llvm/llvm/unittests/TableGen/CodeExpanderTest.cpp

//===- llvm/unittest/TableGen/CodeExpanderTest.cpp - Tests ----------------===//
//
// 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 "Common/GlobalISel/CodeExpander.h"
#include "Common/GlobalISel/CodeExpansions.h"

#include "llvm/Support/raw_ostream.h"
#include "llvm/TableGen/Error.h"
#include "gtest/gtest.h"

usingnamespacellvm;

static StringRef bufferize(StringRef Str) { … }

class RAIIDiagnosticChecker { … };

TEST(CodeExpander, NoExpansions) { … }

// Indentation is applied to all lines except the first
TEST(CodeExpander, Indentation) { … }

// \ is an escape character that removes special meanings from the next
// character.
TEST(CodeExpander, Escape) { … }

// $foo is not an expansion. It should warn though.
TEST(CodeExpander, NotAnExpansion) { … }

// \$foo is not an expansion but shouldn't warn as it's using the escape.
TEST(CodeExpander, EscapedNotAnExpansion) { … }

// \${foo is not an expansion but shouldn't warn as it's using the escape.
TEST(CodeExpander, EscapedUnterminatedExpansion) { … }

// \${foo is not an expansion but shouldn't warn as it's using the escape.
TEST(CodeExpander, EscapedExpansion) { … }

// ${foo} is an undefined expansion and should error.
TEST(CodeExpander, UndefinedExpansion) { … }

// ${bar is an unterminated expansion. Warn and implicitly terminate it.
TEST(CodeExpander, UnterminatedExpansion) { … }