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Issue 29722755: Issue 6378 - [emscripten] Make DependentString constexpr
Patch Set: More constexprs, test cases. Created March 15, 2018, 5:38 p.m.
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1 /* 1 /*
2 * This file is part of Adblock Plus <https://adblockplus.org/>, 2 * This file is part of Adblock Plus <https://adblockplus.org/>,
3 * Copyright (C) 2006-present eyeo GmbH 3 * Copyright (C) 2006-present eyeo GmbH
4 * 4 *
5 * Adblock Plus is free software: you can redistribute it and/or modify 5 * Adblock Plus is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 3 as 6 * it under the terms of the GNU General Public License version 3 as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
8 * 8 *
9 * Adblock Plus is distributed in the hope that it will be useful, 9 * Adblock Plus is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details. 12 * GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. 15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
16 */ 16 */
17 17
18 #include <string> 18 #include <string>
19 #include <gtest/gtest.h> 19 #include <gtest/gtest.h>
20 #include "compiled/String.h" 20 #include "compiled/String.h"
21 21
22 ABP_NS_USING 22 ABP_NS_USING
23 23
24 void checkConstexprCorrectness()
25 {
26 static constexpr DependentString s(u"Hello world!");
27 static constexpr DependentString s2;
28 static constexpr DependentString s3(u"Hello again!", 12);
29 static constexpr DependentString s4 = u"Hello again!"_str;
30
31 static_assert(s.length() == 12, "Length should be 12");
32 static_assert(s3.equals(s4), "Strings should be equal");
33 static_assert(s4 == s3, "Strings should be equal");
34
35 static_assert(!s.empty(), "String should not be empty");
36 static_assert(!s.is_writable(), "String should not be writable");
37 static_assert(!s.is_deleted(), "String should not be deleted");
38
39 static_assert(s.data()[0] == 'H', "First character should be 'H'");
40 static_assert(s[1] == 'e', "Second character should be 'e'");
41
42 static_assert(s2.is_invalid(), "String should be invalid");
Eric 2018/03/15 18:33:54 Does calling empty(), is_writable(), etc. on inval
sergei 2018/03/16 13:43:26 Could you please create an issue for that? Since n
43 }
44
24 TEST(TestString, constructInvalidDependentString) 45 TEST(TestString, constructInvalidDependentString)
25 { 46 {
26 DependentString s; 47 DependentString s;
27 EXPECT_TRUE(s.is_invalid()); 48 EXPECT_TRUE(s.is_invalid());
28 49
29 DependentString s2(s); 50 DependentString s2(s);
30 EXPECT_TRUE(s2.is_invalid()); 51 EXPECT_TRUE(s2.is_invalid());
31 } 52 }
32 53
33 TEST(TestString, constructInvalidOwnedString) 54 TEST(TestString, constructInvalidOwnedString)
(...skipping 134 matching lines...) Expand 10 before | Expand all | Expand 10 after
168 EXPECT_FALSE(lexical_cast<bool>(ABP_TEXT("some-string"_str))); 189 EXPECT_FALSE(lexical_cast<bool>(ABP_TEXT("some-string"_str)));
169 EXPECT_FALSE(lexical_cast<bool>(ABP_TEXT(""_str))); 190 EXPECT_FALSE(lexical_cast<bool>(ABP_TEXT(""_str)));
170 EXPECT_FALSE(lexical_cast<bool>(DependentString())); 191 EXPECT_FALSE(lexical_cast<bool>(DependentString()));
171 } 192 }
172 193
173 TEST(TestStringLexicalCast, toOwnedString) 194 TEST(TestStringLexicalCast, toOwnedString)
174 { 195 {
175 EXPECT_EQ(ABP_TEXT("some-string"_str), lexical_cast<OwnedString>(ABP_TEXT("som e-string"_str))); 196 EXPECT_EQ(ABP_TEXT("some-string"_str), lexical_cast<OwnedString>(ABP_TEXT("som e-string"_str)));
176 EXPECT_EQ(ABP_TEXT(""_str), lexical_cast<OwnedString>(ABP_TEXT(""_str))); 197 EXPECT_EQ(ABP_TEXT(""_str), lexical_cast<OwnedString>(ABP_TEXT(""_str)));
177 } 198 }
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