<commit_before>/*****************************************************************************
 * ------------------------------------------------------------------------- *
 * 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 com.google.mu.util.stream;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth8.assertThat;
import static com.google.mu.util.stream.Case.match;
import static com.google.mu.util.stream.MoreCollectors.atLeast;
import static com.google.mu.util.stream.MoreCollectors.empty;
import static com.google.mu.util.stream.MoreCollectors.exactly;
import static com.google.mu.util.stream.MoreCollectors.firstElement;
import static com.google.mu.util.stream.MoreCollectors.lastElement;
import static com.google.mu.util.stream.MoreCollectors.maybe;
import static com.google.mu.util.stream.MoreCollectors.onlyElement;
import static java.util.Arrays.asList;
import static org.junit.jupiter.api.Assertions.assertThrows;

import java.util.List;
import java.util.stream.Stream;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

import com.google.common.testing.NullPointerTester;
import com.google.mu.util.stream.Case.maybe;

@RunWith(JUnit4.class)
public class CaseTest {
  @Test public void testEmpty() {
    assertThat(match(asList(), empty(() -> "ok"))).isEqualTo("ok");
    assertThrows(IllegalArgumentException.class, () -> match(asList(1), empty(() -> "ok")));
  }

  @Test public void testEmpty_asCollector() {
    assertThat(Stream.empty().collect(empty(() -> "ok"))).isEqualTo("ok");
    IllegalArgumentException thrown =
        assertThrows(IllegalArgumentException.class, () -> Stream.of(1).collect(empty(() -> "ok")));
    assertThat(thrown.getMessage())
        .isEqualTo("Input ([1]) doesn't match pattern <empty>.");<commit_msg>both maybe() and orNot()<commit_after>/*****************************************************************************
 * ------------------------------------------------------------------------- *
 * 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 com.google.mu.util.stream;

import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth8.assertThat;
import static com.google.mu.util.stream.Case.match;
import static com.google.mu.util.stream.MoreCollectors.atLeast;
import static com.google.mu.util.stream.MoreCollectors.empty;
import static com.google.mu.util.stream.MoreCollectors.exactly;
import static com.google.mu.util.stream.MoreCollectors.firstElement;
import static com.google.mu.util.stream.MoreCollectors.lastElement;
import static com.google.mu.util.stream.MoreCollectors.onlyElement;
import static java.util.Arrays.asList;
import static org.junit.jupiter.api.Assertions.assertThrows;

import java.util.List;
import java.util.stream.Stream;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

import com.google.common.testing.NullPointerTester;

@RunWith(JUnit4.class)
public class CaseTest {
  @Test public void testEmpty() {
    assertThat(match(asList(), empty(() -> "ok"))).isEqualTo("ok");
    assertThrows(IllegalArgumentException.class, () -> match(asList(1), empty(() -> "ok")));
  }

  @Test public void testEmpty_asCollector() {
    assertThat(Stream.empty().collect(empty(() -> "ok"))).isEqualTo("ok");
    IllegalArgumentException thrown =
        assertThrows(IllegalArgumentException.class, () -> Stream.of(1).collect(empty(() -> "ok")));
    assertThat(thrown.getMessage())
        .isEqualTo("Input ([1]) doesn't match pattern <empty>.");
{'fraction_non_alphanumeric': 0.18909899888765294, 'fraction_numerical': 0.0037078235076010383, 'mean_word_length': 2.594270486342438, 'pattern_counts': {'":': 0, '<': 5, '<?xml version=': 0, '>': 17, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 18, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1368932', 'n_tokens_mistral': 1332, 'n_tokens_neox': 1317, 'n_words': 325}