}

  public void testToOptionalMultiple() {
    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> Stream.of(1, 2).collect(toOptional()));
    assertThat(expected.getMessage()).contains("1, 2");
  }

  public void testToOptionalMultipleWithNull() {
    assertThrows(NullPointerException.class, () -> Stream.of(1, null).collect(toOptional()));
  }

    for (MutableGraph<Integer> graph : graphsToTest) {
      graph.putEdge(1, 2);
      graph.putEdge(1, 3);
    }
    assertThat(hasCycle(directedGraph)).isFalse();
    assertThat(hasCycle(undirectedGraph)).isFalse();
  }

  @Test
  public void hasCycle_twoCyclicEdges() {
    for (MutableGraph<Integer> graph : graphsToTest) {
      graph.putEdge(1, 2);
      graph.putEdge(2, 1); // no-op in undirected case
    }

// unary instructions
//
//	LADDW rreg ',' sreg ',' rreg
//	{
//		outcode(int($1), &$2, int($4), &$6);
//	}
	ADD	R5, R9, R10	// 01255020
	ADDU	R13, R14, R19	// 01cd9821
	ADDV	R5, R9, R10	// 0125502c
	ADDVU	R13, R14, R19	// 01cd982d

//	LADDW imm ',' sreg ',' rreg
//	{
//		outcode(int($1), &$2, int($4), &$6);
//	}
	ADD	$15176, R14, R9	// 21c93b48
	ADD	$-9, R5, R8	// 20a8fff7

    val headers = headersOf("Cache-Control", "max-age=12", "Pragma", "must-revalidate", "Pragma", "public")
    val cacheControl = parse(headers)
    assertThat(cacheControl.toString()).isEqualTo("max-age=12, public, must-revalidate")
  }

  @Test
  fun parseCacheControlHeaderValueIsRetained() {
    val value = "max-age=12"
    val headers = headersOf("Cache-Control", value)

              }
            ]
          },
          "unit": "bytes"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 18
      },
      "id": 76,
      "options": {
        "displayMode": "lcd",
        "maxVizHeight": 300,
        "minVizHeight": 16,
        "minVizWidth": 8,

                    if (!this.timePicker24Hour) {
                        var ampm = this.container.find('.left .ampmselect').val();
                        if (ampm === 'PM' && hour < 12)
                            hour += 12;
                        if (ampm === 'AM' && hour === 12)
                            hour = 0;
                    }
                } else {

        graph.addEdge(v1, v2, new MetadataGraphEdge("1.1", true, null, null, 2, 1));
        graph.addEdge(v1, v2, new MetadataGraphEdge("1.2", true, null, null, 2, 2));

        // v1-->v3
        graph.addEdge(v1, v3, new MetadataGraphEdge("1.1", true, null, null, 2, 1));
        graph.addEdge(v1, v3, new MetadataGraphEdge("1.2", true, null, null, 4, 2));

        // v3-->v4

                        </ol>
                    </div>
                </div>
            </div>
        </div>
        <section class="content">
            <div class="row">
                <div class="col-12">
                    <div class="card card-outline card-primary">
                        <%-- Card Header --%>
                        <div class="card-header">
                            <h3 class="card-title">

    @Test
    public void testAsArray() throws Exception {
        assertArrayEquals(new int[] { 1, 2 }, ArrayUtil.asIntArray(1, 2));
        assertArrayEquals(new Object[] { "a", 2 }, ArrayUtil.asArray("a", 2));
        assertArrayEquals(new String[] { "a", "b" }, ArrayUtil.asArray("a", "b"));
        assertArrayEquals(new Integer[] { 1, 2 }, ArrayUtil.asArray(1, 2));
    }

    /**
     * @throws Exception
     */
    @Test

        checkVersionParsing("1.2.3-1", 1, 2, 3, 1, null);
        checkVersionParsing("1.2.3-alpha-1", 1, 2, 3, 0, "alpha-1");
        checkVersionParsing("1.2-alpha-1", 1, 2, 0, 0, "alpha-1");
        checkVersionParsing("1.2-alpha-1-20050205.060708-1", 1, 2, 0, 0, "alpha-1-20050205.060708-1");
        checkVersionParsing("RELEASE", 0, 0, 0, 0, "RELEASE");
        checkVersionParsing("2.0-1", 2, 0, 0, 1, null);