vendor/clang/clang-release_39-r276489

1 files changed, 492 insertions, 16 deletions

diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index d9a16db74c889..8d46ba6efcfee 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -7,9 +7,14 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "FormatTestUtils.h"
 #include "clang/Format/Format.h"
+
+#include "../Tooling/RewriterTestContext.h"
+#include "FormatTestUtils.h"
+
+#include "clang/Frontend/TextDiagnosticPrinter.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/MemoryBuffer.h"
 #include "gtest/gtest.h"
 
 #define DEBUG_TYPE "format-test"
@@ -42,10 +47,10 @@ protected:
       EXPECT_EQ(ExpectedIncompleteFormat, IncompleteFormat) << Code << "\n\n";
     }
     ReplacementCount = Replaces.size();
-    std::string Result = applyAllReplacements(Code, Replaces);
-    EXPECT_NE("", Result);
-    DEBUG(llvm::errs() << "\n" << Result << "\n\n");
-    return Result;
+    auto Result = applyAllReplacements(Code, Replaces);
+    EXPECT_TRUE(static_cast<bool>(Result));
+    DEBUG(llvm::errs() << "\n" << *Result << "\n\n");
+    return *Result;
   }
 
   FormatStyle getLLVMStyleWithColumns(unsigned ColumnLimit) {
@@ -291,11 +296,23 @@ TEST_F(FormatTest, FormatIfWithoutCompoundStatement) {
   verifyFormat("if (a)\n  if (b) {\n    f();\n  }\ng();");
 
   FormatStyle AllowsMergedIf = getLLVMStyle();
+  AllowsMergedIf.AlignEscapedNewlinesLeft = true;
   AllowsMergedIf.AllowShortIfStatementsOnASingleLine = true;
   verifyFormat("if (a)\n"
                "  // comment\n"
                "  f();",
                AllowsMergedIf);
+  verifyFormat("{\n"
+               "  if (a)\n"
+               "  label:\n"
+               "    f();\n"
+               "}",
+               AllowsMergedIf);
+  verifyFormat("#define A \\\n"
+               "  if (a)  \\\n"
+               "  label:  \\\n"
+               "    f()",
+               AllowsMergedIf);
   verifyFormat("if (a)\n"
                "  ;",
                AllowsMergedIf);
@@ -738,6 +755,7 @@ TEST_F(FormatTest, CaseRanges) {
   verifyFormat("switch (x) {\n"
                "case 'A' ... 'Z':\n"
                "case 1 ... 5:\n"
+               "case a ... b:\n"
                "  break;\n"
                "}");
 }
@@ -962,6 +980,14 @@ TEST_F(FormatTest, UnderstandsSingleLineComments) {
                    "// at start\n"
                    "otherLine();"));
   EXPECT_EQ("lineWith(); // comment\n"
+            "/*\n"
+            " * at start */\n"
+            "otherLine();",
+            format("lineWith();   // comment\n"
+                   "/*\n"
+                   " * at start */\n"
+                   "otherLine();"));
+  EXPECT_EQ("lineWith(); // comment\n"
             "            // at start\n"
             "otherLine();",
             format("lineWith();   // comment\n"
@@ -1097,7 +1123,7 @@ TEST_F(FormatTest, RemovesTrailingWhitespaceOfComments) {
 
 TEST_F(FormatTest, UnderstandsBlockComments) {
   verifyFormat("f(/*noSpaceAfterParameterNamingComment=*/true);");
-  verifyFormat("void f() { g(/*aaa=*/x, /*bbb=*/!y); }");
+  verifyFormat("void f() { g(/*aaa=*/x, /*bbb=*/!y, /*c=*/::c); }");
   EXPECT_EQ("f(aaaaaaaaaaaaaaaaaaaaaaaaa, /* Trailing comment for aa... */\n"
             "  bbbbbbbbbbbbbbbbbbbbbbbbb);",
             format("f(aaaaaaaaaaaaaaaaaaaaaaaaa ,   \\\n"
@@ -1117,6 +1143,8 @@ TEST_F(FormatTest, UnderstandsBlockComments) {
              "                      aaaaaaaaaaaaaaaaaa  ,\n"
              "    aaaaaaaaaaaaaaaaaa) {   /*aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa*/\n"
              "}"));
+  verifyFormat("f(/* aaaaaaaaaaaaaaaaaa = */\n"
+               "  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 
   FormatStyle NoBinPacking = getLLVMStyle();
   NoBinPacking.BinPackParameters = false;
@@ -2741,6 +2769,12 @@ TEST_F(FormatTest, MacroDefinitionsWithIncompleteCode) {
                "  case 1:          \\\n"
                "  case 2\n",
                getLLVMStyleWithColumns(20));
+  verifyFormat("#define MACRO(a) \\\n"
+               "  if (a)         \\\n"
+               "    f();         \\\n"
+               "  else           \\\n"
+               "    g()",
+               getLLVMStyleWithColumns(18));
   verifyFormat("#define A template <typename T>");
   verifyIncompleteFormat("#define STR(x) #x\n"
                          "f(STR(this_is_a_string_literal{));");
@@ -3842,6 +3876,11 @@ TEST_F(FormatTest, BreaksFunctionDeclarations) {
       "typename aaaaaaaaaa<aaaaaa>::aaaaaaaaaaa\n"
       "aaaaaaaaaa<aaaaaa>::aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
       "    bool *aaaaaaaaaaaaaaaaaa, bool *aa) {}");
+  verifyGoogleFormat(
+      "template <typename T>\n"
+      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
+      "aaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaaaaaaaa(\n"
+      "    aaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaa);");
 
   FormatStyle Style = getLLVMStyle();
   Style.PointerAlignment = FormatStyle::PAS_Left;
@@ -3979,6 +4018,12 @@ TEST_F(FormatTest, FunctionAnnotations) {
                "                << bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
   verifyFormat("TEST_F(ThisIsATestFixtureeeeeeeeeeeee,\n"
                "       ThisIsATestWithAReallyReallyReallyReallyLongName) {}");
+  verifyFormat("MACRO(abc).function() // wrap\n"
+               "    << abc;");
+  verifyFormat("MACRO(abc)->function() // wrap\n"
+               "    << abc;");
+  verifyFormat("MACRO(abc)::function() // wrap\n"
+               "    << abc;");
 }
 
 TEST_F(FormatTest, BreaksDesireably) {
@@ -4426,6 +4471,11 @@ TEST_F(FormatTest, AlignsAfterOpenBracket) {
       "    aaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa));",
       Style);
 
+  verifyFormat("bbbbbbbbbbbb(aaaaaaaaaaaaaaaaaaaaaaaa, //\n"
+               "    ccccccc(aaaaaaaaaaaaaaaaa,         //\n"
+               "        b));",
+               Style);
+
   Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak;
   Style.BinPackArguments = false;
   Style.BinPackParameters = false;
@@ -4439,12 +4489,31 @@ TEST_F(FormatTest, AlignsAfterOpenBracket) {
                "    aaaaaaaaaaa aaaaaaaaa,\n"
                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);",
                Style);
-  verifyFormat("SomeLongVariableName->someFunction(\n"
-               "    foooooooo(\n"
-               "        aaaaaaaaaaaaaaa,\n"
-               "        aaaaaaaaaaaaaaaaaaaaa,\n"
-               "        aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa));",
+  verifyFormat("SomeLongVariableName->someFunction(foooooooo(\n"
+               "    aaaaaaaaaaaaaaa,\n"
+               "    aaaaaaaaaaaaaaaaaaaaa,\n"
+               "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa));",
                Style);
+  verifyFormat(
+      "aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa(\n"
+      "    aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa)));",
+      Style);
+  verifyFormat(
+      "aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaa.aaaaaaaaaa(\n"
+      "    aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa)));",
+      Style);
+  verifyFormat(
+      "aaaaaaaaaaaaaaaaaaaaaaaa(\n"
+      "    aaaaaaaaaaaaaaaaaaaaa(\n"
+      "        aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa)),\n"
+      "    aaaaaaaaaaaaaaaa);",
+      Style);
+  verifyFormat(
+      "aaaaaaaaaaaaaaaaaaaaaaaa(\n"
+      "    aaaaaaaaaaaaaaaaaaaaa(\n"
+      "        aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa)) &&\n"
+      "    aaaaaaaaaaaaaaaa);",
+      Style);
 }
 
 TEST_F(FormatTest, ParenthesesAndOperandAlignment) {
@@ -4686,6 +4755,14 @@ TEST_F(FormatTest, BreaksConditionalExpressionsAfterOperator) {
                "                       ccccccccccccccc :\n"
                "                       ddddddddddddddd);",
                Style);
+  verifyFormat("int i = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ?\n"
+               "            /*bbbbbbbbbbbbbbb=*/bbbbbbbbbbbbbbbbbbbbbbbbb :\n"
+               "            ccccccccccccccccccccccccccc;",
+               Style);
+  verifyFormat("return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ?\n"
+               "           aaaaa :\n"
+               "           bbbbbbbbbbbbbbb + cccccccccccccccc;",
+               Style);
 }
 
 TEST_F(FormatTest, DeclarationsOfMultipleVariables) {
@@ -5083,6 +5160,13 @@ TEST_F(FormatTest, AlignsPipes) {
                "    << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
   verifyFormat("SemaRef.Diag(Loc, diag::note_for_range_begin_end)\n"
                "    << BEF << IsTemplate << Description << E->getType();");
+  verifyFormat("Diag(aaaaaaaaaaaaaaaaaaaa, aaaaaaaa)\n"
+               "    << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
+               "           aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
+  verifyFormat("Diag(aaaaaaaaaaaaaaaaaaaa, aaaaaaaa)\n"
+               "    << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
+               "           aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
+               "    << aaa;");
 
   verifyFormat(
       "llvm::errs() << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
@@ -5306,6 +5390,10 @@ TEST_F(FormatTest, WrapsTemplateDeclarations) {
   verifyFormat("template <typename T> // T can be A, B or C.\n"
                "struct C {};",
                AlwaysBreak);
+  verifyFormat("template <enum E> class A {\n"
+               "public:\n"
+               "  E *f();\n"
+               "};");
 }
 
 TEST_F(FormatTest, WrapsAtNestedNameSpecifiers) {
@@ -5382,6 +5470,10 @@ TEST_F(FormatTest, UnderstandsTemplateParameters) {
   verifyFormat("struct A<std::enable_if<sizeof(T2) ? sizeof(int32) : "
                "sizeof(char)>::type>;");
   verifyFormat("template <class T> struct S<std::is_arithmetic<T>{}> {};");
+  verifyFormat("f(a.operator()<A>());");
+  verifyFormat("f(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
+               "      .template operator()<A>());",
+               getLLVMStyleWithColumns(35));
 
   // Not template parameters.
   verifyFormat("return a < b && c > d;");
@@ -5402,6 +5494,7 @@ TEST_F(FormatTest, UnderstandsTemplateParameters) {
 
 TEST_F(FormatTest, UnderstandsBinaryOperators) {
   verifyFormat("COMPARE(a, ==, b);");
+  verifyFormat("auto s = sizeof...(Ts) - 1;");
 }
 
 TEST_F(FormatTest, UnderstandsPointersToMembers) {
@@ -5534,14 +5627,21 @@ TEST_F(FormatTest, UnderstandsFunctionRefQualification) {
   verifyFormat("SomeType MemberFunction(const Deleted &) && {}");
   verifyFormat("SomeType MemberFunction(const Deleted &) && final {}");
   verifyFormat("SomeType MemberFunction(const Deleted &) && override {}");
+  verifyFormat("SomeType MemberFunction(const Deleted &) const &;");
 
   FormatStyle AlignLeft = getLLVMStyle();
   AlignLeft.PointerAlignment = FormatStyle::PAS_Left;
+  verifyFormat("void A::b() && {}", AlignLeft);
   verifyFormat("Deleted& operator=(const Deleted&) & = default;", AlignLeft);
   verifyFormat("SomeType MemberFunction(const Deleted&) & = delete;",
                AlignLeft);
   verifyFormat("Deleted& operator=(const Deleted&) &;", AlignLeft);
   verifyFormat("SomeType MemberFunction(const Deleted&) &;", AlignLeft);
+  verifyFormat("auto Function(T t) & -> void {}", AlignLeft);
+  verifyFormat("auto Function(T... t) & -> void {}", AlignLeft);
+  verifyFormat("auto Function(T) & -> void {}", AlignLeft);
+  verifyFormat("auto Function(T) & -> void;", AlignLeft);
+  verifyFormat("SomeType MemberFunction(const Deleted&) const &;", AlignLeft);
 
   FormatStyle Spaces = getLLVMStyle();
   Spaces.SpacesInCStyleCastParentheses = true;
@@ -5626,6 +5726,7 @@ TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) {
   verifyFormat("[](const decltype(*a) &value) {}");
   verifyFormat("decltype(a * b) F();");
   verifyFormat("#define MACRO() [](A *a) { return 1; }");
+  verifyFormat("Constructor() : member([](A *a, B *b) {}) {}");
   verifyIndependentOfContext("typedef void (*f)(int *a);");
   verifyIndependentOfContext("int i{a * b};");
   verifyIndependentOfContext("aaa && aaa->f();");
@@ -5654,6 +5755,7 @@ TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) {
       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
       "    aaaaaaaaaaaaaaaaaaaaaaaaaaaa, *aaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
 
+  verifyGoogleFormat("int const* a = &b;");
   verifyGoogleFormat("**outparam = 1;");
   verifyGoogleFormat("*outparam = a * b;");
   verifyGoogleFormat("int main(int argc, char** argv) {}");
@@ -5922,6 +6024,7 @@ TEST_F(FormatTest, FormatsCasts) {
   verifyFormat("my_int a = (my_int)(my_int)-1;");
   verifyFormat("my_int a = (ns::my_int)-2;");
   verifyFormat("case (my_int)ONE:");
+  verifyFormat("auto x = (X)this;");
 
   // FIXME: single value wrapped with paren will be treated as cast.
   verifyFormat("void f(int i = (kValue)*kMask) {}");
@@ -5995,6 +6098,7 @@ TEST_F(FormatTest, FormatsFunctionTypes) {
   verifyFormat("some_var = function(*some_pointer_var)[0];");
   verifyFormat("void f() { function(*some_pointer_var)[0] = 10; }");
   verifyFormat("int x = f(&h)();");
+  verifyFormat("returnsFunction(&param1, &param2)(param);");
 }
 
 TEST_F(FormatTest, FormatsPointersToArrayTypes) {
@@ -6038,6 +6142,10 @@ TEST_F(FormatTest, BreaksLongDeclarations) {
                "LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}");
   verifyFormat("decltype(LoooooooooooooooooooooooooooooooooooooooongName)\n"
                "LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}");
+  verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n"
+               "LooooooooooooooooooooooooooongFunctionDeclaration(T... t);");
+  verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n"
+               "LooooooooooooooooooooooooooongFunctionDeclaration(T /*t*/) {}");
   FormatStyle Indented = getLLVMStyle();
   Indented.IndentWrappedFunctionNames = true;
   verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n"
@@ -6126,6 +6234,8 @@ TEST_F(FormatTest, FormatsArrays) {
       "llvm::outs() << \"aaaaaaaaaaaa: \"\n"
       "             << (*aaaaaaaiaaaaaaa)[aaaaaaaaaaaaaaaaaaaaaaaaa]\n"
       "                                  [aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa];");
+  verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa[aaaaaaaaaaaaaaaaa][a]\n"
+               "    .aaaaaaaaaaaaaaaaaaaaaa();");
 
   verifyGoogleFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<int>\n"
                      "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa[aaaaaaaaaaaa];");
@@ -6133,6 +6243,7 @@ TEST_F(FormatTest, FormatsArrays) {
       "aaaaaaaaaaa aaaaaaaaaaaaaaa = aaaaaaaaaaaaaaaaaaaaaaaaaa->aaaaaaaaa[0]\n"
       "                                  .aaaaaaa[0]\n"
       "                                  .aaaaaaaaaaaaaaaaaaaaaa();");
+  verifyFormat("a[::b::c];");
 
   verifyNoCrash("a[,Y?)]", getLLVMStyleWithColumns(10));
 
@@ -6607,7 +6718,7 @@ TEST_F(FormatTest, FormatsBracedListsInColumnLayout) {
                "                   bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb};");
 
   verifyNoCrash("a<,");
-  
+
   // No braced initializer here.
   verifyFormat("void f() {\n"
                "  struct Dummy {};\n"
@@ -6918,6 +7029,14 @@ TEST_F(FormatTest, BlockComments) {
                    "* aaaaaa aaaaaa\n"
                    "*/",
                    getLLVMStyleWithColumns(10)));
+  EXPECT_EQ("int aaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
+            "    /* line 1\n"
+            "       bbbbbbbbbbbb */\n"
+            "    bbbbbbbbbbbbbbbbbbbbbbbbbbbb;",
+            format("int aaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
+                   "    /* line 1\n"
+                   "       bbbbbbbbbbbb */ bbbbbbbbbbbbbbbbbbbbbbbbbbbb;",
+            getLLVMStyleWithColumns(50)));
 
   FormatStyle NoBinPacking = getLLVMStyle();
   NoBinPacking.BinPackParameters = false;
@@ -7026,10 +7145,9 @@ TEST_F(FormatTest, BlockCommentsAtEndOfLine) {
 }
 
 TEST_F(FormatTest, IndentLineCommentsInStartOfBlockAtEndOfFile) {
-  // FIXME: This is not what we want...
   verifyFormat("{\n"
-               "// a"
-               "// b");
+               "  // a\n"
+               "  // b");
 }
 
 TEST_F(FormatTest, FormatStarDependingOnContext) {
@@ -7949,6 +8067,10 @@ TEST_F(FormatTest, BreaksStringLiterals) {
                    "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"});",
                    getGoogleStyle()));
 
+  FormatStyle Style = getLLVMStyleWithColumns(12);
+  Style.BreakStringLiterals = false;
+  EXPECT_EQ("\"some text other\";", format("\"some text other\";", Style));
+
   FormatStyle AlignLeft = getLLVMStyleWithColumns(12);
   AlignLeft.AlignEscapedNewlinesLeft = true;
   EXPECT_EQ("#define A \\\n"
@@ -8484,6 +8606,230 @@ TEST_F(FormatTest, ConfigurableUseOfTab) {
                    "\t */\n"
                    "\t int i;\n"
                    "}"));
+
+  Tab.UseTab = FormatStyle::UT_ForContinuationAndIndentation;
+  Tab.TabWidth = 8;
+  Tab.IndentWidth = 8;
+  EXPECT_EQ("if (aaaaaaaa && // q\n"
+            "    bb)         // w\n"
+            "\t;",
+            format("if (aaaaaaaa &&// q\n"
+                   "bb)// w\n"
+                   ";",
+                   Tab));
+  EXPECT_EQ("if (aaa && bbb) // w\n"
+            "\t;",
+            format("if(aaa&&bbb)// w\n"
+                   ";",
+                   Tab));
+  verifyFormat("class X {\n"
+               "\tvoid f() {\n"
+               "\t\tsomeFunction(parameter1,\n"
+               "\t\t\t     parameter2);\n"
+               "\t}\n"
+               "};",
+               Tab);
+  verifyFormat("#define A                        \\\n"
+               "\tvoid f() {               \\\n"
+               "\t\tsomeFunction(    \\\n"
+               "\t\t    parameter1,  \\\n"
+               "\t\t    parameter2); \\\n"
+               "\t}",
+               Tab);
+  Tab.TabWidth = 4;
+  Tab.IndentWidth = 8;
+  verifyFormat("class TabWidth4Indent8 {\n"
+               "\t\tvoid f() {\n"
+               "\t\t\t\tsomeFunction(parameter1,\n"
+               "\t\t\t\t\t\t\t parameter2);\n"
+               "\t\t}\n"
+               "};",
+               Tab);
+  Tab.TabWidth = 4;
+  Tab.IndentWidth = 4;
+  verifyFormat("class TabWidth4Indent4 {\n"
+               "\tvoid f() {\n"
+               "\t\tsomeFunction(parameter1,\n"
+               "\t\t\t\t\t parameter2);\n"
+               "\t}\n"
+               "};",
+               Tab);
+  Tab.TabWidth = 8;
+  Tab.IndentWidth = 4;
+  verifyFormat("class TabWidth8Indent4 {\n"
+               "    void f() {\n"
+               "\tsomeFunction(parameter1,\n"
+               "\t\t     parameter2);\n"
+               "    }\n"
+               "};",
+               Tab);
+  Tab.TabWidth = 8;
+  Tab.IndentWidth = 8;
+  EXPECT_EQ("/*\n"
+            "\t      a\t\tcomment\n"
+            "\t      in multiple lines\n"
+            "       */",
+            format("   /*\t \t \n"
+                   " \t \t a\t\tcomment\t \t\n"
+                   " \t \t in multiple lines\t\n"
+                   " \t  */",
+                   Tab));
+  verifyFormat("{\n"
+               "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n"
+               "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n"
+               "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n"
+               "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n"
+               "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n"
+               "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n"
+               "};",
+               Tab);
+  verifyFormat("enum AA {\n"
+               "\ta1, // Force multiple lines\n"
+               "\ta2,\n"
+               "\ta3\n"
+               "};",
+               Tab);
+  EXPECT_EQ("if (aaaaaaaa && // q\n"
+            "    bb)         // w\n"
+            "\t;",
+            format("if (aaaaaaaa &&// q\n"
+                   "bb)// w\n"
+                   ";",
+                   Tab));
+  verifyFormat("class X {\n"
+               "\tvoid f() {\n"
+               "\t\tsomeFunction(parameter1,\n"
+               "\t\t\t     parameter2);\n"
+               "\t}\n"
+               "};",
+               Tab);
+  verifyFormat("{\n"
+               "\tQ(\n"
+               "\t    {\n"
+               "\t\t    int a;\n"
+               "\t\t    someFunction(aaaaaaaa,\n"
+               "\t\t\t\t bbbbbbb);\n"
+               "\t    },\n"
+               "\t    p);\n"
+               "}",
+               Tab);
+  EXPECT_EQ("{\n"
+            "\t/* aaaa\n"
+            "\t   bbbb */\n"
+            "}",
+            format("{\n"
+                   "/* aaaa\n"
+                   "   bbbb */\n"
+                   "}",
+                   Tab));
+  EXPECT_EQ("{\n"
+            "\t/*\n"
+            "\t  aaaaaaaaaaaaaaaaaaaaaaaaaa\n"
+            "\t  bbbbbbbbbbbbb\n"
+            "\t*/\n"
+            "}",
+            format("{\n"
+                   "/*\n"
+                   "  aaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbb\n"
+                   "*/\n"
+                   "}",
+                   Tab));
+  EXPECT_EQ("{\n"
+            "\t// aaaaaaaaaaaaaaaaaaaaaaaaaa\n"
+            "\t// bbbbbbbbbbbbb\n"
+            "}",
+            format("{\n"
+                   "\t// aaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbb\n"
+                   "}",
+                   Tab));
+  EXPECT_EQ("{\n"
+            "\t/*\n"
+            "\t  aaaaaaaaaaaaaaaaaaaaaaaaaa\n"
+            "\t  bbbbbbbbbbbbb\n"
+            "\t*/\n"
+            "}",
+            format("{\n"
+                   "\t/*\n"
+                   "\t  aaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbb\n"
+                   "\t*/\n"
+                   "}",
+                   Tab));
+  EXPECT_EQ("{\n"
+            "\t/*\n"
+            "\n"
+            "\t*/\n"
+            "}",
+            format("{\n"
+                   "\t/*\n"
+                   "\n"
+                   "\t*/\n"
+                   "}",
+                   Tab));
+  EXPECT_EQ("{\n"
+            "\t/*\n"
+            " asdf\n"
+            "\t*/\n"
+            "}",
+            format("{\n"
+                   "\t/*\n"
+                   " asdf\n"
+                   "\t*/\n"
+                   "}",
+                   Tab));
+  EXPECT_EQ("/*\n"
+            "\t      a\t\tcomment\n"
+            "\t      in multiple lines\n"
+            "       */",
+            format("   /*\t \t \n"
+                   " \t \t a\t\tcomment\t \t\n"
+                   " \t \t in multiple lines\t\n"
+                   " \t  */",
+                   Tab));
+  EXPECT_EQ("/* some\n"
+            "   comment */",
+            format(" \t \t /* some\n"
+                   " \t \t    comment */",
+                   Tab));
+  EXPECT_EQ("int a; /* some\n"
+            "   comment */",
+            format(" \t \t int a; /* some\n"
+                   " \t \t    comment */",
+                   Tab));
+  EXPECT_EQ("int a; /* some\n"
+            "comment */",
+            format(" \t \t int\ta; /* some\n"
+                   " \t \t    comment */",
+                   Tab));
+  EXPECT_EQ("f(\"\t\t\"); /* some\n"
+            "    comment */",
+            format(" \t \t f(\"\t\t\"); /* some\n"
+                   " \t \t    comment */",
+                   Tab));
+  EXPECT_EQ("{\n"
+            "  /*\n"
+            "   * Comment\n"
+            "   */\n"
+            "  int i;\n"
+            "}",
+            format("{\n"
+                   "\t/*\n"
+                   "\t * Comment\n"
+                   "\t */\n"
+                   "\t int i;\n"
+                   "}"));
+  Tab.AlignConsecutiveAssignments = true;
+  Tab.AlignConsecutiveDeclarations = true;
+  Tab.TabWidth = 4;
+  Tab.IndentWidth = 4;
+  verifyFormat("class Assign {\n"
+               "\tvoid f() {\n"
+               "\t\tint         x      = 123;\n"
+               "\t\tint         random = 4;\n"
+               "\t\tstd::string alphabet =\n"
+               "\t\t\t\"abcdefghijklmnopqrstuvwxyz\";\n"
+               "\t}\n"
+               "};",
+               Tab);
 }
 
 TEST_F(FormatTest, CalculatesOriginalColumn) {
@@ -8644,7 +8990,8 @@ TEST_F(FormatTest, ConfigurableSpacesInParentheses) {
   verifyFormat("#define x (( int )-1)", Spaces);
 
   // Run the first set of tests again with:
-  Spaces.SpacesInParentheses = false, Spaces.SpaceInEmptyParentheses = true;
+  Spaces.SpacesInParentheses = false;
+  Spaces.SpaceInEmptyParentheses = true;
   Spaces.SpacesInCStyleCastParentheses = true;
   verifyFormat("call(x, y, z);", Spaces);
   verifyFormat("call( );", Spaces);
@@ -9814,8 +10161,10 @@ TEST_F(FormatTest, ParsesConfigurationBools) {
   CHECK_PARSE_BOOL(AlwaysBreakTemplateDeclarations);
   CHECK_PARSE_BOOL(BinPackArguments);
   CHECK_PARSE_BOOL(BinPackParameters);
+  CHECK_PARSE_BOOL(BreakAfterJavaFieldAnnotations);
   CHECK_PARSE_BOOL(BreakBeforeTernaryOperators);
   CHECK_PARSE_BOOL(BreakConstructorInitializersBeforeComma);
+  CHECK_PARSE_BOOL(BreakStringLiterals);
   CHECK_PARSE_BOOL(ConstructorInitializerAllOnOneLineOrOnePerLine);
   CHECK_PARSE_BOOL(DerivePointerAlignment);
   CHECK_PARSE_BOOL_FIELD(DerivePointerAlignment, "DerivePointerBinding");
@@ -9870,6 +10219,7 @@ TEST_F(FormatTest, ParsesConfiguration) {
               SpacesBeforeTrailingComments, 1234u);
   CHECK_PARSE("IndentWidth: 32", IndentWidth, 32u);
   CHECK_PARSE("ContinuationIndentWidth: 11", ContinuationIndentWidth, 11u);
+  CHECK_PARSE("CommentPragmas: '// abc$'", CommentPragmas, "// abc$");
 
   Style.PointerAlignment = FormatStyle::PAS_Middle;
   CHECK_PARSE("PointerAlignment: Left", PointerAlignment,
@@ -9923,6 +10273,8 @@ TEST_F(FormatTest, ParsesConfiguration) {
   CHECK_PARSE("UseTab: Never", UseTab, FormatStyle::UT_Never);
   CHECK_PARSE("UseTab: ForIndentation", UseTab, FormatStyle::UT_ForIndentation);
   CHECK_PARSE("UseTab: Always", UseTab, FormatStyle::UT_Always);
+  CHECK_PARSE("UseTab: ForContinuationAndIndentation", UseTab,
+              FormatStyle::UT_ForContinuationAndIndentation);
   // For backward compatibility:
   CHECK_PARSE("UseTab: false", UseTab, FormatStyle::UT_Never);
   CHECK_PARSE("UseTab: true", UseTab, FormatStyle::UT_Always);
@@ -10028,6 +10380,7 @@ TEST_F(FormatTest, ParsesConfiguration) {
               "  - Regex: .*\n"
               "    Priority: 1",
               IncludeCategories, ExpectedCategories);
+  CHECK_PARSE("IncludeIsMainRegex: 'abc$'", IncludeIsMainRegex, "abc$");
 }
 
 TEST_F(FormatTest, ParsesConfigurationWithLanguages) {
@@ -10309,6 +10662,15 @@ TEST_F(FormatTest, ConstructorInitializerIndentWidth) {
       ": aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n"
       "  aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}",
       Style);
+  Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak;
+  verifyFormat(
+      "SomeLongTemplateVariableName<\n"
+      "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>",
+      Style);
+  verifyFormat(
+      "bool smaller = 1 < bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(\n"
+      "                       aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);",
+      Style);
 }
 
 TEST_F(FormatTest, BreakConstructorInitializersBeforeComma) {
@@ -10328,6 +10690,9 @@ TEST_F(FormatTest, BreakConstructorInitializersBeforeComma) {
   verifyFormat("SomeClass::Constructor()\n"
                "    : a(a) {}",
                Style);
+  verifyFormat("SomeClass::Constructor() noexcept\n"
+               "    : a(a) {}",
+               Style);
   verifyFormat("SomeClass::Constructor()\n"
                "    : a(a)\n"
                "    , b(b)\n"
@@ -10637,6 +11002,10 @@ TEST_F(FormatTest, FormatsLambdas) {
       "      return aaaaaaaaaaaaaaaaa;\n"
       "    });",
       getLLVMStyleWithColumns(70));
+  verifyFormat("[]() //\n"
+               "    -> int {\n"
+               "  return 1; //\n"
+               "};");
 
   // Multiple lambdas in the same parentheses change indentation rules.
   verifyFormat("SomeFunction(\n"
@@ -11114,6 +11483,113 @@ TEST_F(FormatTest, FormatsTableGenCode) {
   verifyFormat("include \"a.td\"\ninclude \"b.td\"", Style);
 }
 
+// Since this test case uses UNIX-style file path. We disable it for MS
+// compiler.
+#if !defined(_MSC_VER) && !defined(__MINGW32__)
+
+TEST(FormatStyle, GetStyleOfFile) {
+  vfs::InMemoryFileSystem FS;
+  // Test 1: format file in the same directory.
+  ASSERT_TRUE(
+      FS.addFile("/a/.clang-format", 0,
+                 llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM")));
+  ASSERT_TRUE(
+      FS.addFile("/a/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
+  auto Style1 = getStyle("file", "/a/.clang-format", "Google", &FS);
+  ASSERT_EQ(Style1, getLLVMStyle());
+
+  // Test 2: fallback to default.
+  ASSERT_TRUE(
+      FS.addFile("/b/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
+  auto Style2 = getStyle("file", "/b/test.cpp", "Mozilla", &FS);
+  ASSERT_EQ(Style2, getMozillaStyle());
+
+  // Test 3: format file in parent directory.
+  ASSERT_TRUE(
+      FS.addFile("/c/.clang-format", 0,
+                 llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
+  ASSERT_TRUE(FS.addFile("/c/sub/sub/sub/test.cpp", 0,
+                         llvm::MemoryBuffer::getMemBuffer("int i;")));
+  auto Style3 = getStyle("file", "/c/sub/sub/sub/test.cpp", "LLVM", &FS);
+  ASSERT_EQ(Style3, getGoogleStyle());
+}
+
+#endif // _MSC_VER
+
+class ReplacementTest : public ::testing::Test {
+protected:
+  tooling::Replacement createReplacement(SourceLocation Start, unsigned Length,
+                                         llvm::StringRef ReplacementText) {
+    return tooling::Replacement(Context.Sources, Start, Length,
+                                ReplacementText);
+  }
+
+  RewriterTestContext Context;
+};
+
+TEST_F(ReplacementTest, FormatCodeAfterReplacements) {
+  // Column limit is 20.
+  std::string Code = "Type *a =\n"
+                     "    new Type();\n"
+                     "g(iiiii, 0, jjjjj,\n"
+                     "  0, kkkkk, 0, mm);\n"
+                     "int  bad     = format   ;";
+  std::string Expected = "auto a = new Type();\n"
+                         "g(iiiii, nullptr,\n"
+                         "  jjjjj, nullptr,\n"
+                         "  kkkkk, nullptr,\n"
+                         "  mm);\n"
+                         "int  bad     = format   ;";
+  FileID ID = Context.createInMemoryFile("format.cpp", Code);
+  tooling::Replacements Replaces;
+  Replaces.insert(tooling::Replacement(
+      Context.Sources, Context.getLocation(ID, 1, 1), 6, "auto "));
+  Replaces.insert(tooling::Replacement(
+      Context.Sources, Context.getLocation(ID, 3, 10), 1, "nullptr"));
+  Replaces.insert(tooling::Replacement(
+      Context.Sources, Context.getLocation(ID, 4, 3), 1, "nullptr"));
+  Replaces.insert(tooling::Replacement(
+      Context.Sources, Context.getLocation(ID, 4, 13), 1, "nullptr"));
+
+  format::FormatStyle Style = format::getLLVMStyle();
+  Style.ColumnLimit = 20; // Set column limit to 20 to increase readibility.
+  auto FormattedReplaces = formatReplacements(Code, Replaces, Style);
+  EXPECT_TRUE(static_cast<bool>(FormattedReplaces))
+      << llvm::toString(FormattedReplaces.takeError()) << "\n";
+  auto Result = applyAllReplacements(Code, *FormattedReplaces);
+  EXPECT_TRUE(static_cast<bool>(Result));
+  EXPECT_EQ(Expected, *Result);
+}
+
+TEST_F(ReplacementTest, SortIncludesAfterReplacement) {
+  std::string Code = "#include \"a.h\"\n"
+                     "#include \"c.h\"\n"
+                     "\n"
+                     "int main() {\n"
+                     "  return 0;\n"
+                     "}";
+  std::string Expected = "#include \"a.h\"\n"
+                         "#include \"b.h\"\n"
+                         "#include \"c.h\"\n"
+                         "\n"
+                         "int main() {\n"
+                         "  return 0;\n"
+                         "}";
+  FileID ID = Context.createInMemoryFile("fix.cpp", Code);
+  tooling::Replacements Replaces;
+  Replaces.insert(tooling::Replacement(
+      Context.Sources, Context.getLocation(ID, 1, 1), 0, "#include \"b.h\"\n"));
+
+  format::FormatStyle Style = format::getLLVMStyle();
+  Style.SortIncludes = true;
+  auto FormattedReplaces = formatReplacements(Code, Replaces, Style);
+  EXPECT_TRUE(static_cast<bool>(FormattedReplaces))
+      << llvm::toString(FormattedReplaces.takeError()) << "\n";
+  auto Result = applyAllReplacements(Code, *FormattedReplaces);
+  EXPECT_TRUE(static_cast<bool>(Result));
+  EXPECT_EQ(Expected, *Result);
+}
+
 } // end namespace
 } // end namespace format
 } // end namespace clang