diff options
Diffstat (limited to 'src/test/java')
| -rw-r--r-- | src/test/java/sevenUnits/unit/UnitDatabaseTest.java | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/java/sevenUnits/unit/UnitDatabaseTest.java b/src/test/java/sevenUnits/unit/UnitDatabaseTest.java index 90c18e6..033d763 100644 --- a/src/test/java/sevenUnits/unit/UnitDatabaseTest.java +++ b/src/test/java/sevenUnits/unit/UnitDatabaseTest.java @@ -25,6 +25,7 @@ import static org.junit.jupiter.api.Assertions.fail; import java.io.IOException; import java.io.InputStream; import java.util.Arrays; +import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; @@ -195,6 +196,10 @@ class UnitDatabaseTest { final LinearUnitValue actual = database .evaluateUnitExpression("J + (2 * 3) J + (20 / 4) J"); assertEquals(expected, actual); + + // check that negation works properly + assertEquals(2, + database.evaluateUnitExpression("J - -1 * J").getValueExact()); } /** @@ -491,6 +496,45 @@ class UnitDatabaseTest { assertThrows(NoSuchElementException.class, () -> database.getUnit("Z")); } + @Test + public void testRemovableDuplicates() { + final Map<String, Unit> unitMap = new HashMap<>(); + unitMap.put("meter", Metric.METRE); + unitMap.put("metre", Metric.METRE); + unitMap.put("m", Metric.METRE); + unitMap.put("second", Metric.SECOND); + + assertTrue(UnitDatabase.isRemovableDuplicate(unitMap, + entry("m", Metric.METRE))); + assertTrue(UnitDatabase.isRemovableDuplicate(unitMap, + entry("meter", Metric.METRE))); + assertFalse(UnitDatabase.isRemovableDuplicate(unitMap, + entry("metre", Metric.METRE))); + assertFalse(UnitDatabase.isRemovableDuplicate(unitMap, + entry("second", Metric.SECOND))); + } + + @Test + public void testToString() { + final UnitDatabase database = new UnitDatabase(); + + database.addUnit("J", J); + database.addUnit("K", J); + + database.addPrefix("A", A); + database.addPrefix("B", B); + database.addPrefix("C", C); + + if ("Unit Database with 1 units, 3 unit prefixes and 0 dimensions" + .equals(database.toString())) { + fail("Database counts by number of units, not number of unit names."); + } + + assertEquals( + "Unit Database with 2 units, 3 unit prefixes and 0 dimensions", + database.toString()); + } + /** * Test that unit expressions return the correct value. * |