SPIRV-Tools/test/text_word_get_test.cpp

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// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string>
#include "test/unit_spirv.h"
namespace spvtools {
namespace {
using spvtest::AutoText;
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#define TAB "\t"
#define NEWLINE "\n"
#define BACKSLASH R"(\)"
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#define QUOTE R"(")"
TEST(TextWordGet, NullTerminator) {
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(
SPV_SUCCESS,
AssemblyContext(AutoText("Word"), nullptr).getWord(&word, &endPosition));
ASSERT_EQ(4u, endPosition.column);
ASSERT_EQ(0u, endPosition.line);
ASSERT_EQ(4u, endPosition.index);
ASSERT_STREQ("Word", word.c_str());
}
TEST(TextWordGet, TabTerminator) {
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(SPV_SUCCESS, AssemblyContext(AutoText("Word\t"), nullptr)
.getWord(&word, &endPosition));
ASSERT_EQ(4u, endPosition.column);
ASSERT_EQ(0u, endPosition.line);
ASSERT_EQ(4u, endPosition.index);
ASSERT_STREQ("Word", word.c_str());
}
TEST(TextWordGet, SpaceTerminator) {
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(
SPV_SUCCESS,
AssemblyContext(AutoText("Word "), nullptr).getWord(&word, &endPosition));
ASSERT_EQ(4u, endPosition.column);
ASSERT_EQ(0u, endPosition.line);
ASSERT_EQ(4u, endPosition.index);
ASSERT_STREQ("Word", word.c_str());
}
TEST(TextWordGet, SemicolonTerminator) {
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(
SPV_SUCCESS,
AssemblyContext(AutoText("Wo;rd"), nullptr).getWord(&word, &endPosition));
ASSERT_EQ(2u, endPosition.column);
ASSERT_EQ(0u, endPosition.line);
ASSERT_EQ(2u, endPosition.index);
ASSERT_STREQ("Wo", word.c_str());
}
TEST(TextWordGet, NoTerminator) {
const std::string full_text = "abcdefghijklmn";
for (size_t len = 1; len <= full_text.size(); ++len) {
std::string word;
spv_text_t text = {full_text.data(), len};
spv_position_t endPosition = {};
ASSERT_EQ(SPV_SUCCESS,
AssemblyContext(&text, nullptr).getWord(&word, &endPosition));
ASSERT_EQ(0u, endPosition.line);
ASSERT_EQ(len, endPosition.column);
ASSERT_EQ(len, endPosition.index);
ASSERT_EQ(full_text.substr(0, len), word);
}
}
TEST(TextWordGet, MultipleWords) {
AutoText input("Words in a sentence");
AssemblyContext data(input, nullptr);
spv_position_t endPosition = {};
const char* words[] = {"Words", "in", "a", "sentence"};
std::string word;
for (uint32_t wordIndex = 0; wordIndex < 4; ++wordIndex) {
ASSERT_EQ(SPV_SUCCESS, data.getWord(&word, &endPosition));
ASSERT_EQ(strlen(words[wordIndex]),
endPosition.column - data.position().column);
ASSERT_EQ(0u, endPosition.line);
ASSERT_EQ(strlen(words[wordIndex]),
endPosition.index - data.position().index);
ASSERT_STREQ(words[wordIndex], word.c_str());
data.setPosition(endPosition);
if (3 != wordIndex) {
ASSERT_EQ(SPV_SUCCESS, data.advance());
} else {
ASSERT_EQ(SPV_END_OF_STREAM, data.advance());
}
}
}
TEST(TextWordGet, QuotesAreKept) {
AutoText input(R"("quotes" "around words")");
const char* expected[] = {R"("quotes")", R"("around words")"};
AssemblyContext data(input, nullptr);
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(SPV_SUCCESS, data.getWord(&word, &endPosition));
EXPECT_EQ(8u, endPosition.column);
EXPECT_EQ(0u, endPosition.line);
EXPECT_EQ(8u, endPosition.index);
EXPECT_STREQ(expected[0], word.c_str());
// Move to the next word.
data.setPosition(endPosition);
data.seekForward(1);
ASSERT_EQ(SPV_SUCCESS, data.getWord(&word, &endPosition));
EXPECT_EQ(23u, endPosition.column);
EXPECT_EQ(0u, endPosition.line);
EXPECT_EQ(23u, endPosition.index);
EXPECT_STREQ(expected[1], word.c_str());
}
TEST(TextWordGet, QuotesBetweenWordsActLikeGlue) {
AutoText input(R"(quotes" "between words)");
const char* expected[] = {R"(quotes" "between)", "words"};
AssemblyContext data(input, nullptr);
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(SPV_SUCCESS, data.getWord(&word, &endPosition));
EXPECT_EQ(16u, endPosition.column);
EXPECT_EQ(0u, endPosition.line);
EXPECT_EQ(16u, endPosition.index);
EXPECT_STREQ(expected[0], word.c_str());
// Move to the next word.
data.setPosition(endPosition);
data.seekForward(1);
ASSERT_EQ(SPV_SUCCESS, data.getWord(&word, &endPosition));
EXPECT_EQ(22u, endPosition.column);
EXPECT_EQ(0u, endPosition.line);
EXPECT_EQ(22u, endPosition.index);
EXPECT_STREQ(expected[1], word.c_str());
}
TEST(TextWordGet, QuotingWhitespace) {
AutoText input(QUOTE "white " NEWLINE TAB " space" QUOTE);
// Whitespace surrounded by quotes acts like glue.
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(SPV_SUCCESS,
AssemblyContext(input, nullptr).getWord(&word, &endPosition));
EXPECT_EQ(input.str.length(), endPosition.column);
EXPECT_EQ(0u, endPosition.line);
EXPECT_EQ(input.str.length(), endPosition.index);
EXPECT_EQ(input.str, word);
}
TEST(TextWordGet, QuoteAlone) {
AutoText input(QUOTE);
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(SPV_SUCCESS,
AssemblyContext(input, nullptr).getWord(&word, &endPosition));
ASSERT_EQ(1u, endPosition.column);
ASSERT_EQ(0u, endPosition.line);
ASSERT_EQ(1u, endPosition.index);
ASSERT_STREQ(QUOTE, word.c_str());
}
TEST(TextWordGet, EscapeAlone) {
AutoText input(BACKSLASH);
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(SPV_SUCCESS,
AssemblyContext(input, nullptr).getWord(&word, &endPosition));
ASSERT_EQ(1u, endPosition.column);
ASSERT_EQ(0u, endPosition.line);
ASSERT_EQ(1u, endPosition.index);
ASSERT_STREQ(BACKSLASH, word.c_str());
}
TEST(TextWordGet, EscapeAtEndOfInput) {
AutoText input("word" BACKSLASH);
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(SPV_SUCCESS,
AssemblyContext(input, nullptr).getWord(&word, &endPosition));
ASSERT_EQ(5u, endPosition.column);
ASSERT_EQ(0u, endPosition.line);
ASSERT_EQ(5u, endPosition.index);
ASSERT_STREQ("word" BACKSLASH, word.c_str());
}
TEST(TextWordGet, Escaping) {
AutoText input("w" BACKSLASH QUOTE "o" BACKSLASH NEWLINE "r" BACKSLASH ";d");
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(SPV_SUCCESS,
AssemblyContext(input, nullptr).getWord(&word, &endPosition));
ASSERT_EQ(10u, endPosition.column);
ASSERT_EQ(0u, endPosition.line);
ASSERT_EQ(10u, endPosition.index);
ASSERT_EQ(input.str, word);
}
TEST(TextWordGet, EscapingEscape) {
AutoText input("word" BACKSLASH BACKSLASH " abc");
std::string word;
spv_position_t endPosition = {};
ASSERT_EQ(SPV_SUCCESS,
AssemblyContext(input, nullptr).getWord(&word, &endPosition));
ASSERT_EQ(6u, endPosition.column);
ASSERT_EQ(0u, endPosition.line);
ASSERT_EQ(6u, endPosition.index);
ASSERT_STREQ("word" BACKSLASH BACKSLASH, word.c_str());
}
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TEST(TextWordGet, CRLF) {
AutoText input("abc\r\nd");
AssemblyContext data(input, nullptr);
std::string word;
spv_position_t pos = {};
ASSERT_EQ(SPV_SUCCESS, data.getWord(&word, &pos));
EXPECT_EQ(3u, pos.column);
EXPECT_STREQ("abc", word.c_str());
data.setPosition(pos);
data.advance();
ASSERT_EQ(SPV_SUCCESS, data.getWord(&word, &pos));
EXPECT_EQ(1u, pos.column);
EXPECT_STREQ("d", word.c_str());
}
} // namespace
} // namespace spvtools