72 lines · cpp
1//===- unittest/Format/NumericLiteralInfoTest.cpp -------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "../../lib/Format/NumericLiteralInfo.h"10#include "gtest/gtest.h"11 12namespace clang {13namespace format {14namespace {15 16static constexpr auto npos = llvm::StringRef::npos;17 18class NumericLiteralInfoTest : public testing::Test {19protected:20 bool verifyInfo(const NumericLiteralInfo &Info, size_t BaseLetterPos = npos,21 size_t DotPos = npos, size_t ExponentLetterPos = npos,22 size_t SuffixPos = npos) {23 return Info.BaseLetterPos == BaseLetterPos && Info.DotPos == DotPos &&24 Info.ExponentLetterPos == ExponentLetterPos &&25 Info.SuffixPos == SuffixPos;26 }27};28 29TEST_F(NumericLiteralInfoTest, IntegerLiteral) {30 // Decimal.31 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("90")));32 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9L"), npos, npos, npos, 1));33 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9'0U"), npos, npos, npos, 3));34 35 // Octal.36 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0")));37 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("07")));38 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0z"), npos, npos, npos, 1));39 // JavaScript.40 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0o7"), 1));41 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0O7_0", '_'), 1));42 43 // Binary.44 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0b1"), 1));45 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0B1ul"), 1, npos, npos, 3));46 47 // Hexadecimal.48 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0xF"), 1));49 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0XfZ"), 1, npos, npos, 3));50}51 52TEST_F(NumericLiteralInfoTest, FloatingPointLiteral) {53 // Decimal.54 EXPECT_TRUE(verifyInfo(NumericLiteralInfo(".9"), npos, 0));55 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9."), npos, 1));56 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9.F"), npos, 1, npos, 2));57 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9e9"), npos, npos, 1));58 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9E-9f"), npos, npos, 1, 4));59 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9.9e+9bf16"), npos, 1, 3, 6));60 61 // Hexadecimal.62 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0X.Fp9"), 1, 2, 4));63 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0xF.P9"), 1, 3, 4));64 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0xFp9"), 1, npos, 3));65 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0xFp+9F128"), 1, npos, 3, 6));66 EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0xF.Fp-9_Pa"), 1, 3, 5, 8));67}68 69} // namespace70} // namespace format71} // namespace clang72