499 lines
16 KiB
C++
499 lines
16 KiB
C++
//===- unittests/Support/SourceMgrTest.cpp - SourceMgr tests --------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/raw_ostream.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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class SourceMgrTest : public testing::Test {
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public:
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SourceMgr SM;
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unsigned MainBufferID;
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std::string Output;
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void setMainBuffer(StringRef Text, StringRef BufferName) {
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std::unique_ptr<MemoryBuffer> MainBuffer =
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MemoryBuffer::getMemBuffer(Text, BufferName);
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MainBufferID = SM.AddNewSourceBuffer(std::move(MainBuffer), llvm::SMLoc());
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}
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SMLoc getLoc(unsigned Offset) {
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return SMLoc::getFromPointer(
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SM.getMemoryBuffer(MainBufferID)->getBufferStart() + Offset);
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}
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SMRange getRange(unsigned Offset, unsigned Length) {
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return SMRange(getLoc(Offset), getLoc(Offset + Length));
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}
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void printMessage(SMLoc Loc, SourceMgr::DiagKind Kind,
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const Twine &Msg, ArrayRef<SMRange> Ranges,
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ArrayRef<SMFixIt> FixIts) {
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raw_string_ostream OS(Output);
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SM.PrintMessage(OS, Loc, Kind, Msg, Ranges, FixIts);
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}
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};
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} // unnamed namespace
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TEST_F(SourceMgrTest, BasicError) {
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setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
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printMessage(getLoc(4), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:1:5: error: message\n"
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"aaa bbb\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, BasicWarning) {
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setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
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printMessage(getLoc(4), SourceMgr::DK_Warning, "message", None, None);
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EXPECT_EQ("file.in:1:5: warning: message\n"
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"aaa bbb\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, BasicRemark) {
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setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
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printMessage(getLoc(4), SourceMgr::DK_Remark, "message", None, None);
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EXPECT_EQ("file.in:1:5: remark: message\n"
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"aaa bbb\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, BasicNote) {
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setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
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printMessage(getLoc(4), SourceMgr::DK_Note, "message", None, None);
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EXPECT_EQ("file.in:1:5: note: message\n"
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"aaa bbb\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationAtEndOfLine) {
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setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
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printMessage(getLoc(6), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:1:7: error: message\n"
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"aaa bbb\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationAtNewline) {
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setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
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printMessage(getLoc(7), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:1:8: error: message\n"
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"aaa bbb\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationAtEmptyBuffer) {
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setMainBuffer("", "file.in");
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printMessage(getLoc(0), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:1:1: error: message\n"
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"\n"
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"^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationJustOnSoleNewline) {
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setMainBuffer("\n", "file.in");
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printMessage(getLoc(0), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:1:1: error: message\n"
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"\n"
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"^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationJustAfterSoleNewline) {
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setMainBuffer("\n", "file.in");
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printMessage(getLoc(1), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:2:1: error: message\n"
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"\n"
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"^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationJustAfterNonNewline) {
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setMainBuffer("123", "file.in");
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printMessage(getLoc(3), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:1:4: error: message\n"
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"123\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationOnFirstLineOfMultiline) {
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setMainBuffer("1234\n6789\n", "file.in");
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printMessage(getLoc(3), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:1:4: error: message\n"
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"1234\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationOnEOLOfFirstLineOfMultiline) {
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setMainBuffer("1234\n6789\n", "file.in");
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printMessage(getLoc(4), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:1:5: error: message\n"
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"1234\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationOnSecondLineOfMultiline) {
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setMainBuffer("1234\n6789\n", "file.in");
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printMessage(getLoc(5), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:2:1: error: message\n"
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"6789\n"
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"^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationOnSecondLineOfMultilineNoSecondEOL) {
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setMainBuffer("1234\n6789", "file.in");
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printMessage(getLoc(5), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:2:1: error: message\n"
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"6789\n"
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"^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationOnEOLOfSecondSecondLineOfMultiline) {
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setMainBuffer("1234\n6789\n", "file.in");
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printMessage(getLoc(9), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:2:5: error: message\n"
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"6789\n"
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" ^\n",
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Output);
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}
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#define STRING_LITERAL_253_BYTES \
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"1234567890\n1234567890\n" \
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"1234567890\n1234567890\n" \
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"1234567890\n1234567890\n" \
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"1234567890\n1234567890\n" \
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"1234567890\n1234567890\n" \
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"1234567890\n1234567890\n" \
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"1234567890\n1234567890\n" \
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"1234567890\n1234567890\n" \
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"1234567890\n1234567890\n" \
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"1234567890\n1234567890\n" \
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"1234567890\n1234567890\n" \
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"1234567890\n"
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//===----------------------------------------------------------------------===//
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// 255-byte buffer tests
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//===----------------------------------------------------------------------===//
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TEST_F(SourceMgrTest, LocationBeforeEndOf255ByteBuffer) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"12" // + 2 = 255 bytes
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, "file.in");
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printMessage(getLoc(253), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:1: error: message\n"
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"12\n"
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"^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationAtEndOf255ByteBuffer) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"12" // + 2 = 255 bytes
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, "file.in");
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printMessage(getLoc(254), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:2: error: message\n"
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"12\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationPastEndOf255ByteBuffer) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"12" // + 2 = 255 bytes
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, "file.in");
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printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:3: error: message\n"
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"12\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationBeforeEndOf255ByteBufferEndingInNewline) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"1\n" // + 2 = 255 bytes
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, "file.in");
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printMessage(getLoc(253), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:1: error: message\n"
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"1\n"
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"^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationAtEndOf255ByteBufferEndingInNewline) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"1\n" // + 2 = 255 bytes
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, "file.in");
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printMessage(getLoc(254), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:2: error: message\n"
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"1\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationPastEndOf255ByteBufferEndingInNewline) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"1\n" // + 2 = 255 bytes
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, "file.in");
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printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:25:1: error: message\n"
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"\n"
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"^\n",
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Output);
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}
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//===----------------------------------------------------------------------===//
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// 256-byte buffer tests
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//===----------------------------------------------------------------------===//
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TEST_F(SourceMgrTest, LocationBeforeEndOf256ByteBuffer) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"123" // + 3 = 256 bytes
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, "file.in");
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printMessage(getLoc(254), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:2: error: message\n"
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"123\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationAtEndOf256ByteBuffer) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"123" // + 3 = 256 bytes
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, "file.in");
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printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:3: error: message\n"
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"123\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationPastEndOf256ByteBuffer) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"123" // + 3 = 256 bytes
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, "file.in");
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printMessage(getLoc(256), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:4: error: message\n"
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"123\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationBeforeEndOf256ByteBufferEndingInNewline) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"12\n" // + 3 = 256 bytes
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, "file.in");
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printMessage(getLoc(254), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:2: error: message\n"
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"12\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationAtEndOf256ByteBufferEndingInNewline) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"12\n" // + 3 = 256 bytes
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, "file.in");
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printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:3: error: message\n"
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"12\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationPastEndOf256ByteBufferEndingInNewline) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"12\n" // + 3 = 256 bytes
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, "file.in");
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printMessage(getLoc(256), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:25:1: error: message\n"
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"\n"
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"^\n",
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Output);
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}
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//===----------------------------------------------------------------------===//
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// 257-byte buffer tests
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//===----------------------------------------------------------------------===//
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TEST_F(SourceMgrTest, LocationBeforeEndOf257ByteBuffer) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"1234" // + 4 = 257 bytes
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, "file.in");
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printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:3: error: message\n"
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"1234\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationAtEndOf257ByteBuffer) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"1234" // + 4 = 257 bytes
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, "file.in");
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printMessage(getLoc(256), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:4: error: message\n"
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"1234\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationPastEndOf257ByteBuffer) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"1234" // + 4 = 257 bytes
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, "file.in");
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printMessage(getLoc(257), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:5: error: message\n"
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"1234\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationBeforeEndOf257ByteBufferEndingInNewline) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"123\n" // + 4 = 257 bytes
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, "file.in");
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printMessage(getLoc(255), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:3: error: message\n"
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"123\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationAtEndOf257ByteBufferEndingInNewline) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"123\n" // + 4 = 257 bytes
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, "file.in");
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printMessage(getLoc(256), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:24:4: error: message\n"
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"123\n"
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" ^\n",
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Output);
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}
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TEST_F(SourceMgrTest, LocationPastEndOf257ByteBufferEndingInNewline) {
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setMainBuffer(STRING_LITERAL_253_BYTES // first 253 bytes
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"123\n" // + 4 = 257 bytes
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, "file.in");
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printMessage(getLoc(257), SourceMgr::DK_Error, "message", None, None);
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EXPECT_EQ("file.in:25:1: error: message\n"
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"\n"
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"^\n",
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Output);
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}
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TEST_F(SourceMgrTest, BasicRange) {
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setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
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printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(4, 3), None);
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EXPECT_EQ("file.in:1:5: error: message\n"
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"aaa bbb\n"
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" ^~~\n",
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Output);
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}
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TEST_F(SourceMgrTest, RangeWithTab) {
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setMainBuffer("aaa\tbbb\nccc ddd\n", "file.in");
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printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(3, 3), None);
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EXPECT_EQ("file.in:1:5: error: message\n"
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"aaa bbb\n"
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" ~~~~~^~\n",
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Output);
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}
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TEST_F(SourceMgrTest, MultiLineRange) {
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setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
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printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(4, 7), None);
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EXPECT_EQ("file.in:1:5: error: message\n"
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"aaa bbb\n"
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" ^~~\n",
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Output);
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}
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TEST_F(SourceMgrTest, MultipleRanges) {
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setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
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SMRange Ranges[] = { getRange(0, 3), getRange(4, 3) };
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printMessage(getLoc(4), SourceMgr::DK_Error, "message", Ranges, None);
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EXPECT_EQ("file.in:1:5: error: message\n"
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"aaa bbb\n"
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"~~~ ^~~\n",
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Output);
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}
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TEST_F(SourceMgrTest, OverlappingRanges) {
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setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
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SMRange Ranges[] = { getRange(0, 3), getRange(2, 4) };
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printMessage(getLoc(4), SourceMgr::DK_Error, "message", Ranges, None);
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EXPECT_EQ("file.in:1:5: error: message\n"
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"aaa bbb\n"
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"~~~~^~\n",
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Output);
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}
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TEST_F(SourceMgrTest, BasicFixit) {
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setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
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printMessage(getLoc(4), SourceMgr::DK_Error, "message", None,
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makeArrayRef(SMFixIt(getRange(4, 3), "zzz")));
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EXPECT_EQ("file.in:1:5: error: message\n"
|
|
"aaa bbb\n"
|
|
" ^~~\n"
|
|
" zzz\n",
|
|
Output);
|
|
}
|
|
|
|
TEST_F(SourceMgrTest, FixitForTab) {
|
|
setMainBuffer("aaa\tbbb\nccc ddd\n", "file.in");
|
|
printMessage(getLoc(3), SourceMgr::DK_Error, "message", None,
|
|
makeArrayRef(SMFixIt(getRange(3, 1), "zzz")));
|
|
|
|
EXPECT_EQ("file.in:1:4: error: message\n"
|
|
"aaa bbb\n"
|
|
" ^^^^^\n"
|
|
" zzz\n",
|
|
Output);
|
|
}
|
|
|