v8/test/unittests/torque/ls-json-unittest.cc

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// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/torque/ls/json-parser.h"
#include "src/torque/ls/json.h"
#include "src/torque/source-positions.h"
#include "test/unittests/test-utils.h"
namespace v8 {
namespace internal {
namespace torque {
namespace ls {
TEST(LanguageServerJson, TestJsonPrimitives) {
const JsonValue true_result = ParseJson("true");
ASSERT_EQ(true_result.tag, JsonValue::BOOL);
EXPECT_EQ(true_result.ToBool(), true);
const JsonValue false_result = ParseJson("false");
ASSERT_EQ(false_result.tag, JsonValue::BOOL);
EXPECT_EQ(false_result.ToBool(), false);
const JsonValue null_result = ParseJson("null");
ASSERT_EQ(null_result.tag, JsonValue::IS_NULL);
const JsonValue number = ParseJson("42");
ASSERT_EQ(number.tag, JsonValue::NUMBER);
EXPECT_EQ(number.ToNumber(), 42);
}
TEST(LanguageServerJson, TestJsonStrings) {
const JsonValue basic = ParseJson("\"basic\"");
ASSERT_EQ(basic.tag, JsonValue::STRING);
EXPECT_EQ(basic.ToString(), "basic");
const JsonValue singleQuote = ParseJson("\"'\"");
ASSERT_EQ(singleQuote.tag, JsonValue::STRING);
EXPECT_EQ(singleQuote.ToString(), "'");
}
TEST(LanguageServerJson, TestJsonArrays) {
const JsonValue empty_array = ParseJson("[]");
ASSERT_EQ(empty_array.tag, JsonValue::ARRAY);
EXPECT_EQ(empty_array.ToArray().size(), (size_t)0);
const JsonValue number_array = ParseJson("[1, 2, 3, 4]");
ASSERT_EQ(number_array.tag, JsonValue::ARRAY);
const JsonArray& array = number_array.ToArray();
ASSERT_EQ(array.size(), (size_t)4);
ASSERT_EQ(array[1].tag, JsonValue::NUMBER);
EXPECT_EQ(array[1].ToNumber(), 2);
const JsonValue string_array_object = ParseJson("[\"a\", \"b\"]");
ASSERT_EQ(string_array_object.tag, JsonValue::ARRAY);
const JsonArray& string_array = string_array_object.ToArray();
ASSERT_EQ(string_array.size(), (size_t)2);
ASSERT_EQ(string_array[1].tag, JsonValue::STRING);
EXPECT_EQ(string_array[1].ToString(), "b");
}
TEST(LanguageServerJson, TestJsonObjects) {
const JsonValue empty_object = ParseJson("{}");
ASSERT_EQ(empty_object.tag, JsonValue::OBJECT);
EXPECT_EQ(empty_object.ToObject().size(), (size_t)0);
const JsonValue primitive_fields = ParseJson("{ \"flag\": true, \"id\": 5}");
EXPECT_EQ(primitive_fields.tag, JsonValue::OBJECT);
const JsonValue& flag = primitive_fields.ToObject().at("flag");
ASSERT_EQ(flag.tag, JsonValue::BOOL);
EXPECT_TRUE(flag.ToBool());
const JsonValue& id = primitive_fields.ToObject().at("id");
ASSERT_EQ(id.tag, JsonValue::NUMBER);
EXPECT_EQ(id.ToNumber(), 5);
const JsonValue& complex_fields =
ParseJson("{ \"array\": [], \"object\": { \"name\": \"torque\" } }");
ASSERT_EQ(complex_fields.tag, JsonValue::OBJECT);
const JsonValue& array = complex_fields.ToObject().at("array");
ASSERT_EQ(array.tag, JsonValue::ARRAY);
EXPECT_EQ(array.ToArray().size(), (size_t)0);
const JsonValue& object = complex_fields.ToObject().at("object");
ASSERT_EQ(object.tag, JsonValue::OBJECT);
ASSERT_EQ(object.ToObject().at("name").tag, JsonValue::STRING);
EXPECT_EQ(object.ToObject().at("name").ToString(), "torque");
}
TEST(LanguageServerJsonDeathTest, SyntaxError) {
ASSERT_DEATH(ParseJson("{]"), "Parser Error: unexpected token");
ASSERT_DEATH(ParseJson("{ noquoteskey: null }"),
"Lexer Error: unknown token");
}
} // namespace ls
} // namespace torque
} // namespace internal
} // namespace v8