--- /dev/null
+//===- 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