@Test
  public void parsedElementWithNumberToString_doesNotLoosePrecision() throws Exception {
    JsonElement element = JsonParser.parse("{ \"a\": 9223372036854775807 }");
    assertThat(element.toString()).isEqualTo("{\"a\":9223372036854775807}");
  }
Tests for Tink's internal {@link JsonParser}.
java_src/src/test/java/com/google/crypto/tink/internal/JsonParserTest.java