src/test/gls/scope/MultipleDefinitionOfSameVariableTest.groovy

   1 package gls.scope
   2
   3 import gls.scope.CompilableTestSupport
   4
   5 public class MultipleDefinitionOfSameVariableTest extends CompilableTestSupport {
   6
   7    public void testInSameBlock() {
   8      shouldNotCompile("""
   9        def foo = 1
  10        def foo = 2
  11      """)
  12
  13      shouldNotCompile("""
  14        class Foo {
  15          def foo() {
  16            def bar=1
  17            def bar=2
  18          }
  19        }
  20      """)
  21    }
  22
  23    public void testInSubblocks() {
  24      shouldNotCompile("""
  25        def foo = 1
  26        5.times { def foo=2 }
  27      """)
  28
  29      shouldNotCompile("""
  30        def foo = 1
  31        label1: { def foo=2 }
  32      """)
  33
  34      shouldNotCompile("""
  35        def foo = 1
  36        for (i in []) { def foo=2 }
  37      """)
  38
  39      shouldNotCompile("""
  40        def foo = 1
  41        while (true) { def foo=2 }
  42      """)
  43    }
  44
  45    public void testInNestedClosure() {
  46      shouldNotCompile("""
  47        def foo = 1
  48        5.times { 6.times {def foo=2 }
  49      """)
  50
  51      assertScript ("""
  52        def foo = 1
  53        5.times { 6.times {foo=2 } }
  54        assert foo == 2
  55      """)
  56    }
  57
  58    public void testBindingHiding() {
  59      assertScript("""
  60        foo = 1
  61        def foo = 3
  62        assert foo==3
  63        assert this.foo == 1
  64        assert binding.foo == 1
  65      """)
  66    }
  67
  68    public void testBindingAccessInMethod() {
  69            assertScript("""
  70              def methodUsingBinding() {
  71                try {
  72                  s = "  bbb  ";
  73                } finally {
  74                  s = s.trim();
  75                }
  76                assert s == "bbb"
  77              }
  78              methodUsingBinding()
  79              assert s == "bbb"
  80            """)
  81    }
  82
  83    public void testMultipleOfSameName() {
  84                 shouldNotCompile("""
  85                   class DoubleField {
  86                         def zero = 0
  87                         public zero = 0
  88                   }
  89
  90                 """)
  91
  92                 shouldNotCompile("""
  93                   class DoubleField {
  94                         def zero = 0
  95                         def zero = 0
  96                   }
  97
  98                 """)
  99
 100    }
 101
 102
 103 }