72 lines
2.7 KiB
C++
72 lines
2.7 KiB
C++
//===- unittest/Format/NumericLiteralInfoTest.cpp -------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "../../lib/Format/NumericLiteralInfo.h"
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#include "gtest/gtest.h"
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namespace clang {
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namespace format {
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namespace {
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static constexpr auto npos = llvm::StringRef::npos;
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class NumericLiteralInfoTest : public testing::Test {
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protected:
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bool verifyInfo(const NumericLiteralInfo &Info, size_t BaseLetterPos = npos,
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size_t DotPos = npos, size_t ExponentLetterPos = npos,
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size_t SuffixPos = npos) {
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return Info.BaseLetterPos == BaseLetterPos && Info.DotPos == DotPos &&
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Info.ExponentLetterPos == ExponentLetterPos &&
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Info.SuffixPos == SuffixPos;
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}
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};
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TEST_F(NumericLiteralInfoTest, IntegerLiteral) {
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// Decimal.
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("90")));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9L"), npos, npos, npos, 1));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9'0U"), npos, npos, npos, 3));
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// Octal.
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0")));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("07")));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0z"), npos, npos, npos, 1));
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// JavaScript.
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0o7"), 1));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0O7_0", '_'), 1));
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// Binary.
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0b1"), 1));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0B1ul"), 1, npos, npos, 3));
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// Hexadecimal.
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0xF"), 1));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0XfZ"), 1, npos, npos, 3));
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}
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TEST_F(NumericLiteralInfoTest, FloatingPointLiteral) {
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// Decimal.
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo(".9"), npos, 0));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9."), npos, 1));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9.F"), npos, 1, npos, 2));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9e9"), npos, npos, 1));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9E-9f"), npos, npos, 1, 4));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("9.9e+9bf16"), npos, 1, 3, 6));
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// Hexadecimal.
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0X.Fp9"), 1, 2, 4));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0xF.P9"), 1, 3, 4));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0xFp9"), 1, npos, 3));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0xFp+9F128"), 1, npos, 3, 6));
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EXPECT_TRUE(verifyInfo(NumericLiteralInfo("0xF.Fp-9_Pa"), 1, 3, 5, 8));
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}
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} // namespace
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} // namespace format
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} // namespace clang
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