llvm-project/clang-tools-extra/unittests/clang-query/QueryParserTest.cpp

113 lines
3.6 KiB
C++

//===---- QueryParserTest.cpp - clang-query test --------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "QueryParser.h"
#include "Query.h"
#include "QuerySession.h"
#include "llvm/LineEditor/LineEditor.h"
#include "gtest/gtest.h"
using namespace clang;
using namespace clang::query;
TEST(QueryParser, NoOp) {
QueryRef Q = QueryParser::parse("");
EXPECT_TRUE(isa<NoOpQuery>(Q));
Q = QueryParser::parse("\n");
EXPECT_TRUE(isa<NoOpQuery>(Q));
}
TEST(QueryParser, Invalid) {
QueryRef Q = QueryParser::parse("foo");
ASSERT_TRUE(isa<InvalidQuery>(Q));
EXPECT_EQ("unknown command: foo", cast<InvalidQuery>(Q)->ErrStr);
}
TEST(QueryParser, Help) {
QueryRef Q = QueryParser::parse("help");
ASSERT_TRUE(isa<HelpQuery>(Q));
Q = QueryParser::parse("help me");
ASSERT_TRUE(isa<InvalidQuery>(Q));
EXPECT_EQ("unexpected extra input: ' me'", cast<InvalidQuery>(Q)->ErrStr);
}
TEST(QueryParser, Set) {
QueryRef Q = QueryParser::parse("set");
ASSERT_TRUE(isa<InvalidQuery>(Q));
EXPECT_EQ("expected variable name", cast<InvalidQuery>(Q)->ErrStr);
Q = QueryParser::parse("set foo bar");
ASSERT_TRUE(isa<InvalidQuery>(Q));
EXPECT_EQ("unknown variable: 'foo'", cast<InvalidQuery>(Q)->ErrStr);
Q = QueryParser::parse("set output");
ASSERT_TRUE(isa<InvalidQuery>(Q));
EXPECT_EQ("expected 'diag', 'print' or 'dump', got ''",
cast<InvalidQuery>(Q)->ErrStr);
Q = QueryParser::parse("set bind-root true foo");
ASSERT_TRUE(isa<InvalidQuery>(Q));
EXPECT_EQ("unexpected extra input: ' foo'", cast<InvalidQuery>(Q)->ErrStr);
Q = QueryParser::parse("set output foo");
ASSERT_TRUE(isa<InvalidQuery>(Q));
EXPECT_EQ("expected 'diag', 'print' or 'dump', got 'foo'",
cast<InvalidQuery>(Q)->ErrStr);
Q = QueryParser::parse("set output dump");
ASSERT_TRUE(isa<SetQuery<OutputKind> >(Q));
EXPECT_EQ(&QuerySession::OutKind, cast<SetQuery<OutputKind> >(Q)->Var);
EXPECT_EQ(OK_Dump, cast<SetQuery<OutputKind> >(Q)->Value);
Q = QueryParser::parse("set bind-root foo");
ASSERT_TRUE(isa<InvalidQuery>(Q));
EXPECT_EQ("expected 'true' or 'false', got 'foo'",
cast<InvalidQuery>(Q)->ErrStr);
Q = QueryParser::parse("set bind-root true");
ASSERT_TRUE(isa<SetQuery<bool> >(Q));
EXPECT_EQ(&QuerySession::BindRoot, cast<SetQuery<bool> >(Q)->Var);
EXPECT_EQ(true, cast<SetQuery<bool> >(Q)->Value);
}
TEST(QueryParser, Match) {
QueryRef Q = QueryParser::parse("match decl()");
ASSERT_TRUE(isa<MatchQuery>(Q));
EXPECT_TRUE(cast<MatchQuery>(Q)->Matcher.canConvertTo<Decl>());
Q = QueryParser::parse("m stmt()");
ASSERT_TRUE(isa<MatchQuery>(Q));
EXPECT_TRUE(cast<MatchQuery>(Q)->Matcher.canConvertTo<Stmt>());
}
TEST(QueryParser, Complete) {
std::vector<llvm::LineEditor::Completion> Comps =
QueryParser::complete("", 0);
ASSERT_EQ(3u, Comps.size());
EXPECT_EQ("help ", Comps[0].TypedText);
EXPECT_EQ("help", Comps[0].DisplayText);
EXPECT_EQ("match ", Comps[1].TypedText);
EXPECT_EQ("match", Comps[1].DisplayText);
EXPECT_EQ("set ", Comps[2].TypedText);
EXPECT_EQ("set", Comps[2].DisplayText);
Comps = QueryParser::complete("set o", 5);
ASSERT_EQ(1u, Comps.size());
EXPECT_EQ("utput ", Comps[0].TypedText);
EXPECT_EQ("output", Comps[0].DisplayText);
Comps = QueryParser::complete("match while", 11);
ASSERT_EQ(1u, Comps.size());
EXPECT_EQ("Stmt(", Comps[0].TypedText);
EXPECT_EQ("Matcher<Stmt> whileStmt(Matcher<WhileStmt>...)",
Comps[0].DisplayText);
}