267 lines · cpp
1//===- unittest/Format/IntegerLiteralSeparatorTest.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 "FormatTestBase.h"10 11#define DEBUG_TYPE "integer-literal-separator-test"12 13namespace clang {14namespace format {15namespace test {16namespace {17 18class IntegerLiteralSeparatorTest : public FormatTestBase {};19 20TEST_F(IntegerLiteralSeparatorTest, SingleQuoteAsSeparator) {21 FormatStyle Style = getLLVMStyle();22 EXPECT_EQ(Style.Language, FormatStyle::LK_Cpp);23 EXPECT_EQ(Style.IntegerLiteralSeparator.Binary, 0);24 EXPECT_EQ(Style.IntegerLiteralSeparator.Decimal, 0);25 EXPECT_EQ(Style.IntegerLiteralSeparator.Hex, 0);26 27 constexpr StringRef Binary("b = 0b10011'11'0110'1u;");28 verifyFormat(Binary, Style);29 Style.IntegerLiteralSeparator.Binary = -1;30 verifyFormat("b = 0b100111101101u;", Binary, Style);31 Style.IntegerLiteralSeparator.Binary = 1;32 verifyFormat("b = 0b1'0'0'1'1'1'1'0'1'1'0'1u;", Binary, Style);33 Style.IntegerLiteralSeparator.Binary = 4;34 verifyFormat("b = 0b1001'1110'1101u;", Binary, Style);35 36 constexpr StringRef Decimal("d = 184467'440737'0'95505'92Ull;");37 verifyFormat(Decimal, Style);38 Style.IntegerLiteralSeparator.Decimal = -1;39 verifyFormat("d = 18446744073709550592Ull;", Decimal, Style);40 Style.IntegerLiteralSeparator.Decimal = 3;41 verifyFormat("d = 18'446'744'073'709'550'592Ull;", Decimal, Style);42 43 constexpr StringRef Hex("h = 0xDEAD'BEEF'DE'AD'BEE'Fuz;");44 verifyFormat(Hex, Style);45 Style.IntegerLiteralSeparator.Hex = -1;46 verifyFormat("h = 0xDEADBEEFDEADBEEFuz;", Hex, Style);47 Style.IntegerLiteralSeparator.Hex = 2;48 verifyFormat("h = 0xDE'AD'BE'EF'DE'AD'BE'EFuz;", Hex, Style);49 50 verifyFormat("o0 = 0;\n"51 "o1 = 07;\n"52 "o5 = 012345;",53 Style);54 55 verifyFormat("bi = 0b1'0000i;\n"56 "dif = 1'234if;\n"57 "hil = 0xA'BCil;",58 "bi = 0b10000i;\n"59 "dif = 1234if;\n"60 "hil = 0xABCil;",61 Style);62 63 verifyFormat("bd = 0b1'0000d;\n"64 "dh = 1'234h;\n"65 "dmin = 1'234min;\n"66 "dns = 1'234ns;\n"67 "ds = 1'234s;\n"68 "dus = 1'234us;\n"69 "hy = 0xA'BCy;",70 "bd = 0b10000d;\n"71 "dh = 1234h;\n"72 "dmin = 1234min;\n"73 "dns = 1234ns;\n"74 "ds = 1234s;\n"75 "dus = 1234us;\n"76 "hy = 0xABCy;",77 Style);78 79 verifyFormat("hd = 0xAB'Cd;", "hd = 0xABCd;", Style);80 81 verifyFormat("d = 5'678_km;\n"82 "h = 0xD'EF_u16;",83 "d = 5678_km;\n"84 "h = 0xDEF_u16;",85 Style);86 87 Style.Standard = FormatStyle::LS_Cpp11;88 verifyFormat("ld = 1234L;", Style);89}90 91TEST_F(IntegerLiteralSeparatorTest, UnderscoreAsSeparator) {92 FormatStyle Style = getLLVMStyle();93 constexpr StringRef Binary("B = 0B10011_11_0110_1;");94 constexpr StringRef Decimal("d = 184467_440737_0_95505_92;");95 constexpr StringRef Hex("H = 0XDEAD_BEEF_DE_AD_BEE_F;");96 97 auto TestUnderscore = [&](auto Language) {98 Style.Language = Language;99 100 Style.IntegerLiteralSeparator.Binary = 0;101 verifyFormat(Binary, Style);102 Style.IntegerLiteralSeparator.Binary = -1;103 verifyFormat("B = 0B100111101101;", Binary, Style);104 Style.IntegerLiteralSeparator.Binary = 4;105 verifyFormat("B = 0B1001_1110_1101;", Binary, Style);106 107 Style.IntegerLiteralSeparator.Decimal = 0;108 verifyFormat(Decimal, Style);109 Style.IntegerLiteralSeparator.Decimal = -1;110 verifyFormat("d = 18446744073709550592;", Decimal, Style);111 Style.IntegerLiteralSeparator.Decimal = 3;112 verifyFormat("d = 18_446_744_073_709_550_592;", Decimal, Style);113 114 Style.IntegerLiteralSeparator.Hex = 0;115 verifyFormat(Hex, Style);116 Style.IntegerLiteralSeparator.Hex = -1;117 verifyFormat("H = 0XDEADBEEFDEADBEEF;", Hex, Style);118 Style.IntegerLiteralSeparator.Hex = 2;119 verifyFormat("H = 0XDE_AD_BE_EF_DE_AD_BE_EF;", Hex, Style);120 };121 122 TestUnderscore(FormatStyle::LK_CSharp);123 TestUnderscore(FormatStyle::LK_Java);124 TestUnderscore(FormatStyle::LK_JavaScript);125 126 verifyFormat("d = 9_007_199_254_740_995n;", Style);127 verifyFormat("d = 9_007_199_254_740_995n;", "d = 9007199254740995n;", Style);128 129 Style.IntegerLiteralSeparator.Binary = 8;130 verifyFormat(131 "b = 0b100000_00000000_00000000_00000000_00000000_00000000_00000011n;",132 "b = 0b100000000000000000000000000000000000000000000000000011n;", Style);133 134 verifyFormat("h = 0x20_00_00_00_00_00_03n;", Style);135 verifyFormat("h = 0x20_00_00_00_00_00_03n;", "h = 0x20000000000003n;", Style);136 137 verifyFormat("o = 0o400000000000000003n;", Style);138}139 140TEST_F(IntegerLiteralSeparatorTest, MinDigitsInsert) {141 FormatStyle Style = getLLVMStyle();142 Style.IntegerLiteralSeparator.Binary = 3;143 Style.IntegerLiteralSeparator.Decimal = 3;144 Style.IntegerLiteralSeparator.Hex = 2;145 146 Style.IntegerLiteralSeparator.BinaryMinDigitsInsert = 7;147 verifyFormat("b1 = 0b101101;\n"148 "b2 = 0b1'101'101;",149 "b1 = 0b101'101;\n"150 "b2 = 0b1101101;",151 Style);152 153 Style.IntegerLiteralSeparator.DecimalMinDigitsInsert = 5;154 verifyFormat("d1 = 2023;\n"155 "d2 = 10'000;",156 "d1 = 2'023;\n"157 "d2 = 100'00;",158 Style);159 160 Style.IntegerLiteralSeparator.DecimalMinDigitsInsert = 3;161 verifyFormat("d1 = 123;\n"162 "d2 = 1'234;",163 "d1 = 12'3;\n"164 "d2 = 12'34;",165 Style);166 167 Style.IntegerLiteralSeparator.HexMinDigitsInsert = 6;168 verifyFormat("h1 = 0xABCDE;\n"169 "h2 = 0xAB'CD'EF;",170 "h1 = 0xA'BC'DE;\n"171 "h2 = 0xABC'DEF;",172 Style);173}174 175TEST_F(IntegerLiteralSeparatorTest, FixRanges) {176 FormatStyle Style = getLLVMStyle();177 Style.IntegerLiteralSeparator.Decimal = 3;178 179 constexpr StringRef Code("i = -12'34;\n"180 "// clang-format off\n"181 "j = 123'4;\n"182 "// clang-format on\n"183 "k = +1'23'4;");184 constexpr StringRef Expected("i = -1'234;\n"185 "// clang-format off\n"186 "j = 123'4;\n"187 "// clang-format on\n"188 "k = +1'234;");189 190 verifyFormat(Expected, Code, Style);191 192 verifyFormat("i = -1'234;\n"193 "// clang-format off\n"194 "j = 123'4;\n"195 "// clang-format on\n"196 "k = +1'23'4;",197 Code, Style, {tooling::Range(0, 11)}); // line 1198 199 verifyFormat(Code, Code, Style, {tooling::Range(32, 10)}); // line 3200 201 verifyFormat("i = -12'34;\n"202 "// clang-format off\n"203 "j = 123'4;\n"204 "// clang-format on\n"205 "k = +1'234;",206 Code, Style, {tooling::Range(61, 12)}); // line 5207 208 verifyFormat(Expected, Code, Style,209 {tooling::Range(0, 11), tooling::Range(61, 12)}); // lines 1, 5210}211 212TEST_F(IntegerLiteralSeparatorTest, FloatingPoint) {213 FormatStyle Style = getLLVMStyle();214 Style.IntegerLiteralSeparator.Decimal = 3;215 Style.IntegerLiteralSeparator.Hex = 2;216 217 verifyFormat("d0 = .0;\n"218 "d1 = 0.;\n"219 "y = 7890.;\n"220 "E = 3456E2;\n"221 "p = 0xABCp2;",222 Style);223 224 Style.Language = FormatStyle::LK_JavaScript;225 verifyFormat("y = 7890.;\n"226 "e = 3456e2;",227 Style);228 229 Style.Language = FormatStyle::LK_Java;230 verifyFormat("y = 7890.;\n"231 "E = 3456E2;\n"232 "P = 0xABCP2;\n"233 "f = 1234f;\n"234 "D = 5678D;",235 Style);236 237 Style.Language = FormatStyle::LK_CSharp;238 verifyFormat("y = 7890.;\n"239 "e = 3456e2;\n"240 "F = 1234F;\n"241 "d = 5678d;\n"242 "M = 9012M",243 Style);244}245 246TEST_F(IntegerLiteralSeparatorTest, MaxDigitsRemove) {247 auto Style = getLLVMStyle();248 Style.IntegerLiteralSeparator.Decimal = 3;249 Style.IntegerLiteralSeparator.DecimalMaxDigitsRemove = 4;250 Style.IntegerLiteralSeparator.DecimalMinDigitsInsert = 7;251 252 verifyFormat("d1 = 123456;\n"253 "d2 = 1234'56;",254 Style);255 256 verifyFormat("d0 = 2023;\n"257 "d3 = 5'000'000;",258 "d0 = 20'2'3;\n"259 "d3 = 5000000;",260 Style);261}262 263} // namespace264} // namespace test265} // namespace format266} // namespace clang267