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Diffstat (limited to 'test/core/common/SourceContextReaderTest.cpp')
| -rw-r--r-- | test/core/common/SourceContextReaderTest.cpp | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/test/core/common/SourceContextReaderTest.cpp b/test/core/common/SourceContextReaderTest.cpp new file mode 100644 index 0000000..4d74e67 --- /dev/null +++ b/test/core/common/SourceContextReaderTest.cpp @@ -0,0 +1,334 @@ +/* + Ousía + Copyright (C) 2014 Benjamin Paaßen, Andreas Stöckel + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <gtest/gtest.h> + +#include <core/common/CharReader.hpp> +#include <core/common/SourceContextReader.hpp> + +namespace ousia { + +static const std::string testStr{"first line\n\nthird line\nlast line"}; +// 0123456789 0 12345678901 23456789012 +// 0 1 2 3 + +static SourceContext readContext( + SourceContextReader &sr, size_t pos, + size_t width = SourceContextReader::MAX_MAX_CONTEXT_LENGTH) +{ + CharReader reader{testStr}; + return sr.readContext(reader, SourceRange{pos}, width); +} + +TEST(SourceContextReader, firstLine) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 0); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("first line", ctx.text); + EXPECT_EQ(0U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(1U, ctx.startLine); + EXPECT_EQ(1U, ctx.startColumn); + EXPECT_EQ(1U, ctx.endLine); + EXPECT_EQ(1U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_FALSE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, firstLineCenter) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 5); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("first line", ctx.text); + EXPECT_EQ(5U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(1U, ctx.startLine); + EXPECT_EQ(6U, ctx.startColumn); + EXPECT_EQ(1U, ctx.endLine); + EXPECT_EQ(6U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_FALSE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, firstLineBeginTruncated) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 0, 3); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("fir", ctx.text); + EXPECT_EQ(0U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(1U, ctx.startLine); + EXPECT_EQ(1U, ctx.startColumn); + EXPECT_EQ(1U, ctx.endLine); + EXPECT_EQ(1U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_TRUE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, inWhitespaceSequence) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 10); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("first line", ctx.text); + EXPECT_EQ(10U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(1U, ctx.startLine); + EXPECT_EQ(11U, ctx.startColumn); + EXPECT_EQ(1U, ctx.endLine); + EXPECT_EQ(11U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_FALSE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, truncation) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 5, 3); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("t l", ctx.text); + EXPECT_EQ(1U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(1U, ctx.startLine); + EXPECT_EQ(6U, ctx.startColumn); + EXPECT_EQ(1U, ctx.endLine); + EXPECT_EQ(6U, ctx.endColumn); + EXPECT_TRUE(ctx.truncatedStart); + EXPECT_TRUE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, emptyLine) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 11); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("", ctx.text); + EXPECT_EQ(0U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(2U, ctx.startLine); + EXPECT_EQ(1U, ctx.startColumn); + EXPECT_EQ(2U, ctx.endLine); + EXPECT_EQ(1U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_FALSE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, thirdLine) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 12); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("third line", ctx.text); + EXPECT_EQ(0U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(3U, ctx.startLine); + EXPECT_EQ(1U, ctx.startColumn); + EXPECT_EQ(3U, ctx.endLine); + EXPECT_EQ(1U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_FALSE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, thirdLineBeginTruncated) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 12, 3); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("thi", ctx.text); + EXPECT_EQ(0U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(3U, ctx.startLine); + EXPECT_EQ(1U, ctx.startColumn); + EXPECT_EQ(3U, ctx.endLine); + EXPECT_EQ(1U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_TRUE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, thirdLineEnd) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 22); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("third line", ctx.text); + EXPECT_EQ(10U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(3U, ctx.startLine); + EXPECT_EQ(11U, ctx.startColumn); + EXPECT_EQ(3U, ctx.endLine); + EXPECT_EQ(11U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_FALSE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, lastLine) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 23); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("last line", ctx.text); + EXPECT_EQ(0U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(4U, ctx.startLine); + EXPECT_EQ(1U, ctx.startColumn); + EXPECT_EQ(4U, ctx.endLine); + EXPECT_EQ(1U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_FALSE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, lastLineMiddle) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 27); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("last line", ctx.text); + EXPECT_EQ(4U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(4U, ctx.startLine); + EXPECT_EQ(5U, ctx.startColumn); + EXPECT_EQ(4U, ctx.endLine); + EXPECT_EQ(5U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_FALSE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, lastLineMiddleTruncated) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 27, 3); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("t l", ctx.text); + EXPECT_EQ(1U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(4U, ctx.startLine); + EXPECT_EQ(5U, ctx.startColumn); + EXPECT_EQ(4U, ctx.endLine); + EXPECT_EQ(5U, ctx.endColumn); + EXPECT_TRUE(ctx.truncatedStart); + EXPECT_TRUE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, lastLineEnd) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 32); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("last line", ctx.text); + EXPECT_EQ(9U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(4U, ctx.startLine); + EXPECT_EQ(10U, ctx.startColumn); + EXPECT_EQ(4U, ctx.endLine); + EXPECT_EQ(10U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_FALSE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, lastLineEndTruncated) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 32, 3); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("ine", ctx.text); + EXPECT_EQ(3U, ctx.relPos); + EXPECT_EQ(0U, ctx.relLen); + EXPECT_EQ(4U, ctx.startLine); + EXPECT_EQ(10U, ctx.startColumn); + EXPECT_EQ(4U, ctx.endLine); + EXPECT_EQ(10U, ctx.endColumn); + EXPECT_TRUE(ctx.truncatedStart); + EXPECT_FALSE(ctx.truncatedEnd); + } +} + +TEST(SourceContextReader, lastLineBeyondEnd) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + SourceContext ctx = readContext(sr, 33); + EXPECT_FALSE(ctx.isValid()); + } +} + +TEST(SourceContextReader, multiline) +{ + SourceContextReader sr; + for (int i = 0; i < 2; i++) { + CharReader reader{testStr}; + SourceContext ctx = sr.readContext(reader, SourceRange{5, 17}); + + EXPECT_TRUE(ctx.isValid()); + EXPECT_EQ("first line\n\nthird line", ctx.text); + EXPECT_EQ(5U, ctx.relPos); + EXPECT_EQ(12U, ctx.relLen); + EXPECT_EQ(1U, ctx.startLine); + EXPECT_EQ(6U, ctx.startColumn); + EXPECT_EQ(3U, ctx.endLine); + EXPECT_EQ(6U, ctx.endColumn); + EXPECT_FALSE(ctx.truncatedStart); + EXPECT_FALSE(ctx.truncatedEnd); + } +} + +} + |