github.com/deroproject/derosuite@v2.1.6-1.0.20200307070847-0f2e589c7a2b+incompatible/blockchain/median_test.go (about)

     1  // Copyright 2017-2018 DERO Project. All rights reserved.
     2  // Use of this source code in any form is governed by RESEARCH license.
     3  // license can be found in the LICENSE file.
     4  // GPG: 0F39 E425 8C65 3947 702A  8234 08B2 0360 A03A 9DE8
     5  //
     6  //
     7  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
     8  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     9  // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
    10  // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    11  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    12  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    13  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    14  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
    15  // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    16  
    17  package blockchain
    18  
    19  import "testing"
    20  
    21  // these tests have been taken from the test_math.h from epee tests
    22  func Test_Median(t *testing.T) {
    23  
    24  	{ // test with 0 elements
    25  		var array []uint64
    26  		if Median(array) != 0 {
    27  			t.Errorf("Testing failed\n")
    28  		}
    29  	}
    30  
    31  	{ // test with 1 element
    32  		array := []uint64{1}
    33  		if Median(array) != 1 {
    34  			t.Errorf("Testing failed\n")
    35  		}
    36  	}
    37  
    38  	{ // test with 2 element
    39  		array := []uint64{1, 10}
    40  		if Median(array) != 5 {
    41  			t.Errorf("Testing failed\n")
    42  		}
    43  	}
    44  
    45  	{ // test with 3 element
    46  		array := []uint64{0, 9, 3}
    47  		if Median(array) != 3 {
    48  			t.Errorf("Testing failed\n")
    49  		}
    50  	}
    51  
    52  	{ // test with 4 element
    53  		array := []uint64{77, 9, 22, 60}
    54  		if Median(array) != 41 {
    55  			t.Errorf("Testing failed\n")
    56  		}
    57  	}
    58  
    59  	{ // test with 5 element
    60  		array := []uint64{77, 9, 22, 60, 11}
    61  		if Median(array) != 22 {
    62  			t.Errorf("Testing failed\n")
    63  		}
    64  	}
    65  
    66  }