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 MemoryBuffer *MainBuffer = MemoryBuffer::getMemBuffer(Text, BufferName);
27 MainBufferID = SM.AddNewSourceBuffer(MainBuffer, llvm::SMLoc());
30 SMLoc getLoc(unsigned Offset) {
31 return SMLoc::getFromPointer(
32 SM.getMemoryBuffer(MainBufferID)->getBufferStart() + Offset);
35 SMRange getRange(unsigned Offset, unsigned Length) {
36 return SMRange(getLoc(Offset), getLoc(Offset + Length));
39 void printMessage(SMLoc Loc, SourceMgr::DiagKind Kind,
40 const Twine &Msg, ArrayRef<SMRange> Ranges,
41 ArrayRef<SMFixIt> FixIts) {
42 raw_string_ostream OS(Output);
43 SM.PrintMessage(OS, Loc, Kind, Msg, Ranges, FixIts);
47 } // unnamed namespace
49 TEST_F(SourceMgrTest, BasicError) {
50 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
51 printMessage(getLoc(4), SourceMgr::DK_Error, "message", None, None);
53 EXPECT_EQ("file.in:1:5: error: message\n"
59 TEST_F(SourceMgrTest, BasicWarning) {
60 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
61 printMessage(getLoc(4), SourceMgr::DK_Warning, "message", None, None);
63 EXPECT_EQ("file.in:1:5: warning: message\n"
69 TEST_F(SourceMgrTest, BasicNote) {
70 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
71 printMessage(getLoc(4), SourceMgr::DK_Note, "message", None, None);
73 EXPECT_EQ("file.in:1:5: note: message\n"
79 TEST_F(SourceMgrTest, LocationAtEndOfLine) {
80 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
81 printMessage(getLoc(6), SourceMgr::DK_Error, "message", None, None);
83 EXPECT_EQ("file.in:1:7: error: message\n"
89 TEST_F(SourceMgrTest, LocationAtNewline) {
90 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
91 printMessage(getLoc(7), SourceMgr::DK_Error, "message", None, None);
93 EXPECT_EQ("file.in:1:8: error: message\n"
99 TEST_F(SourceMgrTest, BasicRange) {
100 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
101 printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(4, 3), None);
103 EXPECT_EQ("file.in:1:5: error: message\n"
109 TEST_F(SourceMgrTest, RangeWithTab) {
110 setMainBuffer("aaa\tbbb\nccc ddd\n", "file.in");
111 printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(3, 3), None);
113 EXPECT_EQ("file.in:1:5: error: message\n"
119 TEST_F(SourceMgrTest, MultiLineRange) {
120 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
121 printMessage(getLoc(4), SourceMgr::DK_Error, "message", getRange(4, 7), None);
123 EXPECT_EQ("file.in:1:5: error: message\n"
129 TEST_F(SourceMgrTest, MultipleRanges) {
130 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
131 SMRange Ranges[] = { getRange(0, 3), getRange(4, 3) };
132 printMessage(getLoc(4), SourceMgr::DK_Error, "message", Ranges, None);
134 EXPECT_EQ("file.in:1:5: error: message\n"
140 TEST_F(SourceMgrTest, OverlappingRanges) {
141 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
142 SMRange Ranges[] = { getRange(0, 3), getRange(2, 4) };
143 printMessage(getLoc(4), SourceMgr::DK_Error, "message", Ranges, None);
145 EXPECT_EQ("file.in:1:5: error: message\n"
151 TEST_F(SourceMgrTest, BasicFixit) {
152 setMainBuffer("aaa bbb\nccc ddd\n", "file.in");
153 printMessage(getLoc(4), SourceMgr::DK_Error, "message", None,
154 makeArrayRef(SMFixIt(getRange(4, 3), "zzz")));
156 EXPECT_EQ("file.in:1:5: error: message\n"
163 TEST_F(SourceMgrTest, FixitForTab) {
164 setMainBuffer("aaa\tbbb\nccc ddd\n", "file.in");
165 printMessage(getLoc(3), SourceMgr::DK_Error, "message", None,
166 makeArrayRef(SMFixIt(getRange(3, 1), "zzz")));
168 EXPECT_EQ("file.in:1:4: error: message\n"