git.gag.com Git - debian/openrocket/blob - core/test/net/sf/openrocket/unit/UnitToStringTest.java

   1 package net.sf.openrocket.unit;
   2
   3 import static org.junit.Assert.assertEquals;
   4
   5 import org.junit.Test;
   6
   7 public class UnitToStringTest {
   8
   9         @Test
  10         public void testPositiveToString() {
  11                 // very small positive numbers ( < 0.0005) are returned as "0"
  12                 assertEquals("0",Unit.NOUNIT2.toString(0.00040));
  13                 assertEquals("0",Unit.NOUNIT2.toString(0.00050)); // check boundary of change in format
  14
  15                 // positive number < 0.095 use 3 digit decimal format
  16                 assertEquals("0.001",Unit.NOUNIT2.toString(0.00051));  // check boundary of change in format
  17                 assertEquals("0.001",Unit.NOUNIT2.toString(0.00060));
  18
  19                 // rounding at third digit.
  20                 assertEquals("0.001",Unit.NOUNIT2.toString(0.0014));
  21                 assertEquals("0.002",Unit.NOUNIT2.toString(0.0015));  // round to even
  22                 assertEquals("0.002",Unit.NOUNIT2.toString(0.0016));
  23                 assertEquals("0.002",Unit.NOUNIT2.toString(0.0024));
  24                 assertEquals("0.002",Unit.NOUNIT2.toString(0.0025)); // round to even
  25                 assertEquals("0.003",Unit.NOUNIT2.toString(0.0026));
  26                 assertEquals("0.009",Unit.NOUNIT2.toString(0.0094));
  27
  28                 assertEquals("0.01",Unit.NOUNIT2.toString(0.0095));  // no trailing zeros after rounding
  29
  30                 assertEquals("0.011",Unit.NOUNIT2.toString(0.0114));
  31                 assertEquals("0.012",Unit.NOUNIT2.toString(0.0115)); // round to even
  32                 assertEquals("0.012",Unit.NOUNIT2.toString(0.0119));
  33                 assertEquals("0.012",Unit.NOUNIT2.toString(0.0124));
  34                 assertEquals("0.012",Unit.NOUNIT2.toString(0.0125)); // round to even
  35                 assertEquals("0.013",Unit.NOUNIT2.toString(0.0129));
  36
  37                 assertEquals("0.095",Unit.NOUNIT2.toString(0.0949)); // boundary check
  38
  39                 // positive numbers < 100
  40                 assertEquals("0.1",Unit.NOUNIT2.toString(0.095)); // boundary check
  41
  42                 assertEquals("0.11",Unit.NOUNIT2.toString(0.111));
  43                 assertEquals("0.12",Unit.NOUNIT2.toString(0.115)); // round to even
  44                 assertEquals("0.12",Unit.NOUNIT2.toString(0.117));
  45                 assertEquals("0.12",Unit.NOUNIT2.toString(0.121));
  46                 assertEquals("0.12",Unit.NOUNIT2.toString(0.125)); // round to even
  47                 assertEquals("0.13",Unit.NOUNIT2.toString(0.127));
  48
  49                 assertEquals("1.11",Unit.NOUNIT2.toString(1.113));
  50                 assertEquals("1.12",Unit.NOUNIT2.toString(1.115)); // round to even
  51                 assertEquals("1.12",Unit.NOUNIT2.toString(1.117));
  52                 assertEquals("1.12",Unit.NOUNIT2.toString(1.123));
  53                 assertEquals("1.12",Unit.NOUNIT2.toString(1.125)); // round to even
  54                 assertEquals("1.13",Unit.NOUNIT2.toString(1.127));
  55
  56                 assertEquals("12.3",Unit.NOUNIT2.toString(12.320));
  57                 assertEquals("12.4",Unit.NOUNIT2.toString(12.350)); // round to even
  58                 assertEquals("12.4",Unit.NOUNIT2.toString(12.355));
  59                 assertEquals("12.4",Unit.NOUNIT2.toString(12.420));
  60                 assertEquals("12.4",Unit.NOUNIT2.toString(12.450)); // round to even
  61                 assertEquals("12.5",Unit.NOUNIT2.toString(12.455));
  62
  63                 // positive numbers <= 1E6
  64                 assertEquals("123",Unit.NOUNIT2.toString(123.20));
  65                 assertEquals("124",Unit.NOUNIT2.toString(123.50)); // round to even
  66                 assertEquals("124",Unit.NOUNIT2.toString(123.55));
  67                 assertEquals("124",Unit.NOUNIT2.toString(124.20));
  68                 assertEquals("124",Unit.NOUNIT2.toString(124.50)); // round to even
  69                 assertEquals("125",Unit.NOUNIT2.toString(124.55));
  70
  71                 assertEquals("1234",Unit.NOUNIT2.toString(1234.2));
  72                 assertEquals("1234",Unit.NOUNIT2.toString(1234.5)); // round to even
  73                 assertEquals("1235",Unit.NOUNIT2.toString(1234.6));
  74                 assertEquals("1235",Unit.NOUNIT2.toString(1235.2));
  75                 assertEquals("1236",Unit.NOUNIT2.toString(1235.5)); // round to even
  76                 assertEquals("1236",Unit.NOUNIT2.toString(1235.6));
  77
  78                 assertEquals("123457",Unit.NOUNIT2.toString(123456.789));
  79
  80                 assertEquals("1000000",Unit.NOUNIT2.toString(1000000)); // boundary check
  81
  82                 // positive numbers > 1E6
  83                 assertEquals("1.23E6",Unit.NOUNIT2.toString(1234567.89));
  84                 assertEquals("1.23E7",Unit.NOUNIT2.toString(12345678.9));
  85
  86
  87         }
  88
  89         @Test
  90         public void testNegativeToString() {
  91                 // very small negative numbers ( < 0.0005) are returned as "0"
  92                 assertEquals("0",Unit.NOUNIT2.toString(-0.00040));
  93                 assertEquals("0",Unit.NOUNIT2.toString(-0.00050)); // check boundary of change in format
  94
  95                 // negative number < 0.095 use 3 digit decimal format
  96                 assertEquals("-0.001",Unit.NOUNIT2.toString(-0.00051));  // check boundary of change in format
  97                 assertEquals("-0.001",Unit.NOUNIT2.toString(-0.00060));
  98
  99                 // rounding at third digit.
 100                 assertEquals("-0.001",Unit.NOUNIT2.toString(-0.0014));
 101                 assertEquals("-0.002",Unit.NOUNIT2.toString(-0.0015));  // round to even
 102                 assertEquals("-0.002",Unit.NOUNIT2.toString(-0.0016));
 103                 assertEquals("-0.002",Unit.NOUNIT2.toString(-0.0024));
 104                 assertEquals("-0.002",Unit.NOUNIT2.toString(-0.0025)); // round to even
 105                 assertEquals("-0.003",Unit.NOUNIT2.toString(-0.0026));
 106                 assertEquals("-0.009",Unit.NOUNIT2.toString(-0.0094));
 107
 108                 assertEquals("-0.01",Unit.NOUNIT2.toString(-0.0095));  // no trailing zeros after rounding
 109
 110                 assertEquals("-0.011",Unit.NOUNIT2.toString(-0.0114));
 111                 assertEquals("-0.012",Unit.NOUNIT2.toString(-0.0115)); // round to even
 112                 assertEquals("-0.012",Unit.NOUNIT2.toString(-0.0119));
 113                 assertEquals("-0.012",Unit.NOUNIT2.toString(-0.0124));
 114                 assertEquals("-0.012",Unit.NOUNIT2.toString(-0.0125)); // round to even
 115                 assertEquals("-0.013",Unit.NOUNIT2.toString(-0.0129));
 116
 117                 assertEquals("-0.095",Unit.NOUNIT2.toString(-0.0949)); // boundary check
 118
 119                 // negative numbers < 100
 120                 assertEquals("-0.1",Unit.NOUNIT2.toString(-0.095)); // boundary check
 121
 122                 assertEquals("-0.11",Unit.NOUNIT2.toString(-0.111));
 123                 assertEquals("-0.12",Unit.NOUNIT2.toString(-0.115)); // round to even
 124                 assertEquals("-0.12",Unit.NOUNIT2.toString(-0.117));
 125                 assertEquals("-0.12",Unit.NOUNIT2.toString(-0.121));
 126                 assertEquals("-0.12",Unit.NOUNIT2.toString(-0.125)); // round to even
 127                 assertEquals("-0.13",Unit.NOUNIT2.toString(-0.127));
 128
 129                 assertEquals("-1.11",Unit.NOUNIT2.toString(-1.113));
 130                 assertEquals("-1.12",Unit.NOUNIT2.toString(-1.115)); // round to even
 131                 assertEquals("-1.12",Unit.NOUNIT2.toString(-1.117));
 132                 assertEquals("-1.12",Unit.NOUNIT2.toString(-1.123));
 133                 assertEquals("-1.12",Unit.NOUNIT2.toString(-1.125)); // round to even
 134                 assertEquals("-1.13",Unit.NOUNIT2.toString(-1.127));
 135
 136                 assertEquals("-12.3",Unit.NOUNIT2.toString(-12.320));
 137                 assertEquals("-12.4",Unit.NOUNIT2.toString(-12.350)); // round to even
 138                 assertEquals("-12.4",Unit.NOUNIT2.toString(-12.355));
 139                 assertEquals("-12.4",Unit.NOUNIT2.toString(-12.420));
 140                 assertEquals("-12.4",Unit.NOUNIT2.toString(-12.450)); // round to even
 141                 assertEquals("-12.5",Unit.NOUNIT2.toString(-12.455));
 142
 143                 // negative numbers <= 1E6
 144                 assertEquals("-123",Unit.NOUNIT2.toString(-123.20));
 145                 assertEquals("-124",Unit.NOUNIT2.toString(-123.50)); // round to even
 146                 assertEquals("-124",Unit.NOUNIT2.toString(-123.55));
 147                 assertEquals("-124",Unit.NOUNIT2.toString(-124.20));
 148                 assertEquals("-124",Unit.NOUNIT2.toString(-124.50)); // round to even
 149                 assertEquals("-125",Unit.NOUNIT2.toString(-124.55));
 150
 151                 assertEquals("-1234",Unit.NOUNIT2.toString(-1234.2));
 152                 assertEquals("-1234",Unit.NOUNIT2.toString(-1234.5)); // round to even
 153                 assertEquals("-1235",Unit.NOUNIT2.toString(-1234.6));
 154                 assertEquals("-1235",Unit.NOUNIT2.toString(-1235.2));
 155                 assertEquals("-1236",Unit.NOUNIT2.toString(-1235.5)); // round to even
 156                 assertEquals("-1236",Unit.NOUNIT2.toString(-1235.6));
 157
 158                 assertEquals("-123457",Unit.NOUNIT2.toString(-123456.789));
 159
 160                 assertEquals("-1000000",Unit.NOUNIT2.toString(-1000000)); // boundary check
 161
 162                 // negative numbers > 1E6
 163                 assertEquals("-1.23E6",Unit.NOUNIT2.toString(-1234567.89));
 164                 assertEquals("-1.23E7",Unit.NOUNIT2.toString(-12345678.9));
 165
 166
 167         }
 168
 169
 170 }