);
EXPECT_TRUE(Cursor.AtEndOfStream());
}
TEST(BitstreamReaderTest, AtEndOfStreamEmpty) {
uint8_t Dummy = 0xFF;
BitstreamReader Reader(&Dummy, &Dummy);
BitstreamCursor Cursor(Reader);
EXPECT_TRUE(Cursor.AtEndOfStream());
}
} // end anonymous namespace
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