1 //===- unittests/Support/SourceMgrTest.cpp - SourceMgr tests --------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/Support/SourceMgr.h"
11 #include "llvm/Support/MemoryBuffer.h"
12 #include "llvm/Support/raw_ostream.h"
13 #include "gtest/gtest.h"
19 class SourceMgrTest : public testing::Test {
22 unsigned MainBufferID;
25 void setMainBuffer(StringRef Text, StringRef BufferName) {
26 std::unique_ptr<MemoryBuffer> MainBuffer =
27 MemoryBuffer::getMemBuffer(Text, BufferName);
28 MainBufferID = SM.AddNewSourceBuffer(std::move(MainBuffer), llvm::SMLoc());
31 SMLoc getLoc(unsigned Offset) {
32 return SMLoc::getFromPointer(
33 SM.getMemoryBuffer(MainBufferID)->getBufferStart() + Offset);
36 SMRange getRange(unsigned Offset, unsigned Length) {
37 return SMRange(getLoc(Offset), getLoc(Offset + Length));
40 void printMessage(SMLoc Loc, SourceMgr::DiagKind Kind,
41 const Twine &Msg, ArrayRef<SMRange> Ranges,
42 ArrayRef<SMFixIt> FixIts) {
43 raw_string_ostream OS(Output);
44 SM.PrintMessage(OS, Loc, Kind, Msg, Ranges, FixIts);
48 } // unnamed namespace
50 TEST_F(SourceMgrTest, BasicError) {
51 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
52 printMessage(getLoc(4), SourceMgr::DK_Error, "message", None, None);
54 EXPECT_EQ("file.in:1:5: error: message\n"
60 TEST_F(SourceMgrTest, BasicWarning) {
61 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
62 printMessage(getLoc(4), SourceMgr::DK_Warning, "message", None, None);
64 EXPECT_EQ("file.in:1:5: warning: message\n"
70 TEST_F(SourceMgrTest, BasicNote) {
71 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
72 printMessage(getLoc(4), SourceMgr::DK_Note, "message", None, None);
74 EXPECT_EQ("file.in:1:5: note: message\n"
80 TEST_F(SourceMgrTest, LocationAtEndOfLine) {
81 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
82 printMessage(getLoc(6), SourceMgr::DK_Error, "message", None, None);
84 EXPECT_EQ("file.in:1:7: error: message\n"
90 TEST_F(SourceMgrTest, LocationAtNewline) {
91 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
92 printMessage(getLoc(7), SourceMgr::DK_Error, "message", None, None);
94 EXPECT_EQ("file.in:1:8: error: message\n"
100 TEST_F(SourceMgrTest, BasicRange) {
101 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
102 printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(4, 3), None);
104 EXPECT_EQ("file.in:1:5: error: message\n"
110 TEST_F(SourceMgrTest, RangeWithTab) {
111 setMainBuffer("aaa\tbbb\nccc ddd\n", "file.in");
112 printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(3, 3), None);
114 EXPECT_EQ("file.in:1:5: error: message\n"
120 TEST_F(SourceMgrTest, MultiLineRange) {
121 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
122 printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(4, 7), None);
124 EXPECT_EQ("file.in:1:5: error: message\n"
130 TEST_F(SourceMgrTest, MultipleRanges) {
131 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
132 SMRange Ranges[] = { getRange(0, 3), getRange(4, 3) };
133 printMessage(getLoc(4), SourceMgr::DK_Error, "message", Ranges, None);
135 EXPECT_EQ("file.in:1:5: error: message\n"
141 TEST_F(SourceMgrTest, OverlappingRanges) {
142 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
143 SMRange Ranges[] = { getRange(0, 3), getRange(2, 4) };
144 printMessage(getLoc(4), SourceMgr::DK_Error, "message", Ranges, None);
146 EXPECT_EQ("file.in:1:5: error: message\n"
152 TEST_F(SourceMgrTest, BasicFixit) {
153 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
154 printMessage(getLoc(4), SourceMgr::DK_Error, "message", None,
155 makeArrayRef(SMFixIt(getRange(4, 3), "zzz")));
157 EXPECT_EQ("file.in:1:5: error: message\n"
164 TEST_F(SourceMgrTest, FixitForTab) {
165 setMainBuffer("aaa\tbbb\nccc ddd\n", "file.in");
166 printMessage(getLoc(3), SourceMgr::DK_Error, "message", None,
167 makeArrayRef(SMFixIt(getRange(3, 1), "zzz")));
169 EXPECT_EQ("file.in:1:4: error: message\n"