Switch-implementation.

tests/language/language-leg.status

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 [ $component == leg && $checked ]
 *: Skip
 
 
 [ $component == leg ]
 AdjacentStringLiteralsTest: Crash # Cannot call 'get:dartString' on "${s}".
@@ skipping 17 matching lines @@
 Context2Test: Fail # switch cases are not implemented
 ContinueTest: Fail # switch cases are not implemented
 DefaultFactoryLibraryTest: Fail # lib is not a type
 DefaultInitTest: Fail # CompileTimeConstantHandler with fields not implemented
 DisablePrivacyTest: Skip  # Issue 1882: Needs --disable_privacy support.
 DoWhileTest: Fail # SsaBuilder for loop with aborting body not implemented
 DoubleToStringAsExponentialTest: Fail # -0.0 is printed as 0.0.
 DoubleToStringAsFixedTest: Fail # -0.0 is printed as 0.0.
 DoubleToStringAsPrecisionTest: Fail # -0.0 is printed as 0.0.
 DynamicTest: Fail # cannot resolve type F1
-EmptyBlockCaseTest: Fail # switch cases are not implemented
 Factory3Test: Fail # Handling of compile-time constants.
 FinalSyntaxTest/none: Fail # Incorrect compile-time constant handling.
 ForTest: Fail # SsaBuilder for loop without condition not implemented
 FunctionSyntaxTest: Fail # Internal Error: Cannot find value
 FunctionTypeAlias2Test: Fail # cannot resolve type f1
 FunctionTypeAlias3Test: Fail # cannot resolve type F
 FunctionTypeAlias4Test: Fail # cannot resolve type F
 FunctionTypeAliasTest: Fail # cannot resolve type Fun
 FunctionTypeParameter2Test: Fail # Internal Error: expected expected optional parameters
 FunctionTypeParameterTest: Fail # Internal Error: expected expected optional parameters
@@ skipping 26 matching lines @@
 ResourceTest: Fail # #resource tag not recognized - issue 1807
 StatementTest: Fail # switch cases are not implemented
 StaticFinalFieldTest: Fail # map not implemented
 SuperAllNamedConstructorTest: Fail # Internal Error: Cannot find value
 SuperFieldAccessTest: Fail # Internal Error: SsaBuilder.visitIdentifier on non-this
 SuperFieldTest: Fail # no method named city in class B
 SuperImplicitClosureTest: Fail # Internal Error: SsaBuilder.visitIdentifier on non-this
 SuperOperatorTest: Fail # no method named + in class A
 SuperSetterTest: Fail # Internal Error: SsaBuilder.visitIdentifier on non-this
 SuperTest: Fail # cannot find tokens to produce error message for i++.
-SwitchFallthruTest: Fail # switch cases are not implemented
 SwitchLabelTest: Fail # switch cases are not implemented
-SwitchTest: Fail # switch cases are not implemented
 TypeDartcTest: Fail # non-empty instruction stack
 WhileTest: Fail # SsaBuilder for loop with aborting body not implemented
 WrongNumberTypeArgumentsTest*: Skip # multiple error annotations are required
 
 
 # Implementation errors (library or generated code).
 AssertionTest: Fail # Expect.equals(expected: <0>, actual: <null>) fails.
 BadNamedParametersTest: Fail # NullPointerException
 BitOperationsTest: Fail # Expect.equals(expected: <18446744073709552000>, actual: <1>) fails.
 ConstEscapeFrogTest: Fail # Expect.equals(expected: <null>, actual: <Instance of 'Bar'>) fails.
@@ skipping 142 matching lines @@
 SetterDeclarationNegativeTest: Fail, OK # Negative language test.
 StaticFinalField2NegativeTest: Fail, OK # Negative language test.
 StaticFinalFieldNegativeTest: Fail, OK # Negative language test.
 StaticTopLevelTest/00: Fail, OK # Negative language test.
 StaticTopLevelTest/01: Fail, OK # Negative language test.
 StaticTopLevelTest/02: Fail, OK # Negative language test.
 StaticTopLevelTest/03: Fail, OK # Negative language test.
 StaticTopLevelTest/04: Fail, OK # Negative language test.
 StaticTopLevelTest/05: Fail, OK # Negative language test.
 StringInterpolation7NegativeTest: Fail, OK # Negative language test.
-Switch3NegativeTest: Fail, OK # Negative language test.
-Switch7NegativeTest: Fail, OK # Negative language test.
 SyntaxTest/47: Fail, OK # No error on body in const constructor.
 Throw7NegativeTest: Fail, OK # Negative language test.
 TryCatchSyntaxTest/08: Fail, OK # Negative language test.
 TypeVariableBounds2Test*: Skip # multiple error annotations are required
 TypeVariableBoundsTest*: Skip # multiple error annotations are required
 TypeVariableIdentifierExpressionNegativeTest: Fail, OK # Negative language test.
 TypeVariableScopeTest/00: Fail, OK # Negative language test.
 TypeVariableScopeTest/01: Fail, OK # Negative language test.
 TypeVariableScopeTest/02: Fail, OK # Negative language test.
 TypeVariableScopeTest/03: Fail, OK # Negative language test.
@@ skipping 13 matching lines @@
 ClosureBreakTest: Fail
 ExecuteFinally3Test: Fail
 ExecuteFinally9Test: Fail
 
 
 [ $component == leg && $mode == release ]
 AssignTopMethodNegativeTest: Crash
 
 [ $component == legium ]
 *: Skip