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/*
* Copyright 2018 The gRPC Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.grpc.internal;
import static org.junit.Assert.assertEquals;
import com.google.gson.stream.MalformedJsonException;
import java.io.EOFException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link JsonParser}.
*/
@RunWith(JUnit4.class)
public class JsonParserTest {
@Rule
public final ExpectedException thrown = ExpectedException.none();
@Test
public void emptyObject() throws IOException {
assertEquals(new LinkedHashMap<String, Object>(), JsonParser.parse("{}"));
}
@Test
public void emptyArray() throws IOException {
assertEquals(new ArrayList<>(), JsonParser.parse("[]"));
}
@Test
public void intNumber() throws IOException {
assertEquals(Double.valueOf("1"), JsonParser.parse("1"));
}
@Test
public void doubleNumber() throws IOException {
assertEquals(Double.valueOf("1.2"), JsonParser.parse("1.2"));
}
@Test
public void longNumber() throws IOException {
assertEquals(Double.valueOf("9999999999"), JsonParser.parse("9999999999"));
}
@Test
public void booleanValue() throws IOException {
assertEquals(true, JsonParser.parse("true"));
}
@Test
public void nullValue() throws IOException {
assertEquals(null, JsonParser.parse("null"));
}
@Test
public void nanFails() throws IOException {
thrown.expect(MalformedJsonException.class);
JsonParser.parse("NaN");
}
@Test
public void objectEarlyEnd() throws IOException {
thrown.expect(MalformedJsonException.class);
JsonParser.parse("{foo:}");
}
@Test
public void earlyEndArray() throws IOException {
thrown.expect(EOFException.class);
JsonParser.parse("[1, 2, ");
}
@Test
public void arrayMissingElement() throws IOException {
thrown.expect(MalformedJsonException.class);
JsonParser.parse("[1, 2, ]");
}
@Test
public void objectMissingElement() throws IOException {
thrown.expect(MalformedJsonException.class);
JsonParser.parse("{1: ");
}
@Test
public void objectNoName() throws IOException {
thrown.expect(MalformedJsonException.class);
JsonParser.parse("{: 1");
}
@Test
public void objectStringName() throws IOException {
LinkedHashMap<String, Object> expected = new LinkedHashMap<String, Object>();
expected.put("hi", Double.valueOf("2"));
assertEquals(expected, JsonParser.parse("{\"hi\": 2}"));
}
}
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