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-rw-r--r--test/Frontend/verify3.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/test/Frontend/verify3.c b/test/Frontend/verify3.c
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+// This test-case runs several sub-tests on -verify to ensure that correct
+// diagnostics are generated in relation to the mis-use and non-use of the
+// 'expected-no-diagnostics' directive.
+
+// RUN: %clang_cc1 -DTEST1 -verify %s 2>&1 | FileCheck -check-prefix=CHECK1 %s
+#ifdef TEST1
+// expected-no-diagnostics
+// expected-note {{}}
+
+// CHECK1: error: 'error' diagnostics seen but not expected:
+// CHECK1-NEXT: Line 8: expected directive cannot follow 'expected-no-diagnostics' directive
+// CHECK1-NEXT: 1 error generated.
+#endif
+
+// RUN: %clang_cc1 -DTEST2 -verify %s 2>&1 | FileCheck -check-prefix=CHECK2 %s
+#ifdef TEST2
+#warning X
+// expected-warning@-1 {{X}}
+// expected-no-diagnostics
+
+// CHECK2: error: 'error' diagnostics seen but not expected:
+// CHECK2-NEXT: Line 19: 'expected-no-diagnostics' directive cannot follow other expected directives
+// CHECK2-NEXT: 1 error generated.
+#endif
+
+// RUN: %clang_cc1 -DTEST3 -verify %s 2>&1 | FileCheck -check-prefix=CHECK3 %s
+// RUN: %clang_cc1 -verify 2>&1 | FileCheck -check-prefix=CHECK3 %s
+#ifdef TEST3
+// no directives
+
+// CHECK3: error: no expected directives found: consider use of 'expected-no-diagnostics'
+// CHECK3-NEXT: 1 error generated.
+#endif
+
+// RUN: %clang_cc1 -E -DTEST4 -verify %s 2>&1 | FileCheck -check-prefix=CHECK4 %s
+#ifdef TEST4
+#warning X
+// expected-warning@-1 {{X}}
+
+// CHECK4-NOT: error: no expected directives found: consider use of 'expected-no-diagnostics'
+#endif
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