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Groovy example source code file (MinusTest.groovy)
The Groovy MinusTest.groovy source codepackage org.codehaus.groovy.runtime class MinusTest extends GroovyTestCase { void doTestMinus(String type, def a, b, c, d) { assertEquals(type, [a, b], [a, b, c] - [c]) assertEquals(type, [a, b], [a, b, c] - [c, d]) assertEquals(type, [], [a, b, c] - [a, b, c]) assertEquals(type, [], [a, b, c] - [c, b, a]) assertEquals(type, [a, b, c], [a, b, c] - []) assertEquals(type, [], [] - [a, b, c]) } void doTestMinusDuplicates(String type, def a, b, c, d) { assertEquals(type, [a, a], [a, a] - []) assertEquals(type, [a, b, b, c], [a, b, b, c] - []) assertEquals(type, [b, b, c], [a, b, b, c] - [a]) assertEquals(type, [a], [a, b, b, c] - [b, c]) assertEquals(type, [], [a] - [a, a]) } void doTestMinusWithNull(String type, def a, b, c, d) { assertEquals(type, [a, b, c], [a, b, c] - [null]) assertEquals(type, [a, b, c], [a, b, c, null] - [null]) assertEquals(type, [a, b], [a, b, c, null] - [null, c]) assertEquals(type, [], [] - [a, b, c, null]) assertEquals(type, [a, b, c, null], [a, b, c, null] - []) assertEquals(type, [a, b, null], [a, b, c, null] - [c]) } void testMinusComparable() { def a = 'a' def b = 'b' def c = 'c' def d = 'd' doTestMinus('Comparable', a, b, c, d) doTestMinusDuplicates('Comparable', a, b, c, d) doTestMinusWithNull('Comparable', a, b, c, d) } void testMinusNumber() { def a = 1 def b = 2 def c = 3 def d = 4 doTestMinus('Number', a, b, c, d) doTestMinusDuplicates('Number', a, b, c, d) doTestMinusWithNull('Number', a, b, c, d) } void testMinusNumbersMixed() { def a = 1 def b = new BigInteger('2') def c = 3.0d def d = new BigDecimal('4.0') doTestMinus('NumbersMixed', a, b, c, d) doTestMinusDuplicates('NumbersMixed', a, b, c, d) doTestMinusWithNull('NumbersMixed', a, b, c, d) } void testMinusNonComparable() { def a = new Object() def b = new Object() def c = new Object() def d = new Object() doTestMinus('NonComparable', a, b, c, d) doTestMinusDuplicates('NonComparable', a, b, c, d) doTestMinusWithNull('NonComparable', a, b, c, d) } void testMinusMixed() { def a = new Object() def b = 2 def c = '3' def d = new BigDecimal('4.0') doTestMinus('Mixed', a, b, c, d) doTestMinusDuplicates('Mixed', a, b, c, d) doTestMinusWithNull('Mixed', a, b, c, d) } void testArrayMinus() { def x = [1, 2, 3] as Object[] def y = [1, 2] as Object[] def z = [2, 3] assert x - 2 == [1, 3] as Object[] assert x - y == [3] as Object[] assert x - z == [1] as Object[] } void testMapMinus() { def x = [1: 1, 2: 2, 3: 3, 4: 4] def y = [1: 1, 2: 2] def z = [2: 2, 4: 4] assert x - y == [3: 3, 4: 4] assert x - z == [1: 1, 3: 3] assert x - x == [:] assert y - z == [1: 1] assert x - [1.0: 1] == [1:1, 2:2, 3:3, 4:4] assert x - [1: 1.0] == [2:2, 3:3, 4:4] } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy MinusTest.groovy source code file: |
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