1 //===- unittests/Basic/DiagnosticTest.cpp -- Diagnostic engine tests ------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "clang/Basic/Diagnostic.h"
11 #include "clang/Basic/DiagnosticIDs.h"
12 #include "gtest/gtest.h"
13 
14 using namespace llvm;
15 using namespace clang;
16 
17 namespace {
18 
19 // Check that DiagnosticErrorTrap works with SuppressAllDiagnostics.
TEST(DiagnosticTest,suppressAndTrap)20 TEST(DiagnosticTest, suppressAndTrap) {
21   DiagnosticsEngine Diags(new DiagnosticIDs(),
22                           new DiagnosticOptions,
23                           new IgnoringDiagConsumer());
24   Diags.setSuppressAllDiagnostics(true);
25 
26   {
27     DiagnosticErrorTrap trap(Diags);
28 
29     // Diag that would set UncompilableErrorOccurred and ErrorOccurred.
30     Diags.Report(diag::err_target_unknown_triple) << "unknown";
31 
32     // Diag that would set UnrecoverableErrorOccurred and ErrorOccurred.
33     Diags.Report(diag::err_cannot_open_file) << "file" << "error";
34 
35     // Diag that would set FatalErrorOccurred
36     // (via non-note following a fatal error).
37     Diags.Report(diag::warn_mt_message) << "warning";
38 
39     EXPECT_TRUE(trap.hasErrorOccurred());
40     EXPECT_TRUE(trap.hasUnrecoverableErrorOccurred());
41   }
42 
43   EXPECT_FALSE(Diags.hasErrorOccurred());
44   EXPECT_FALSE(Diags.hasFatalErrorOccurred());
45   EXPECT_FALSE(Diags.hasUncompilableErrorOccurred());
46   EXPECT_FALSE(Diags.hasUnrecoverableErrorOccurred());
47 }
48 
49 // Check that FatalsAsErrors works as intended
TEST(DiagnosticTest,fatalsAsErrors)50 TEST(DiagnosticTest, fatalsAsErrors) {
51   DiagnosticsEngine Diags(new DiagnosticIDs(),
52                           new DiagnosticOptions,
53                           new IgnoringDiagConsumer());
54   Diags.setFatalsAsError(true);
55 
56   // Diag that would set UncompilableErrorOccurred and ErrorOccurred.
57   Diags.Report(diag::err_target_unknown_triple) << "unknown";
58 
59   // Diag that would set UnrecoverableErrorOccurred and ErrorOccurred.
60   Diags.Report(diag::err_cannot_open_file) << "file" << "error";
61 
62   // Diag that would set FatalErrorOccurred
63   // (via non-note following a fatal error).
64   Diags.Report(diag::warn_mt_message) << "warning";
65 
66   EXPECT_TRUE(Diags.hasErrorOccurred());
67   EXPECT_FALSE(Diags.hasFatalErrorOccurred());
68   EXPECT_TRUE(Diags.hasUncompilableErrorOccurred());
69   EXPECT_TRUE(Diags.hasUnrecoverableErrorOccurred());
70 }
71 
72 }
73