llvm-6502/unittests/ADT/APInt.cpp
Nick Lewycky 1999ff1d81 Port this test from dejagnu to unit testing.
The way this worked before was to test APInt by running
"lli -force-interpreter=true" knowing the lli uses APInt under the hood to
store its values. Now, we test APInt directly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62514 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-19 18:08:33 +00:00

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//===- llvm/unittest/ADT/APInt.cpp - APInt unit tests -----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "llvm/ADT/APInt.h"
using namespace llvm;
namespace {
// Test that APInt shift left works when bitwidth > 64 and shiftamt == 0
TEST(APIntTest, ShiftLeftByZero) {
APInt One = APInt::getNullValue(65) + 1;
APInt Shl = One.shl(0);
EXPECT_EQ(Shl[0], true);
EXPECT_EQ(Shl[1], false);
}
}