diff options
Diffstat (limited to 'unittests/Support/LineIteratorTest.cpp')
| -rw-r--r-- | unittests/Support/LineIteratorTest.cpp | 130 |
1 files changed, 104 insertions, 26 deletions
diff --git a/unittests/Support/LineIteratorTest.cpp b/unittests/Support/LineIteratorTest.cpp index 18f3fa9..67f9d97 100644 --- a/unittests/Support/LineIteratorTest.cpp +++ b/unittests/Support/LineIteratorTest.cpp @@ -17,9 +17,9 @@ using namespace llvm::sys; namespace { TEST(LineIteratorTest, Basic) { - std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer("line 1\n" - "line 2\n" - "line 3")); + std::unique_ptr<MemoryBuffer> Buffer = MemoryBuffer::getMemBuffer("line 1\n" + "line 2\n" + "line 3"); line_iterator I = line_iterator(*Buffer), E; @@ -40,15 +40,17 @@ TEST(LineIteratorTest, Basic) { EXPECT_EQ(E, I); } -TEST(LineIteratorTest, CommentSkipping) { +TEST(LineIteratorTest, CommentAndBlankSkipping) { std::unique_ptr<MemoryBuffer> Buffer( MemoryBuffer::getMemBuffer("line 1\n" "line 2\n" "# Comment 1\n" - "line 4\n" + "\n" + "line 5\n" + "\n" "# Comment 2")); - line_iterator I = line_iterator(*Buffer, '#'), E; + line_iterator I = line_iterator(*Buffer, true, '#'), E; EXPECT_FALSE(I.is_at_eof()); EXPECT_NE(E, I); @@ -59,20 +61,57 @@ TEST(LineIteratorTest, CommentSkipping) { EXPECT_EQ("line 2", *I); EXPECT_EQ(2, I.line_number()); ++I; - EXPECT_EQ("line 4", *I); - EXPECT_EQ(4, I.line_number()); + EXPECT_EQ("line 5", *I); + EXPECT_EQ(5, I.line_number()); + ++I; + + EXPECT_TRUE(I.is_at_eof()); + EXPECT_EQ(E, I); +} + +TEST(LineIteratorTest, CommentSkippingKeepBlanks) { + std::unique_ptr<MemoryBuffer> Buffer( + MemoryBuffer::getMemBuffer("line 1\n" + "line 2\n" + "# Comment 1\n" + "# Comment 2\n" + "\n" + "line 6\n" + "\n" + "# Comment 3")); + + line_iterator I = line_iterator(*Buffer, false, '#'), E; + + EXPECT_FALSE(I.is_at_eof()); + EXPECT_NE(E, I); + + EXPECT_EQ("line 1", *I); + EXPECT_EQ(1, I.line_number()); + ++I; + EXPECT_EQ("line 2", *I); + EXPECT_EQ(2, I.line_number()); + ++I; + EXPECT_EQ("", *I); + EXPECT_EQ(5, I.line_number()); + ++I; + EXPECT_EQ("line 6", *I); + EXPECT_EQ(6, I.line_number()); + ++I; + EXPECT_EQ("", *I); + EXPECT_EQ(7, I.line_number()); ++I; EXPECT_TRUE(I.is_at_eof()); EXPECT_EQ(E, I); } + TEST(LineIteratorTest, BlankSkipping) { - std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer("\n\n\n" - "line 1\n" - "\n\n\n" - "line 2\n" - "\n\n\n")); + std::unique_ptr<MemoryBuffer> Buffer = MemoryBuffer::getMemBuffer("\n\n\n" + "line 1\n" + "\n\n\n" + "line 2\n" + "\n\n\n"); line_iterator I = line_iterator(*Buffer), E; @@ -90,26 +129,65 @@ TEST(LineIteratorTest, BlankSkipping) { EXPECT_EQ(E, I); } +TEST(LineIteratorTest, BlankKeeping) { + std::unique_ptr<MemoryBuffer> Buffer = MemoryBuffer::getMemBuffer("\n\n" + "line 3\n" + "\n" + "line 5\n" + "\n\n"); + line_iterator I = line_iterator(*Buffer, false), E; + + EXPECT_FALSE(I.is_at_eof()); + EXPECT_NE(E, I); + + EXPECT_EQ("", *I); + EXPECT_EQ(1, I.line_number()); + ++I; + EXPECT_EQ("", *I); + EXPECT_EQ(2, I.line_number()); + ++I; + EXPECT_EQ("line 3", *I); + EXPECT_EQ(3, I.line_number()); + ++I; + EXPECT_EQ("", *I); + EXPECT_EQ(4, I.line_number()); + ++I; + EXPECT_EQ("line 5", *I); + EXPECT_EQ(5, I.line_number()); + ++I; + EXPECT_EQ("", *I); + EXPECT_EQ(6, I.line_number()); + ++I; + EXPECT_EQ("", *I); + EXPECT_EQ(7, I.line_number()); + ++I; + + EXPECT_TRUE(I.is_at_eof()); + EXPECT_EQ(E, I); +} + TEST(LineIteratorTest, EmptyBuffers) { - std::unique_ptr<MemoryBuffer> Buffer(MemoryBuffer::getMemBuffer("")); + std::unique_ptr<MemoryBuffer> Buffer = MemoryBuffer::getMemBuffer(""); EXPECT_TRUE(line_iterator(*Buffer).is_at_eof()); EXPECT_EQ(line_iterator(), line_iterator(*Buffer)); + EXPECT_TRUE(line_iterator(*Buffer, false).is_at_eof()); + EXPECT_EQ(line_iterator(), line_iterator(*Buffer, false)); - Buffer.reset(MemoryBuffer::getMemBuffer("\n\n\n")); + Buffer = MemoryBuffer::getMemBuffer("\n\n\n"); EXPECT_TRUE(line_iterator(*Buffer).is_at_eof()); EXPECT_EQ(line_iterator(), line_iterator(*Buffer)); - Buffer.reset(MemoryBuffer::getMemBuffer("# foo\n" - "\n" - "# bar")); - EXPECT_TRUE(line_iterator(*Buffer, '#').is_at_eof()); - EXPECT_EQ(line_iterator(), line_iterator(*Buffer, '#')); - - Buffer.reset(MemoryBuffer::getMemBuffer("\n" - "# baz\n" - "\n")); - EXPECT_TRUE(line_iterator(*Buffer, '#').is_at_eof()); - EXPECT_EQ(line_iterator(), line_iterator(*Buffer, '#')); + Buffer = MemoryBuffer::getMemBuffer("# foo\n" + "\n" + "# bar"); + EXPECT_TRUE(line_iterator(*Buffer, true, '#').is_at_eof()); + EXPECT_EQ(line_iterator(), line_iterator(*Buffer, true, '#')); + + Buffer = MemoryBuffer::getMemBuffer("\n" + "# baz\n" + "\n"); + EXPECT_TRUE(line_iterator(*Buffer, true, '#').is_at_eof()); + EXPECT_EQ(line_iterator(), line_iterator(*Buffer, true, '#')); } } // anonymous namespace |