summaryrefslogtreecommitdiffstats
path: root/gnu/llvm/clang/unittests/Tooling/FixItTest.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/llvm/clang/unittests/Tooling/FixItTest.cpp')
-rw-r--r--gnu/llvm/clang/unittests/Tooling/FixItTest.cpp231
1 files changed, 231 insertions, 0 deletions
diff --git a/gnu/llvm/clang/unittests/Tooling/FixItTest.cpp b/gnu/llvm/clang/unittests/Tooling/FixItTest.cpp
new file mode 100644
index 00000000000..ec9801d3455
--- /dev/null
+++ b/gnu/llvm/clang/unittests/Tooling/FixItTest.cpp
@@ -0,0 +1,231 @@
+//===- unittest/Tooling/FixitTest.cpp ------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "TestVisitor.h"
+#include "clang/Basic/Diagnostic.h"
+#include "clang/Tooling/FixIt.h"
+
+using namespace clang;
+
+using tooling::fixit::getText;
+using tooling::fixit::createRemoval;
+using tooling::fixit::createReplacement;
+
+namespace {
+
+struct CallsVisitor : TestVisitor<CallsVisitor> {
+ bool VisitCallExpr(CallExpr *Expr) {
+ OnCall(Expr, Context);
+ return true;
+ }
+
+ std::function<void(CallExpr *, ASTContext *Context)> OnCall;
+};
+
+std::string LocationToString(SourceLocation Loc, ASTContext *Context) {
+ return Loc.printToString(Context->getSourceManager());
+}
+
+TEST(FixItTest, getText) {
+ CallsVisitor Visitor;
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ EXPECT_EQ("foo(x, y)", getText(*CE, *Context));
+ EXPECT_EQ("foo(x, y)", getText(CE->getSourceRange(), *Context));
+
+ Expr *P0 = CE->getArg(0);
+ Expr *P1 = CE->getArg(1);
+ EXPECT_EQ("x", getText(*P0, *Context));
+ EXPECT_EQ("y", getText(*P1, *Context));
+ };
+ Visitor.runOver("void foo(int x, int y) { foo(x, y); }");
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ EXPECT_EQ("APPLY(foo, x, y)", getText(*CE, *Context));
+ };
+ Visitor.runOver("#define APPLY(f, x, y) f(x, y)\n"
+ "void foo(int x, int y) { APPLY(foo, x, y); }");
+}
+
+TEST(FixItTest, getTextWithMacro) {
+ CallsVisitor Visitor;
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ EXPECT_EQ("F OO", getText(*CE, *Context));
+ Expr *P0 = CE->getArg(0);
+ Expr *P1 = CE->getArg(1);
+ EXPECT_EQ("", getText(*P0, *Context));
+ EXPECT_EQ("", getText(*P1, *Context));
+ };
+ Visitor.runOver("#define F foo(\n"
+ "#define OO x, y)\n"
+ "void foo(int x, int y) { F OO ; }");
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ EXPECT_EQ("", getText(*CE, *Context));
+ Expr *P0 = CE->getArg(0);
+ Expr *P1 = CE->getArg(1);
+ EXPECT_EQ("x", getText(*P0, *Context));
+ EXPECT_EQ("y", getText(*P1, *Context));
+ };
+ Visitor.runOver("#define FOO(x, y) (void)x; (void)y; foo(x, y);\n"
+ "void foo(int x, int y) { FOO(x,y) }");
+}
+
+TEST(FixItTest, createRemoval) {
+ CallsVisitor Visitor;
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ FixItHint Hint = createRemoval(*CE);
+ EXPECT_EQ("foo(x, y)", getText(Hint.RemoveRange.getAsRange(), *Context));
+ EXPECT_TRUE(Hint.InsertFromRange.isInvalid());
+ EXPECT_TRUE(Hint.CodeToInsert.empty());
+
+ Expr *P0 = CE->getArg(0);
+ FixItHint Hint0 = createRemoval(*P0);
+ EXPECT_EQ("x", getText(Hint0.RemoveRange.getAsRange(), *Context));
+ EXPECT_TRUE(Hint0.InsertFromRange.isInvalid());
+ EXPECT_TRUE(Hint0.CodeToInsert.empty());
+
+ Expr *P1 = CE->getArg(1);
+ FixItHint Hint1 = createRemoval(*P1);
+ EXPECT_EQ("y", getText(Hint1.RemoveRange.getAsRange(), *Context));
+ EXPECT_TRUE(Hint1.InsertFromRange.isInvalid());
+ EXPECT_TRUE(Hint1.CodeToInsert.empty());
+ };
+ Visitor.runOver("void foo(int x, int y) { foo(x, y); }");
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ Expr *P0 = CE->getArg(0);
+ FixItHint Hint0 = createRemoval(*P0);
+ EXPECT_EQ("x + y", getText(Hint0.RemoveRange.getAsRange(), *Context));
+
+ Expr *P1 = CE->getArg(1);
+ FixItHint Hint1 = createRemoval(*P1);
+ EXPECT_EQ("y + x", getText(Hint1.RemoveRange.getAsRange(), *Context));
+ };
+ Visitor.runOver("void foo(int x, int y) { foo(x + y, y + x); }");
+}
+
+TEST(FixItTest, createRemovalWithMacro) {
+ CallsVisitor Visitor;
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ FixItHint Hint = createRemoval(*CE);
+ EXPECT_EQ("FOO", getText(Hint.RemoveRange.getAsRange(), *Context));
+ EXPECT_TRUE(Hint.InsertFromRange.isInvalid());
+ EXPECT_TRUE(Hint.CodeToInsert.empty());
+
+ Expr *P0 = CE->getArg(0);
+ FixItHint Hint0 = createRemoval(*P0);
+ EXPECT_EQ("input.cc:2:26 <Spelling=input.cc:1:17>",
+ LocationToString(Hint0.RemoveRange.getBegin(), Context));
+ EXPECT_EQ("input.cc:2:26 <Spelling=input.cc:1:17>",
+ LocationToString(Hint0.RemoveRange.getEnd(), Context));
+ EXPECT_TRUE(Hint0.InsertFromRange.isInvalid());
+ EXPECT_TRUE(Hint0.CodeToInsert.empty());
+
+ Expr *P1 = CE->getArg(1);
+ FixItHint Hint1 = createRemoval(*P1);
+ EXPECT_EQ("input.cc:2:26 <Spelling=input.cc:1:20>",
+ LocationToString(Hint1.RemoveRange.getBegin(), Context));
+ EXPECT_EQ("input.cc:2:26 <Spelling=input.cc:1:20>",
+ LocationToString(Hint1.RemoveRange.getEnd(), Context));
+ EXPECT_TRUE(Hint1.InsertFromRange.isInvalid());
+ EXPECT_TRUE(Hint1.CodeToInsert.empty());
+ };
+ Visitor.runOver("#define FOO foo(1, 1)\n"
+ "void foo(int x, int y) { FOO; }");
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ FixItHint Hint = createRemoval(*CE);
+ EXPECT_EQ("input.cc:2:26 <Spelling=input.cc:1:37>",
+ LocationToString(Hint.RemoveRange.getBegin(), Context));
+ EXPECT_EQ("input.cc:2:26 <Spelling=input.cc:1:45>",
+ LocationToString(Hint.RemoveRange.getEnd(), Context));
+ EXPECT_TRUE(Hint.InsertFromRange.isInvalid());
+ EXPECT_TRUE(Hint.CodeToInsert.empty());
+ };
+ Visitor.runOver("#define FOO(x, y) (void)x; (void)y; foo(x, y);\n"
+ "void foo(int x, int y) { FOO(x,y) }");
+}
+
+TEST(FixItTest, createReplacement) {
+ CallsVisitor Visitor;
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ Expr *P0 = CE->getArg(0);
+ Expr *P1 = CE->getArg(1);
+ FixItHint Hint0 = createReplacement(*P0, *P1, *Context);
+ FixItHint Hint1 = createReplacement(*P1, *P0, *Context);
+
+ // Validate Hint0 fields.
+ EXPECT_EQ("x", getText(Hint0.RemoveRange.getAsRange(), *Context));
+ EXPECT_TRUE(Hint0.InsertFromRange.isInvalid());
+ EXPECT_EQ(Hint0.CodeToInsert, "y");
+
+ // Validate Hint1 fields.
+ EXPECT_EQ("y", getText(Hint1.RemoveRange.getAsRange(), *Context));
+ EXPECT_TRUE(Hint1.InsertFromRange.isInvalid());
+ EXPECT_EQ(Hint1.CodeToInsert, "x");
+ };
+
+ Visitor.runOver("void foo(int x, int y) { foo(x, y); }");
+
+ Visitor.runOver("#define APPLY(f, x, y) f(x, y)\n"
+ "void foo(int x, int y) { APPLY(foo, x, y); }");
+
+ Visitor.runOver("#define APPLY(f, P) f(P)\n"
+ "#define PAIR(x, y) x, y\n"
+ "void foo(int x, int y) { APPLY(foo, PAIR(x, y)); }\n");
+}
+
+TEST(FixItTest, createReplacementWithMacro) {
+ CallsVisitor Visitor;
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ Expr *P0 = CE->getArg(0);
+ Expr *P1 = CE->getArg(1);
+ FixItHint Hint = createReplacement(*P0, *P1, *Context);
+ EXPECT_EQ("input.cc:2:26 <Spelling=input.cc:1:17>",
+ LocationToString(Hint.RemoveRange.getBegin(), Context));
+ EXPECT_EQ("input.cc:2:26 <Spelling=input.cc:1:17>",
+ LocationToString(Hint.RemoveRange.getEnd(), Context));
+ EXPECT_TRUE(Hint.InsertFromRange.isInvalid());
+ EXPECT_TRUE(Hint.CodeToInsert.empty());
+ };
+
+ Visitor.runOver("#define FOO foo(1, 1)\n"
+ "void foo(int x, int y) { FOO; }");
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ Expr *P0 = CE->getArg(0);
+ Expr *P1 = CE->getArg(1);
+ FixItHint Hint = createReplacement(*P0, *P1, *Context);
+ EXPECT_EQ("input.cc:2:26 <Spelling=input.cc:2:30>",
+ LocationToString(Hint.RemoveRange.getBegin(), Context));
+ EXPECT_EQ("input.cc:2:26 <Spelling=input.cc:2:30>",
+ LocationToString(Hint.RemoveRange.getEnd(), Context));
+ EXPECT_TRUE(Hint.InsertFromRange.isInvalid());
+ EXPECT_EQ("y", Hint.CodeToInsert);
+ };
+ Visitor.runOver("#define FOO(x, y) (void)x; (void)y; foo(x, y);\n"
+ "void foo(int x, int y) { FOO(x,y) }");
+
+ Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) {
+ Expr *P0 = CE->getArg(0);
+ Expr *P1 = CE->getArg(1);
+ FixItHint Hint = createReplacement(*P0, *P1, *Context);
+ EXPECT_EQ("x + y", getText(Hint.RemoveRange.getAsRange(), *Context));
+ EXPECT_TRUE(Hint.InsertFromRange.isInvalid());
+ EXPECT_EQ("y + x", Hint.CodeToInsert);
+ };
+ Visitor.runOver("void foo(int x, int y) { foo(x + y, y + x); }");
+}
+
+} // end anonymous namespace
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.