Added simple regression test for modularize.

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@177960 91177308-0d34-0410-b5e6-96231b3b80d8

10 files changed, 64 insertions, 0 deletions

diff --git a/test/modularize/InputNoProblems/SomeDecls.h b/test/modularize/InputNoProblems/SomeDecls.h
new file mode 100644
index 00000000..af4d994d
--- /dev/null
+++ b/test/modularize/InputNoProblems/SomeDecls.h
@@ -0,0 +1,5 @@
+// Declare a couple of functions - no modules problems.
+
+void FuncOne();
+
+int FuncTwo(int arg);
diff --git a/test/modularize/InputNoProblems/SomeTypes.h b/test/modularize/InputNoProblems/SomeTypes.h
new file mode 100644
index 00000000..46c4316f
--- /dev/null
+++ b/test/modularize/InputNoProblems/SomeTypes.h
@@ -0,0 +1,16 @@
+// Define a few different kinds of types - no modules problems.
+
+typedef int TypeInt;
+
+typedef TypeInt NestedTypeInt;
+
+struct TypeStruct {
+  int Member;
+};
+
+class TypeClass {
+public:
+  TypeClass() : Member(0) {}
+private:
+  int Member;
+};
diff --git a/test/modularize/InputProblemsDuplicate/Header1.h b/test/modularize/InputProblemsDuplicate/Header1.h
new file mode 100644
index 00000000..ad41bb13
--- /dev/null
+++ b/test/modularize/InputProblemsDuplicate/Header1.h
@@ -0,0 +1,2 @@
+// Same decl as in Header2.h.
+typedef int TypeInt;
diff --git a/test/modularize/InputProblemsDuplicate/Header2.h b/test/modularize/InputProblemsDuplicate/Header2.h
new file mode 100644
index 00000000..938bb22f
--- /dev/null
+++ b/test/modularize/InputProblemsDuplicate/Header2.h
@@ -0,0 +1,2 @@
+// Same decl as in Header1.h.
+typedef int TypeInt;
diff --git a/test/modularize/InputProblemsInconsistent/Header1.h b/test/modularize/InputProblemsInconsistent/Header1.h
new file mode 100644
index 00000000..67629829
--- /dev/null
+++ b/test/modularize/InputProblemsInconsistent/Header1.h
@@ -0,0 +1,4 @@
+// Define symbol such that a declaration exists when this header
+// is included, but not when Header2.h is included.
+#define SYMBOL1 1
+#include "SubHeader.h"
diff --git a/test/modularize/InputProblemsInconsistent/Header2.h b/test/modularize/InputProblemsInconsistent/Header2.h
new file mode 100644
index 00000000..aa59ff91
--- /dev/null
+++ b/test/modularize/InputProblemsInconsistent/Header2.h
@@ -0,0 +1,3 @@
+// Set up so the declaration in SubHeader.h is not defined.
+#define SYMBOL2 1
+#include "SubHeader.h"
diff --git a/test/modularize/InputProblemsInconsistent/SubHeader.h b/test/modularize/InputProblemsInconsistent/SubHeader.h
new file mode 100644
index 00000000..1395e489
--- /dev/null
+++ b/test/modularize/InputProblemsInconsistent/SubHeader.h
@@ -0,0 +1,11 @@
+// Set up so TypeInt only defined during Header1.h include.
+#ifdef SYMBOL1
+#define SYMBOL 1
+#endif
+#ifdef SYMBOL2
+#define SYMBOL 2
+#endif
+
+#if SYMBOL == 1
+typedef int TypeInt;
+#endif
diff --git a/test/modularize/NoProblems.cpp b/test/modularize/NoProblems.cpp
new file mode 100644
index 00000000..ad0a314f
--- /dev/null
+++ b/test/modularize/NoProblems.cpp
@@ -0,0 +1,5 @@
+# RUN: modularize %s -x c++
+# RUN: modularize -prefix=%p %s -x c++
+
+InputNoProblems/SomeTypes.h
+InputNoProblems/SomeDecls.h
diff --git a/test/modularize/ProblemsDuplicate.cpp b/test/modularize/ProblemsDuplicate.cpp
new file mode 100644
index 00000000..85a29bf4
--- /dev/null
+++ b/test/modularize/ProblemsDuplicate.cpp
@@ -0,0 +1,6 @@
+# RUN: modularize %s -x c++ 2>&1 | FileCheck %s
+
+InputProblemsDuplicate/Header1.h
+InputProblemsDuplicate/Header2.h
+
+# CHECK: error: 'TypeInt' defined at both {{.*}}{{[/\\]}}InputProblemsDuplicate{{[/\\]}}Header1.h:2:13 and {{.*}}{{[/\\]}}InputProblemsDuplicate{{[/\\]}}Header2.h:2:13
diff --git a/test/modularize/ProblemsInconsistent.cpp b/test/modularize/ProblemsInconsistent.cpp
new file mode 100644
index 00000000..d7960141
--- /dev/null
+++ b/test/modularize/ProblemsInconsistent.cpp
@@ -0,0 +1,10 @@
+# RUN: modularize %s -x c++ 2>&1 | FileCheck %s
+
+InputProblemsInconsistent/Header1.h
+InputProblemsInconsistent/Header2.h
+
+# CHECK: error: 'SYMBOL' defined at both {{.*}}{{[/\\]}}InputProblemsInconsistent{{[/\\]}}SubHeader.h:3:9 and {{.*}}{{[/\\]}}InputProblemsInconsistent/SubHeader.h:6:9
+# CHECK-NEXT: error: header '{{.*}}{{[/\\]}}InputProblemsInconsistent{{[/\\]}}SubHeader.h' has different contents dependening on how it was included
+# CHECK-NEXT: note: 'SYMBOL' in {{.*}}{{[/\\]}}InputProblemsInconsistent{{[/\\]}}SubHeader.h at 3:9 not always provided
+# CHECK-NEXT: note: 'SYMBOL' in {{.*}}{{[/\\]}}InputProblemsInconsistent{{[/\\]}}SubHeader.h at 6:9 not always provided
+# CHECK-NEXT: note: 'TypeInt' in {{.*}}{{[/\\]}}InputProblemsInconsistent{{[/\\]}}SubHeader.h at 10:13 not always provided