forked from OSchip/llvm-project
247 lines
8.9 KiB
C++
247 lines
8.9 KiB
C++
//===- unittest/Tooling/JsonCompileCommandLineDatabaseTest ----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "../../lib/Tooling/JsonCompileCommandLineDatabase.h"
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#include "gtest/gtest.h"
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namespace clang {
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namespace tooling {
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TEST(UnescapeJsonCommandLine, ReturnsEmptyArrayOnEmptyString) {
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std::vector<std::string> Result = UnescapeJsonCommandLine("");
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EXPECT_TRUE(Result.empty());
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}
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TEST(UnescapeJsonCommandLine, SplitsOnSpaces) {
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std::vector<std::string> Result = UnescapeJsonCommandLine("a b c");
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ASSERT_EQ(3ul, Result.size());
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EXPECT_EQ("a", Result[0]);
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EXPECT_EQ("b", Result[1]);
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EXPECT_EQ("c", Result[2]);
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}
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TEST(UnescapeJsonCommandLine, MungesMultipleSpaces) {
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std::vector<std::string> Result = UnescapeJsonCommandLine(" a b ");
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ASSERT_EQ(2ul, Result.size());
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EXPECT_EQ("a", Result[0]);
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EXPECT_EQ("b", Result[1]);
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}
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TEST(UnescapeJsonCommandLine, UnescapesBackslashCharacters) {
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std::vector<std::string> Backslash = UnescapeJsonCommandLine("a\\\\\\\\");
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ASSERT_EQ(1ul, Backslash.size());
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EXPECT_EQ("a\\", Backslash[0]);
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std::vector<std::string> Quote = UnescapeJsonCommandLine("a\\\\\\\"");
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ASSERT_EQ(1ul, Quote.size());
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EXPECT_EQ("a\"", Quote[0]);
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}
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TEST(UnescapeJsonCommandLine, DoesNotMungeSpacesBetweenQuotes) {
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std::vector<std::string> Result = UnescapeJsonCommandLine("\\\" a b \\\"");
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ASSERT_EQ(1ul, Result.size());
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EXPECT_EQ(" a b ", Result[0]);
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}
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TEST(UnescapeJsonCommandLine, AllowsMultipleQuotedArguments) {
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std::vector<std::string> Result = UnescapeJsonCommandLine(
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" \\\" a \\\" \\\" b \\\" ");
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ASSERT_EQ(2ul, Result.size());
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EXPECT_EQ(" a ", Result[0]);
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EXPECT_EQ(" b ", Result[1]);
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}
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TEST(UnescapeJsonCommandLine, AllowsEmptyArgumentsInQuotes) {
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std::vector<std::string> Result = UnescapeJsonCommandLine(
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"\\\"\\\"\\\"\\\"");
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ASSERT_EQ(1ul, Result.size());
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EXPECT_TRUE(Result[0].empty()) << Result[0];
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}
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TEST(UnescapeJsonCommandLine, ParsesEscapedQuotesInQuotedStrings) {
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std::vector<std::string> Result = UnescapeJsonCommandLine(
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"\\\"\\\\\\\"\\\"");
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ASSERT_EQ(1ul, Result.size());
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EXPECT_EQ("\"", Result[0]);
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}
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TEST(UnescapeJsonCommandLine, ParsesMultipleArgumentsWithEscapedCharacters) {
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std::vector<std::string> Result = UnescapeJsonCommandLine(
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" \\\\\\\" \\\"a \\\\\\\" b \\\" \\\"and\\\\\\\\c\\\" \\\\\\\"");
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ASSERT_EQ(4ul, Result.size());
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EXPECT_EQ("\"", Result[0]);
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EXPECT_EQ("a \" b ", Result[1]);
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EXPECT_EQ("and\\c", Result[2]);
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EXPECT_EQ("\"", Result[3]);
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}
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TEST(UnescapeJsonCommandLine, ParsesStringsWithoutSpacesIntoSingleArgument) {
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std::vector<std::string> QuotedNoSpaces = UnescapeJsonCommandLine(
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"\\\"a\\\"\\\"b\\\"");
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ASSERT_EQ(1ul, QuotedNoSpaces.size());
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EXPECT_EQ("ab", QuotedNoSpaces[0]);
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std::vector<std::string> MixedNoSpaces = UnescapeJsonCommandLine(
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"\\\"a\\\"bcd\\\"ef\\\"\\\"\\\"\\\"g\\\"");
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ASSERT_EQ(1ul, MixedNoSpaces.size());
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EXPECT_EQ("abcdefg", MixedNoSpaces[0]);
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}
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TEST(UnescapeJsonCommandLine, ParsesQuotedStringWithoutClosingQuote) {
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std::vector<std::string> Unclosed = UnescapeJsonCommandLine("\"abc");
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ASSERT_EQ(1ul, Unclosed.size());
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EXPECT_EQ("abc", Unclosed[0]);
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std::vector<std::string> EndsInBackslash = UnescapeJsonCommandLine("\"a\\");
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ASSERT_EQ(1ul, EndsInBackslash.size());
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EXPECT_EQ("a", EndsInBackslash[0]);
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std::vector<std::string> Empty = UnescapeJsonCommandLine("\"");
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ASSERT_EQ(1ul, Empty.size());
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EXPECT_EQ("", Empty[0]);
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}
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TEST(JsonCompileCommandLineParser, FailsOnEmptyString) {
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JsonCompileCommandLineParser Parser("", NULL);
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EXPECT_FALSE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, DoesNotReadAfterInput) {
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JsonCompileCommandLineParser Parser(llvm::StringRef(NULL, 0), NULL);
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EXPECT_FALSE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, ParsesEmptyArray) {
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JsonCompileCommandLineParser Parser("[]", NULL);
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EXPECT_TRUE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, FailsIfNotClosingArray) {
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JsonCompileCommandLineParser JustOpening("[", NULL);
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EXPECT_FALSE(JustOpening.Parse()) << JustOpening.GetErrorMessage();
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JsonCompileCommandLineParser WithSpaces(" [ ", NULL);
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EXPECT_FALSE(WithSpaces.Parse()) << WithSpaces.GetErrorMessage();
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JsonCompileCommandLineParser WithGarbage(" [x", NULL);
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EXPECT_FALSE(WithGarbage.Parse()) << WithGarbage.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, ParsesEmptyArrayWithWhitespace) {
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JsonCompileCommandLineParser Spaces(" [ ] ", NULL);
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EXPECT_TRUE(Spaces.Parse()) << Spaces.GetErrorMessage();
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JsonCompileCommandLineParser AllWhites("\t\r\n[\t\n \t\r ]\t\r \n\n", NULL);
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EXPECT_TRUE(AllWhites.Parse()) << AllWhites.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, FailsIfNotStartingArray) {
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JsonCompileCommandLineParser ObjectStart("{", NULL);
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EXPECT_FALSE(ObjectStart.Parse()) << ObjectStart.GetErrorMessage();
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// We don't implement a full JSON parser, and thus parse only a subset
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// of valid JSON.
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JsonCompileCommandLineParser Object("{}", NULL);
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EXPECT_FALSE(Object.Parse()) << Object.GetErrorMessage();
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JsonCompileCommandLineParser Character("x", NULL);
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EXPECT_FALSE(Character.Parse()) << Character.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, ParsesEmptyObject) {
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JsonCompileCommandLineParser Parser("[{}]", NULL);
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EXPECT_TRUE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, ParsesObject) {
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JsonCompileCommandLineParser Parser("[{\"a\":\"/b\"}]", NULL);
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EXPECT_TRUE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, ParsesMultipleKeyValuePairsInObject) {
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JsonCompileCommandLineParser Parser(
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"[{\"a\":\"/b\",\"c\":\"d\",\"e\":\"f\"}]", NULL);
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EXPECT_TRUE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, FailsIfNotClosingObject) {
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JsonCompileCommandLineParser MissingCloseOnEmpty("[{]", NULL);
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EXPECT_FALSE(MissingCloseOnEmpty.Parse())
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<< MissingCloseOnEmpty.GetErrorMessage();
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JsonCompileCommandLineParser MissingCloseAfterPair("[{\"a\":\"b\"]", NULL);
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EXPECT_FALSE(MissingCloseAfterPair.Parse())
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<< MissingCloseAfterPair.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, FailsIfMissingColon) {
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JsonCompileCommandLineParser StringString("[{\"a\"\"/b\"}]", NULL);
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EXPECT_FALSE(StringString.Parse()) << StringString.GetErrorMessage();
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JsonCompileCommandLineParser StringSpaceString("[{\"a\" \"b\"}]", NULL);
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EXPECT_FALSE(StringSpaceString.Parse())
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<< StringSpaceString.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, FailsOnMissingQuote) {
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JsonCompileCommandLineParser OpenQuote("[{a\":\"b\"}]", NULL);
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EXPECT_FALSE(OpenQuote.Parse()) << OpenQuote.GetErrorMessage();
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JsonCompileCommandLineParser CloseQuote("[{\"a\":\"b}]", NULL);
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EXPECT_FALSE(CloseQuote.Parse()) << CloseQuote.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, ParsesEscapedQuotes) {
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JsonCompileCommandLineParser Parser(
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"[{\"a\":\"\\\"b\\\" \\\" \\\"\"}]", NULL);
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EXPECT_TRUE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, ParsesEmptyString) {
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JsonCompileCommandLineParser Parser("[{\"a\":\"\"}]", NULL);
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EXPECT_TRUE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, FailsOnMissingString) {
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JsonCompileCommandLineParser MissingValue("[{\"a\":}]", NULL);
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EXPECT_FALSE(MissingValue.Parse()) << MissingValue.GetErrorMessage();
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JsonCompileCommandLineParser MissingKey("[{:\"b\"}]", NULL);
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EXPECT_FALSE(MissingKey.Parse()) << MissingKey.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, ParsesMultipleObjects) {
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JsonCompileCommandLineParser Parser(
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"["
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" { \"a\" : \"b\" },"
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" { \"a\" : \"b\" },"
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" { \"a\" : \"b\" }"
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"]", NULL);
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EXPECT_TRUE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, FailsOnMissingComma) {
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JsonCompileCommandLineParser Parser(
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"["
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" { \"a\" : \"b\" }"
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" { \"a\" : \"b\" }"
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"]", NULL);
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EXPECT_FALSE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, FailsOnSuperfluousComma) {
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JsonCompileCommandLineParser Parser(
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"[ { \"a\" : \"b\" }, ]", NULL);
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EXPECT_FALSE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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TEST(JsonCompileCommandLineParser, ParsesSpacesInBetweenTokens) {
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JsonCompileCommandLineParser Parser(
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" \t \n\n \r [ \t \n\n \r"
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" \t \n\n \r { \t \n\n \r\"a\"\t \n\n \r :"
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" \t \n\n \r \"b\"\t \n\n \r } \t \n\n \r,\t \n\n \r"
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" \t \n\n \r { \t \n\n \r\"a\"\t \n\n \r :"
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" \t \n\n \r \"b\"\t \n\n \r } \t \n\n \r]\t \n\n \r",
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NULL);
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EXPECT_TRUE(Parser.Parse()) << Parser.GetErrorMessage();
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}
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} // end namespace tooling
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} // end namespace clang
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