// Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors // Licensed under the MIT License: // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // THE SOFTWARE. #include "char.h" #include "../string.h" #include <kj/compat/gtest.h> namespace kj { namespace parse { namespace { typedef IteratorInput<char, const char*> Input; typedef Span<const char*> TestLocation; TEST(CharParsers, ExactChar) { constexpr auto parser = exactChar<'a'>(); { StringPtr text = "a"; Input input(text.begin(), text.end()); EXPECT_TRUE(parser(input) != nullptr); EXPECT_TRUE(input.atEnd()); } { StringPtr text = "b"; Input input(text.begin(), text.end()); EXPECT_TRUE(parser(input) == nullptr); EXPECT_FALSE(input.atEnd()); } } TEST(CharParsers, ExactString) { constexpr auto parser = exactString("foo"); { StringPtr text = "foobar"; Input input(text.begin(), text.end()); EXPECT_TRUE(parser(input) != nullptr); ASSERT_FALSE(input.atEnd()); EXPECT_EQ('b', input.current()); } { StringPtr text = "bar"; Input input(text.begin(), text.end()); EXPECT_TRUE(parser(input) == nullptr); EXPECT_FALSE(input.atEnd()); EXPECT_EQ('b', input.current()); } } TEST(CharParsers, CharRange) { constexpr auto parser = charRange('a', 'z'); { StringPtr text = "a"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ('a', *value); } else { ADD_FAILURE() << "Expected parse result, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "n"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ('n', *value); } else { ADD_FAILURE() << "Expected parse result, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "z"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ('z', *value); } else { ADD_FAILURE() << "Expected parse result, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "`"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); EXPECT_TRUE(result == nullptr); EXPECT_FALSE(input.atEnd()); } { StringPtr text = "{"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); EXPECT_TRUE(result == nullptr); EXPECT_FALSE(input.atEnd()); } { StringPtr text = "A"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); EXPECT_TRUE(result == nullptr); EXPECT_FALSE(input.atEnd()); } } TEST(CharParsers, AnyOfChars) { constexpr auto parser = anyOfChars("axn2B"); { StringPtr text = "a"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ('a', *value); } else { ADD_FAILURE() << "Expected parse result, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "n"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ('n', *value); } else { ADD_FAILURE() << "Expected parse result, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "B"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ('B', *value); } else { ADD_FAILURE() << "Expected parse result, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "b"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); EXPECT_TRUE(result == nullptr); EXPECT_FALSE(input.atEnd()); } { StringPtr text = "j"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); EXPECT_TRUE(result == nullptr); EXPECT_FALSE(input.atEnd()); } { StringPtr text = "A"; Input input(text.begin(), text.end()); Maybe<char> result = parser(input); EXPECT_TRUE(result == nullptr); EXPECT_FALSE(input.atEnd()); } } TEST(CharParsers, CharGroupCombo) { constexpr auto parser = many(charRange('0', '9').orRange('a', 'z').orRange('A', 'Z').orAny("-_")); { StringPtr text = "foo1-bar2_baz3@qux"; Input input(text.begin(), text.end()); Maybe<Array<char>> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ("foo1-bar2_baz3", str(*value)); } else { ADD_FAILURE() << "Expected parse result, got null."; } EXPECT_FALSE(input.atEnd()); } } TEST(CharParsers, Identifier) { constexpr auto parser = identifier; { StringPtr text = "helloWorld123 "; Input input(text.begin(), text.end()); Maybe<String> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ("helloWorld123", *value); } else { ADD_FAILURE() << "Expected string, got null."; } EXPECT_FALSE(input.atEnd()); } } TEST(CharParsers, Integer) { constexpr auto parser = integer; { StringPtr text = "12349"; Input input(text.begin(), text.end()); Maybe<uint64_t> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ(12349u, *value); } else { ADD_FAILURE() << "Expected integer, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "0x1aF0"; Input input(text.begin(), text.end()); Maybe<uint64_t> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ(0x1aF0u, *value); } else { ADD_FAILURE() << "Expected integer, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "064270"; Input input(text.begin(), text.end()); Maybe<uint64_t> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ(064270u, *value); } else { ADD_FAILURE() << "Expected integer, got null."; } EXPECT_TRUE(input.atEnd()); } } TEST(CharParsers, Number) { constexpr auto parser = number; { StringPtr text = "12345"; Input input(text.begin(), text.end()); Maybe<double> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ(12345, *value); } else { ADD_FAILURE() << "Expected number, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "123.25"; Input input(text.begin(), text.end()); Maybe<double> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ(123.25, *value); } else { ADD_FAILURE() << "Expected number, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "123e10"; Input input(text.begin(), text.end()); Maybe<double> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ(123e10, *value); } else { ADD_FAILURE() << "Expected number, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "123.25E+10"; Input input(text.begin(), text.end()); Maybe<double> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ(123.25E+10, *value); } else { ADD_FAILURE() << "Expected number, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "25e-2"; Input input(text.begin(), text.end()); Maybe<double> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ(25e-2, *value); } else { ADD_FAILURE() << "Expected number, got null."; } EXPECT_TRUE(input.atEnd()); } } TEST(CharParsers, DoubleQuotedString) { constexpr auto parser = doubleQuotedString; { StringPtr text = "\"hello\""; Input input(text.begin(), text.end()); Maybe<String> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ("hello", *value); } else { ADD_FAILURE() << "Expected \"hello\", got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "\"test\\a\\b\\f\\n\\r\\t\\v\\\'\\\"\\\?\\x01\\x20\\2\\34\\156\""; Input input(text.begin(), text.end()); Maybe<String> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ("test\a\b\f\n\r\t\v\'\"\?\x01\x20\2\34\156", *value); } else { ADD_FAILURE() << "Expected string, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "\"foo'bar\""; Input input(text.begin(), text.end()); Maybe<String> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ("foo'bar", *value); } else { ADD_FAILURE() << "Expected string, got null."; } EXPECT_TRUE(input.atEnd()); } } TEST(CharParsers, SingleQuotedString) { constexpr auto parser = singleQuotedString; { StringPtr text = "\'hello\'"; Input input(text.begin(), text.end()); Maybe<String> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ("hello", *value); } else { ADD_FAILURE() << "Expected \"hello\", got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "\'test\\a\\b\\f\\n\\r\\t\\v\\\'\\\"\\\?\x01\2\34\156\'"; Input input(text.begin(), text.end()); Maybe<String> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ("test\a\b\f\n\r\t\v\'\"\?\x01\2\34\156", *value); } else { ADD_FAILURE() << "Expected string, got null."; } EXPECT_TRUE(input.atEnd()); } { StringPtr text = "\'foo\"bar\'"; Input input(text.begin(), text.end()); Maybe<String> result = parser(input); KJ_IF_MAYBE(value, result) { EXPECT_EQ("foo\"bar", *value); } else { ADD_FAILURE() << "Expected string, got null."; } EXPECT_TRUE(input.atEnd()); } } } // namespace } // namespace parse } // namespace kj