GenericAssertions.java 文件源码

@Override
public String get() {
  try (Writer w = new StringWriter()) {
    try (BufferedWriter writer = new BufferedWriter(w)) {
      writer.append(String.format("Map for actual.%s() does not match expected.%s().", this.method, this.method));
      writer.newLine();
      Map<?, ? extends MapDifference.ValueDifference<?>> differences = mapDifference.entriesDiffering();
      if (!differences.isEmpty()) {
        writer.append("Keys with Differences");
        writer.newLine();
        for (Map.Entry<?, ? extends MapDifference.ValueDifference<?>> kvp : differences.entrySet()) {
          writer.append("  ");
          writer.append(kvp.getKey().toString());
          writer.newLine();

          writer.append("    expected:");
          writer.append(kvp.getValue().leftValue().toString());
          writer.newLine();

          writer.append("    actual:");
          writer.append(kvp.getValue().rightValue().toString());
          writer.newLine();
        }
      }

      Map<?, ?> entries = mapDifference.entriesOnlyOnLeft();
      writeEntries(writer, "Only in expected map", entries);

      Map<?, ?> onlyInActual = mapDifference.entriesOnlyOnRight();
      writeEntries(writer, "Only in actual map", onlyInActual);
    }
    return w.toString();
  } catch (IOException ex) {
    throw new IllegalStateException(ex);
  }
}