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247 lines
8.0 KiB
C++
247 lines
8.0 KiB
C++
//===- unittest/Format/IntegerLiteralSeparatorTest.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 "FormatTestBase.h"
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#define DEBUG_TYPE "integer-literal-separator-test"
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namespace clang {
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namespace format {
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namespace test {
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namespace {
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class IntegerLiteralSeparatorTest : public FormatTestBase {};
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TEST_F(IntegerLiteralSeparatorTest, SingleQuoteAsSeparator) {
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FormatStyle Style = getLLVMStyle();
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EXPECT_EQ(Style.Language, FormatStyle::LK_Cpp);
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EXPECT_EQ(Style.IntegerLiteralSeparator.Binary, 0);
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EXPECT_EQ(Style.IntegerLiteralSeparator.Decimal, 0);
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EXPECT_EQ(Style.IntegerLiteralSeparator.Hex, 0);
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const StringRef Binary("b = 0b10011'11'0110'1u;");
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verifyFormat(Binary, Style);
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Style.IntegerLiteralSeparator.Binary = -1;
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verifyFormat("b = 0b100111101101u;", Binary, Style);
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Style.IntegerLiteralSeparator.Binary = 1;
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verifyFormat("b = 0b1'0'0'1'1'1'1'0'1'1'0'1u;", Binary, Style);
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Style.IntegerLiteralSeparator.Binary = 4;
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verifyFormat("b = 0b1001'1110'1101u;", Binary, Style);
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const StringRef Decimal("d = 184467'440737'0'95505'92Ull;");
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verifyFormat(Decimal, Style);
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Style.IntegerLiteralSeparator.Decimal = -1;
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verifyFormat("d = 18446744073709550592Ull;", Decimal, Style);
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Style.IntegerLiteralSeparator.Decimal = 3;
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verifyFormat("d = 18'446'744'073'709'550'592Ull;", Decimal, Style);
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const StringRef Hex("h = 0xDEAD'BEEF'DE'AD'BEE'Fuz;");
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verifyFormat(Hex, Style);
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Style.IntegerLiteralSeparator.Hex = -1;
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verifyFormat("h = 0xDEADBEEFDEADBEEFuz;", Hex, Style);
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Style.IntegerLiteralSeparator.Hex = 2;
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verifyFormat("h = 0xDE'AD'BE'EF'DE'AD'BE'EFuz;", Hex, Style);
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verifyFormat("o0 = 0;\n"
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"o1 = 07;\n"
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"o5 = 012345;",
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Style);
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verifyFormat("bi = 0b1'0000i;\n"
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"dif = 1'234if;\n"
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"hil = 0xA'BCil;",
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"bi = 0b10000i;\n"
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"dif = 1234if;\n"
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"hil = 0xABCil;",
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Style);
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verifyFormat("bd = 0b1'0000d;\n"
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"dh = 1'234h;\n"
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"dmin = 1'234min;\n"
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"dns = 1'234ns;\n"
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"ds = 1'234s;\n"
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"dus = 1'234us;\n"
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"hy = 0xA'BCy;",
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"bd = 0b10000d;\n"
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"dh = 1234h;\n"
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"dmin = 1234min;\n"
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"dns = 1234ns;\n"
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"ds = 1234s;\n"
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"dus = 1234us;\n"
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"hy = 0xABCy;",
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Style);
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verifyFormat("hd = 0xAB'Cd;", "hd = 0xABCd;", Style);
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verifyFormat("d = 5'678_km;\n"
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"h = 0xD'EF_u16;",
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"d = 5678_km;\n"
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"h = 0xDEF_u16;",
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Style);
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}
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TEST_F(IntegerLiteralSeparatorTest, UnderscoreAsSeparator) {
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FormatStyle Style = getLLVMStyle();
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const StringRef Binary("B = 0B10011_11_0110_1;");
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const StringRef Decimal("d = 184467_440737_0_95505_92;");
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const StringRef Hex("H = 0XDEAD_BEEF_DE_AD_BEE_F;");
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auto TestUnderscore = [&](auto Language) {
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Style.Language = Language;
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Style.IntegerLiteralSeparator.Binary = 0;
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verifyFormat(Binary, Style);
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Style.IntegerLiteralSeparator.Binary = -1;
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verifyFormat("B = 0B100111101101;", Binary, Style);
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Style.IntegerLiteralSeparator.Binary = 4;
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verifyFormat("B = 0B1001_1110_1101;", Binary, Style);
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Style.IntegerLiteralSeparator.Decimal = 0;
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verifyFormat(Decimal, Style);
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Style.IntegerLiteralSeparator.Decimal = -1;
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verifyFormat("d = 18446744073709550592;", Decimal, Style);
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Style.IntegerLiteralSeparator.Decimal = 3;
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verifyFormat("d = 18_446_744_073_709_550_592;", Decimal, Style);
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Style.IntegerLiteralSeparator.Hex = 0;
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verifyFormat(Hex, Style);
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Style.IntegerLiteralSeparator.Hex = -1;
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verifyFormat("H = 0XDEADBEEFDEADBEEF;", Hex, Style);
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Style.IntegerLiteralSeparator.Hex = 2;
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verifyFormat("H = 0XDE_AD_BE_EF_DE_AD_BE_EF;", Hex, Style);
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};
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TestUnderscore(FormatStyle::LK_CSharp);
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TestUnderscore(FormatStyle::LK_Java);
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TestUnderscore(FormatStyle::LK_JavaScript);
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verifyFormat("d = 9_007_199_254_740_995n;", Style);
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verifyFormat("d = 9_007_199_254_740_995n;", "d = 9007199254740995n;", Style);
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Style.IntegerLiteralSeparator.Binary = 8;
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verifyFormat(
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"b = 0b100000_00000000_00000000_00000000_00000000_00000000_00000011n;",
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"b = 0b100000000000000000000000000000000000000000000000000011n;", Style);
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verifyFormat("h = 0x20_00_00_00_00_00_03n;", Style);
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verifyFormat("h = 0x20_00_00_00_00_00_03n;", "h = 0x20000000000003n;", Style);
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verifyFormat("o = 0o400000000000000003n;", Style);
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}
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TEST_F(IntegerLiteralSeparatorTest, MinDigits) {
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FormatStyle Style = getLLVMStyle();
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Style.IntegerLiteralSeparator.Binary = 3;
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Style.IntegerLiteralSeparator.Decimal = 3;
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Style.IntegerLiteralSeparator.Hex = 2;
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Style.IntegerLiteralSeparator.BinaryMinDigits = 7;
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verifyFormat("b1 = 0b101101;\n"
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"b2 = 0b1'101'101;",
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"b1 = 0b101'101;\n"
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"b2 = 0b1101101;",
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Style);
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Style.IntegerLiteralSeparator.DecimalMinDigits = 5;
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verifyFormat("d1 = 2023;\n"
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"d2 = 10'000;",
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"d1 = 2'023;\n"
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"d2 = 100'00;",
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Style);
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Style.IntegerLiteralSeparator.DecimalMinDigits = 3;
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verifyFormat("d1 = 123;\n"
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"d2 = 1'234;",
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"d1 = 12'3;\n"
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"d2 = 12'34;",
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Style);
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Style.IntegerLiteralSeparator.HexMinDigits = 6;
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verifyFormat("h1 = 0xABCDE;\n"
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"h2 = 0xAB'CD'EF;",
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"h1 = 0xA'BC'DE;\n"
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"h2 = 0xABC'DEF;",
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Style);
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}
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TEST_F(IntegerLiteralSeparatorTest, FixRanges) {
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FormatStyle Style = getLLVMStyle();
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Style.IntegerLiteralSeparator.Decimal = 3;
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const StringRef Code("i = -12'34;\n"
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"// clang-format off\n"
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"j = 123'4;\n"
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"// clang-format on\n"
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"k = +1'23'4;");
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const StringRef Expected("i = -1'234;\n"
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"// clang-format off\n"
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"j = 123'4;\n"
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"// clang-format on\n"
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"k = +1'234;");
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verifyFormat(Expected, Code, Style);
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verifyFormat("i = -1'234;\n"
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"// clang-format off\n"
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"j = 123'4;\n"
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"// clang-format on\n"
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"k = +1'23'4;",
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Code, Style, {tooling::Range(0, 11)}); // line 1
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verifyFormat(Code, Code, Style, {tooling::Range(32, 10)}); // line 3
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verifyFormat("i = -12'34;\n"
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"// clang-format off\n"
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"j = 123'4;\n"
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"// clang-format on\n"
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"k = +1'234;",
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Code, Style, {tooling::Range(61, 12)}); // line 5
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verifyFormat(Expected, Code, Style,
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{tooling::Range(0, 11), tooling::Range(61, 12)}); // lines 1, 5
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}
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TEST_F(IntegerLiteralSeparatorTest, FloatingPoint) {
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FormatStyle Style = getLLVMStyle();
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Style.IntegerLiteralSeparator.Decimal = 3;
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Style.IntegerLiteralSeparator.Hex = 2;
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verifyFormat("d0 = .0;\n"
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"d1 = 0.;\n"
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"y = 7890.;\n"
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"E = 3456E2;\n"
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"p = 0xABCp2;",
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Style);
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Style.Language = FormatStyle::LK_JavaScript;
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verifyFormat("y = 7890.;\n"
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"e = 3456e2;",
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Style);
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Style.Language = FormatStyle::LK_Java;
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verifyFormat("y = 7890.;\n"
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"E = 3456E2;\n"
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"P = 0xABCP2;\n"
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"f = 1234f;\n"
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"D = 5678D;",
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Style);
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Style.Language = FormatStyle::LK_CSharp;
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verifyFormat("y = 7890.;\n"
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"e = 3456e2;\n"
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"F = 1234F;\n"
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"d = 5678d;\n"
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"M = 9012M",
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Style);
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}
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} // namespace
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} // namespace test
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} // namespace format
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} // namespace clang
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