Make yet another attempt in restoring SymbolFilePDBTests

The original test was passing false to the append argument of
FindTypes (the only use of this feature!). This patch now replicates
that by passing a fresh TypeMap into the function where applicable.

llvm-svn: 373409

Author: adrian-prantl

lldb/unittests/SymbolFile/PDB/SymbolFilePDBTests.cpp

@@ -401,12 +401,14 @@ TEST_F(SymbolFilePDBTests, TestNestedClassTypes) {
   // and one is global. We process correctly this case and create the same
   // compiler type for both, but `FindTypes` may return more than one type
   // (with the same compiler type) because the symbols have different IDs.
+
+  TypeMap more_results;
   auto ClassCompilerDeclCtx = CompilerDeclContext(clang_ast_ctx, ClassDeclCtx);
   symfile->FindTypes(ConstString("NestedClass"), &ClassCompilerDeclCtx, 0,
-                     searched_files, results);
-  EXPECT_LE(1u, results.GetSize());
+                     searched_files, more_results);
+  EXPECT_LE(1u, more_results.GetSize());
 
-  lldb::TypeSP udt_type = results.GetTypeAtIndex(0);
+  lldb::TypeSP udt_type = more_results.GetTypeAtIndex(0);
   EXPECT_EQ(ConstString("NestedClass"), udt_type->GetName());
 
   CompilerType compiler_type = udt_type->GetForwardCompilerType();
@@ -568,19 +570,17 @@ TEST_F(SymbolFilePDBTests, TestMaxMatches) {
   TypeMap results;
   const ConstString name("ClassTypedef");
   symfile->FindTypes(name, nullptr, 0, searched_files, results);
-  // Try to limit ourselves from 1 to 10 results, otherwise we could be doing
-  // this thousands of times.
-  // The idea is just to make sure that for a variety of values, the number of
-  // limited results always
-  // comes out to the number we are expecting.
-  uint32_t iterations = std::min(results.GetSize(), 10u);
+  // Try to limit ourselves from 1 to 10 results, otherwise we could
+  // be doing this thousands of times.  The idea is just to make sure
+  // that for a variety of values, the number of limited results
+  // always comes out to the number we are expecting.
   uint32_t num_results = results.GetSize();
+  uint32_t iterations = std::min(num_results, 10u);
   for (uint32_t i = 1; i <= iterations; ++i) {
-    symfile->FindTypes(name, nullptr, i, searched_files, results);
-    uint32_t num_limited_results = results.GetSize() - num_results;
+    TypeMap more_results;
+    symfile->FindTypes(name, nullptr, i, searched_files, more_results);
+    uint32_t num_limited_results = more_results.GetSize();
     EXPECT_EQ(i, num_limited_results);
-    EXPECT_EQ(num_limited_results, results.GetSize());
-    num_results = num_limited_results;
   }
 }