llvm-6502/unittests/ADT/SmallStringTest.cpp

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//===- llvm/unittest/ADT/SmallStringTest.cpp ------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// SmallString unit tests.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "llvm/ADT/SmallString.h"
#include <stdarg.h>
#include <climits>
#include <cstring>
using namespace llvm;
namespace {
// Test fixture class
class SmallStringTest : public testing::Test {
protected:
typedef SmallString<40> StringType;
StringType theString;
void assertEmpty(StringType & v) {
// Size tests
EXPECT_EQ(0u, v.size());
EXPECT_TRUE(v.empty());
// Iterator tests
EXPECT_TRUE(v.begin() == v.end());
}
};
// New string test.
TEST_F(SmallStringTest, EmptyStringTest) {
SCOPED_TRACE("EmptyStringTest");
assertEmpty(theString);
EXPECT_TRUE(theString.rbegin() == theString.rend());
}
TEST_F(SmallStringTest, AppendUINT64_MAX) {
SCOPED_TRACE("AppendUINT64_MAX");
theString.clear();
assertEmpty(theString);
theString.append_uint(UINT64_MAX);
EXPECT_TRUE(0 == strcmp(theString.c_str(),"18446744073709551615"));
}
TEST_F(SmallStringTest, AppendINT64_MIN) {
SCOPED_TRACE("AppendINT64_MIN");
theString.clear();
assertEmpty(theString);
theString.append_sint(INT64_MIN);
EXPECT_TRUE(0 == strcmp(theString.c_str(),"-9223372036854775808"));
}
}