| package groovy |
| |
| class GeneratorTest extends GroovyTestCase { |
| |
| void testGenerator() { |
| def x = this.&sampleGenerator |
| //System.out.println("x: " + x) |
| |
| def result = '' |
| for (i in x) { |
| result = result + i |
| } |
| |
| assert result == "ABC" |
| } |
| |
| void testFindAll() { |
| def x = this.&sampleGenerator |
| |
| def value = x.findAll { item -> return item == "C" } |
| assert value == ["C"] |
| |
| value = x.findAll { item -> return item != "B" } |
| assert value == ["A", "C"] |
| } |
| |
| |
| void testEach() { |
| def x = this.&sampleGenerator |
| |
| def value = x.each { println(it) } |
| } |
| |
| |
| void testMissingThisBug() { |
| def result = '' |
| for (i in this.&sampleGenerator) { |
| result = result + i |
| } |
| |
| assert result == "ABC" |
| } |
| |
| void sampleGenerator(closure) { |
| // kinda like yield statements |
| closure.call("A") |
| closure.call("B") |
| closure.call("C") |
| } |
| } |