[dart2js] delete dummy_compiler_test.

This test has been failing for years. The test was meant to
ensure the compiler could run in the browser, but that's not
a priority for the team at the moment.

Fixes #47257

Change-Id: I89b7ddfb51a3a7375526eb4f321f5d9f31a6a405
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/219124
Reviewed-by: Joshua Litt <joshualitt@google.com>
Commit-Queue: Sigmund Cherem <sigmund@google.com>
diff --git a/tests/web/dummy_compiler_test.dart b/tests/web/dummy_compiler_test.dart
deleted file mode 100644
index 53d4c20..0000000
--- a/tests/web/dummy_compiler_test.dart
+++ /dev/null
@@ -1,68 +0,0 @@
-// 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.
-
-// Tests that the dart2js compiler can be run in a js engine.  This ensures that
-// the internal compiler APIs have no dependency on dart:io.
-library dummy_compiler;
-
-import 'dart:async';
-
-import 'package:async_helper/async_helper.dart';
-import 'package:compiler/compiler.dart';
-
-import 'mock_libraries.dart';
-
-String libProvider(Uri uri) {
-  if (uri.path.endsWith(".platform")) {
-    return DEFAULT_PLATFORM_CONFIG;
-  }
-  if (uri.path.endsWith("/core.dart")) {
-    return buildLibrarySource(DEFAULT_CORE_LIBRARY);
-  } else if (uri.path.endsWith('core_patch.dart')) {
-    return DEFAULT_PATCH_CORE_SOURCE;
-  } else if (uri.path.endsWith('internal.dart')) {
-    return buildLibrarySource(DEFAULT_INTERNAL_LIBRARY);
-  } else if (uri.path.endsWith('interceptors.dart')) {
-    return buildLibrarySource(DEFAULT_INTERCEPTORS_LIBRARY);
-  } else if (uri.path.endsWith('js_helper.dart')) {
-    return buildLibrarySource(DEFAULT_JS_HELPER_LIBRARY);
-  } else if (uri.path.endsWith('/async.dart')) {
-    return buildLibrarySource(DEFAULT_ASYNC_LIBRARY);
-  } else {
-    return "library lib${uri.path.replaceAll('/', '.')};";
-  }
-}
-
-Future<String> provider(Uri uri) {
-  String source;
-  if (uri.scheme == "main") {
-    source = "main() {}";
-  } else if (uri.scheme == "lib") {
-    source = libProvider(uri);
-  } else {
-    throw "unexpected URI $uri";
-  }
-  return new Future.value(source);
-}
-
-void handler(Uri uri, int begin, int end, String message, Diagnostic kind) {
-  if (uri == null) {
-    print('$kind: $message');
-  } else {
-    print('$uri:$begin:$end: $kind: $message');
-  }
-}
-
-main() {
-  asyncStart();
-  Future<CompilationResult> result = compile(new Uri(scheme: 'main'),
-      new Uri(scheme: 'lib', path: '/'), provider, handler);
-  result.then((CompilationResult result) {
-    if (!result.isSuccess) {
-      throw 'Compilation failed';
-    }
-  }, onError: (e, s) {
-    throw 'Compilation failed: $e\n$s';
-  }).then(asyncSuccess);
-}
diff --git a/tests/web/internal/mock_libraries.dart b/tests/web/internal/mock_libraries.dart
deleted file mode 100644
index d279e0c..0000000
--- a/tests/web/internal/mock_libraries.dart
+++ /dev/null
@@ -1,463 +0,0 @@
-// Copyright (c) 2014, 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.
-
-// Library for creating mock versions of platform and internal libraries.
-
-library mock_libraries;
-
-const DEFAULT_PLATFORM_CONFIG = """
-[libraries]
-core:core/core.dart
-async:async/async.dart
-_js_helper:_internal/js_runtime/lib/js_helper.dart
-_interceptors:_internal/js_runtime/lib/interceptors.dart
-_internal:internal/internal.dart
-""";
-
-String buildLibrarySource(Map<String, String> elementMap,
-    [Map<String, String> additionalElementMap = const <String, String>{}]) {
-  Map<String, String> map = new Map<String, String>.from(elementMap);
-  if (additionalElementMap != null) {
-    map.addAll(additionalElementMap);
-  }
-  StringBuffer sb = new StringBuffer();
-  map.values.forEach((String element) {
-    sb.write('$element\n');
-  });
-  return sb.toString();
-}
-
-const Map<String, String> DEFAULT_CORE_LIBRARY = const <String, String>{
-  '<imports>': '''
-import 'dart:_internal' as internal;
-''',
-  'bool': 'class bool {}',
-  'Comparator': 'abstract class Comparator<T> {}',
-  'DateTime': r'''
-      class DateTime {
-        DateTime(year);
-        DateTime.utc(year);
-      }''',
-  'Deprecated': r'''
-      class Deprecated extends Object {
-        final String expires;
-        const Deprecated(this.expires);
-      }''',
-  'deprecated': 'const Object deprecated = const Deprecated("next release");',
-  'double': r'''
-      abstract class double extends num {
-        static var nan = 0;
-        static parse(s) {}
-      }''',
-  'Enum': r'''
-      abstract class Enum {
-        int get index;
-      }''',
-  'Function': r'''
-      class Function {
-        static apply(Function fn, List positional, [Map named]) => null;
-      }''',
-  'identical': 'bool identical(Object a, Object b) { return true; }',
-  'int': 'abstract class int extends num { }',
-  'Iterable': '''
-      abstract class Iterable<E> {
-          Iterator<E> get iterator => null;
-      }''',
-  'Iterator': '''
-      abstract class Iterator<E> {
-          E get current => null;
-      }''',
-  'LinkedHashMap': r'''
-      class LinkedHashMap<K, V> implements Map<K, V> {
-      }''',
-  'List': r'''
-      class List<E> extends Iterable<E> {
-        var length;
-        List([length]);
-        List.filled(length, element);
-        E get first => null;
-        E get last => null;
-        E get single => null;
-        E removeLast() => null;
-        E removeAt(i) => null;
-        E elementAt(i) => null;
-        E singleWhere(f) => null;
-      }''',
-  'Map': 'abstract class Map<K,V> {}',
-  'Null': 'class Null {}',
-  'num': r'''
-      abstract class num {
-        operator +(_);
-        operator *(_);
-        operator -();
-      }''',
-  'print': 'print(var obj) {}',
-  'proxy': 'const proxy = 0;',
-  'Object': r'''
-      class Object {
-        const Object();
-        operator ==(other) { return true; }
-        get hashCode => throw "Object.hashCode not implemented.";
-        String toString() { return null; }
-        noSuchMethod(im) { throw im; }
-      }''',
-  'StackTrace': 'abstract class StackTrace {}',
-  'String': 'class String implements Pattern {}',
-  'Symbol': '''
-      abstract class Symbol {
-        const factory Symbol(String name) = internal.Symbol;
-      }
-      ''',
-  'Type': 'class Type {}',
-  'Pattern': 'abstract class Pattern {}',
-  '_genericNoSuchMethod': '_genericNoSuchMethod(a,b,c,d,e) {}',
-  '_unresolvedConstructorError': '_unresolvedConstructorError(a,b,c,d,e) {}',
-  '_malformedTypeError': '_malformedTypeError(message) {}',
-};
-
-const Map<String, String> DEFAULT_INTERNAL_LIBRARY = const <String, String>{
-  '<imports>': '''
-import 'dart:core' as core;
-''',
-  'Symbol': '''
-class Symbol implements core.Symbol {
-  final core.String _name;
-
-  const Symbol(this._name);
-  Symbol.validated(this._name);
-}
-''',
-};
-
-const String DEFAULT_PATCH_CORE_SOURCE = r'''
-import 'dart:_js_helper';
-import 'dart:_interceptors';
-import 'dart:async';
-
-@patch
-class LinkedHashMap<K, V> {
-  factory LinkedHashMap._empty() => null;
-  factory LinkedHashMap._literal(elements) => null;
-  static _makeEmpty() => null;
-  static _makeLiteral(elements) => null;
-}
-''';
-
-const Map<String, String> DEFAULT_JS_HELPER_LIBRARY = const <String, String>{
-  'assertTest': 'assertTest(a) {}',
-  'assertThrow': 'assertThrow(a) {}',
-  'assertHelper': 'assertHelper(a) {}',
-  'assertUnreachable': 'assertUnreachable() {}',
-  'assertIsSubtype': 'assertIsSubtype(subtype, supertype, message) {}',
-  'assertSubtype': 'assertSubtype(object, isField, checks, asField) {}',
-  'assertSubtypeOfRuntimeType': 'assertSubtypeOfRuntimeType(object, type) {}',
-  'asyncHelper': 'asyncHelper(object, asyncBody, completer) {}',
-  'boolConversionCheck': 'boolConversionCheck(x) {}',
-  'boolTypeCast': 'boolTypeCast(value) {}',
-  'boolTypeCheck': 'boolTypeCheck(value) {}',
-  'checkSubtype': 'checkSubtype(object, isField, checks, asField) {}',
-  'checkSubtypeOfRuntimeType': 'checkSubtypeOfRuntimeType(o, t) {}',
-  'BoundClosure': r'''abstract class BoundClosure extends Closure {
-    var self;
-    var target;
-    var receiver;
-  }''',
-  'buildFunctionType': r'''buildFunctionType(returnType, parameterTypes,
-                            optionalParameterTypes) {
-            return new RuntimeFunctionType();
-          }''',
-  'buildInterfaceType': '''buildInterfaceType(rti, typeArguments) {
-                             if (rti == null) return new RuntimeTypePlain();
-                             return new RuntimeTypeGeneric();
-                           }''',
-  'buildNamedFunctionType':
-      r'''buildNamedFunctionType(returnType, parameterTypes,
-                                 namedParameters) {
-            return new RuntimeFunctionType();
-          }''',
-  'checkFunctionSubtype':
-      r'''checkFunctionSubtype(var target, String signatureName,
-                               String contextName, var context,
-                               var typeArguments) {}''',
-  'checkMalformedType': 'checkMalformedType(value, message) {}',
-  'checkInt': 'checkInt(value) {}',
-  'checkNum': 'checkNum(value) {}',
-  'checkString': 'checkString(value) {}',
-  'Closure': 'abstract class Closure implements Function { }',
-  'closureFromTearOff':
-      r'''closureFromTearOff(receiver, functions, reflectionInfo,
-                             isStatic, jsArguments, name) {}''',
-  'computeSignature':
-      'computeSignature(var signature, var context, var contextName) {}',
-  'ConstantMap': 'class ConstantMap<K, V> {}',
-  'ConstantProtoMap': 'class ConstantProtoMap<K, V> {}',
-  'ConstantStringMap': 'class ConstantStringMap<K, V> {}',
-  'createInvocationMirror': 'createInvocationMirror(a0, a1, a2, a3, a4, a5) {}',
-  'createRuntimeType': 'createRuntimeType(a) {}',
-  'doubleTypeCast': 'doubleTypeCast(value) {}',
-  'doubleTypeCheck': 'doubleTypeCheck(value) {}',
-  'functionSubtypeCast':
-      r'''functionSubtypeCast(Object object, String signatureName,
-                              String contextName, var context) {}''',
-  'functionTypeTestMetaHelper': r'''
-      functionTypeTestMetaHelper() {
-        buildFunctionType(null, null, null);
-        buildNamedFunctionType(null, null, null);
-        buildInterfaceType(null, null);
-      }''',
-  'functionTypeTest': r'functionTypeTest(f, t) {}',
-  'functionTypeCast': r'functionTypeCast(f, t) { return f; }',
-  'functionTypeCheck': r'functionTypeCheck(f, t) { return f; }',
-  'futureOrTest': r'futureOrTest(f, t) {}',
-  'futureOrCast': r'futureOrCast(f, t) { return f; }',
-  'futureOrCheck': r'futureOrCheck(f, t) { return f; }',
-  'getFallThroughError': 'getFallThroughError() {}',
-  'getIsolateAffinityTag': 'getIsolateAffinityTag(_) {}',
-  'getRuntimeTypeArgumentIntercepted':
-      'getRuntimeTypeArgumentIntercepted(interceptor, target, substitutionName, index) {}',
-  'getRuntimeTypeArgument':
-      'getRuntimeTypeArgument(target, substitutionName, index) {}',
-  'getRuntimeTypeArguments':
-      'getRuntimeTypeArguments(target, substitutionName) {}',
-  'getRuntimeTypeInfo': 'getRuntimeTypeInfo(a) {}',
-  'getTraceFromException': 'getTraceFromException(exception) {}',
-  'getTypeArgumentByIndex': 'getTypeArgumentByIndex(target, index) {}',
-  'GeneralConstantMap': 'class GeneralConstantMap {}',
-  'iae': 'iae(x) { throw x; } ioore(x) { throw x; }',
-  'Instantiation1': 'class Instantiation1<T1> extends Closure {}',
-  'Instantiation2': 'class Instantiation2<T1,T2> extends Closure {}',
-  'Instantiation3': 'class Instantiation3<T1,T2,T3> extends Closure {}',
-  'interceptedTypeCast': 'interceptedTypeCast(value, property) {}',
-  'interceptedTypeCheck': 'interceptedTypeCheck(value, property) {}',
-  'intTypeCast': 'intTypeCast(value) {}',
-  'intTypeCheck': 'intTypeCheck(value) {}',
-  'isJsIndexable': 'isJsIndexable(a, b) {}',
-  'JavaScriptIndexingBehavior': 'abstract class JavaScriptIndexingBehavior {}',
-  'JSInvocationMirror': r'''
-  class JSInvocationMirror {
-    get typeArguments => null;
-  }''',
-  'listSuperNativeTypeCast': 'listSuperNativeTypeCast(value) {}',
-  'listSuperNativeTypeCheck': 'listSuperNativeTypeCheck(value) {}',
-  'listSuperTypeCast': 'listSuperTypeCast(value) {}',
-  'listSuperTypeCheck': 'listSuperTypeCheck(value) {}',
-  'listTypeCast': 'listTypeCast(value) {}',
-  'listTypeCheck': 'listTypeCheck(value) {}',
-  'makeLiteralMap': 'makeLiteralMap(List keyValuePairs) {}',
-  'Native': 'class Native {}',
-  'numberOrStringSuperNativeTypeCast':
-      'numberOrStringSuperNativeTypeCast(value) {}',
-  'numberOrStringSuperNativeTypeCheck':
-      'numberOrStringSuperNativeTypeCheck(value) {}',
-  'numberOrStringSuperTypeCast': 'numberOrStringSuperTypeCast(value) {}',
-  'numberOrStringSuperTypeCheck': 'numberOrStringSuperTypeCheck(value) {}',
-  'numTypeCast': 'numTypeCast(value) {}',
-  'numTypeCheck': 'numTypeCheck(value) {}',
-  '_Patch': 'class _Patch { final tag; const _Patch(this.tag); }',
-  'patch': 'const patch = const _Patch(null);',
-  'patch_full': 'const patch_full = const _Patch("full");',
-  'patch_lazy': 'const patch_lazy = const _Patch("lazy");',
-  'patch_startup': 'const patch_startup = const _Patch("startup");',
-  'propertyTypeCast': 'propertyTypeCast(x) {}',
-  'propertyTypeCheck': 'propertyTypeCheck(value, property) {}',
-  'requiresPreamble': 'requiresPreamble() {}',
-  'RuntimeFunctionType': 'class RuntimeFunctionType {}',
-  'RuntimeTypeGeneric': 'class RuntimeTypeGeneric {}',
-  'RuntimeTypePlain': 'class RuntimeTypePlain {}',
-  'S': 'S() {}',
-  'setRuntimeTypeInfo': 'setRuntimeTypeInfo(a, b) {}',
-  'stringSuperNativeTypeCast': 'stringSuperNativeTypeCast(value) {}',
-  'stringSuperNativeTypeCheck': 'stringSuperNativeTypeCheck(value) {}',
-  'stringSuperTypeCast': 'stringSuperTypeCast(value) {}',
-  'stringSuperTypeCheck': 'stringSuperTypeCheck(value) {}',
-  'stringTypeCast': 'stringTypeCast(x) {}',
-  'stringTypeCheck': 'stringTypeCheck(x) {}',
-  'subtypeCast': 'subtypeCast(object, isField, checks, asField) {}',
-  'subtypeOfRuntimeTypeCast': 'subtypeOfRuntimeTypeCast(object, type) {}',
-  'checkConcurrentModificationError':
-      'checkConcurrentModificationError(collection) {}',
-  'throwConcurrentModificationError':
-      'throwConcurrentModificationError(collection) {}',
-  'throwCyclicInit': 'throwCyclicInit(staticName) {}',
-  'throwExpression': 'throwExpression(e) {}',
-  'throwNoSuchMethod':
-      'throwNoSuchMethod(obj, name, arguments, expectedArgumentNames) {}',
-  'throwUnsupportedError': 'throwUnsupportedError(message) {}',
-  'throwTypeError': 'throwTypeError(message) {}',
-  'unwrapException': 'unwrapException(e) {}',
-  'voidTypeCheck': 'voidTypeCheck(value) {}',
-  'wrapException': 'wrapException(x) { return x; }',
-  'badMain': 'badMain() { throw "bad main"; }',
-  'missingMain': 'missingMain() { throw "missing main"; }',
-  'mainHasTooManyParameters': 'mainHasTooManyParameters() '
-      '{ throw "main has too many parameters"; }',
-};
-
-const Map<String, String> DEFAULT_FOREIGN_HELPER_LIBRARY =
-    const <String, String>{
-  'JS': r'''
-      dynamic JS(String typeDescription, String codeTemplate,
-        [var arg0, var arg1, var arg2, var arg3, var arg4, var arg5, var arg6,
-         var arg7, var arg8, var arg9, var arg10, var arg11]) {}''',
-};
-
-const Map<String, String> DEFAULT_INTERCEPTORS_LIBRARY = const <String, String>{
-  'findIndexForNativeSubclassType': 'findIndexForNativeSubclassType(type) {}',
-  'getDispatchProperty': 'getDispatchProperty(o) {}',
-  'getInterceptor': 'getInterceptor(x) {}',
-  'getNativeInterceptor': 'getNativeInterceptor(x) {}',
-  'initializeDispatchProperty': 'initializeDispatchProperty(f,p,i) {}',
-  'initializeDispatchPropertyCSP': 'initializeDispatchPropertyCSP(f,p,i) {}',
-  'Interceptor': r'''
-      class Interceptor {
-        toString() {}
-        bool operator==(other) => identical(this, other);
-        get hashCode => throw "Interceptor.hashCode not implemented.";
-        noSuchMethod(im) { throw im; }
-      }''',
-  'JSArray': r'''
-          class JSArray<E> extends Interceptor implements List<E>, JSIndexable {
-            JSArray();
-            factory JSArray.typed(a) => a;
-            var length;
-            operator[](index) => this[index];
-            operator[]=(index, value) { this[index] = value; }
-            add(value) { this[length] = value; }
-            insert(index, value) {}
-            E get first => this[0];
-            E get last => this[0];
-            E get single => this[0];
-            E removeLast() => this[0];
-            E removeAt(index) => this[0];
-            E elementAt(index) => this[0];
-            E singleWhere(f) => this[0];
-            Iterator<E> get iterator => null;
-          }''',
-  'JSBool': 'class JSBool extends Interceptor implements bool {}',
-  'JSDouble': 'class JSDouble extends JSNumber implements double {}',
-  'JSExtendableArray': 'class JSExtendableArray extends JSMutableArray {}',
-  'JSFixedArray': 'class JSFixedArray extends JSMutableArray {}',
-  'JSFunction':
-      'abstract class JSFunction extends Interceptor implements Function {}',
-  'JSIndexable': r'''
-      abstract class JSIndexable {
-        get length;
-        operator[](index);
-      }''',
-  'JSInt': r'''
-       class JSInt extends JSNumber implements int {
-         operator~() => this;
-       }''',
-  'JSMutableArray':
-      'class JSMutableArray extends JSArray implements JSMutableIndexable {}',
-  'JSUnmodifiableArray': 'class JSUnmodifiableArray extends JSArray {}',
-  'JSMutableIndexable':
-      'abstract class JSMutableIndexable extends JSIndexable {}',
-  'JSPositiveInt': 'class JSPositiveInt extends JSInt {}',
-  'JSNull': r'''
-      class JSNull extends Interceptor {
-        bool operator==(other) => identical(null, other);
-        get hashCode => throw "JSNull.hashCode not implemented.";
-        String toString() => 'Null';
-        Type get runtimeType => null;
-        noSuchMethod(x) => super.noSuchMethod(x);
-      }''',
-  'JSNumber': r'''
-      class JSNumber extends Interceptor implements num {
-        // All these methods return a number to please type inferencing.
-        operator-() => (this is JSInt) ? 42 : 42.2;
-        operator +(other) => (this is JSInt) ? 42 : 42.2;
-        operator -(other) => (this is JSInt) ? 42 : 42.2;
-        operator ~/(other) => _tdivFast(other);
-        operator /(other) => (this is JSInt) ? 42 : 42.2;
-        operator *(other) => (this is JSInt) ? 42 : 42.2;
-        operator %(other) => (this is JSInt) ? 42 : 42.2;
-        operator <<(other) => _shlPositive(other);
-        operator >>(other) {
-          return _shrBothPositive(other) + _shrReceiverPositive(other) +
-            _shrOtherPositive(other);
-        }
-        operator |(other) => 42;
-        operator &(other) => 42;
-        operator ^(other) => 42;
-
-        operator >(other) => !identical(this, other);
-        operator >=(other) => !identical(this, other);
-        operator <(other) => !identical(this, other);
-        operator <=(other) => !identical(this, other);
-        operator ==(other) => identical(this, other);
-        get hashCode => throw "JSNumber.hashCode not implemented.";
-
-        // We force side effects on _tdivFast to mimic the shortcomings of
-        // the effect analysis: because the `_tdivFast` implementation of
-        // the core library has calls that may not already be analyzed,
-        // the analysis will conclude that `_tdivFast` may have side
-        // effects.
-        _tdivFast(other) => new List()..length = 42;
-        _shlPositive(other) => 42;
-        _shrBothPositive(other) => 42;
-        _shrReceiverPositive(other) => 42;
-        _shrOtherPositive(other) => 42;
-
-        abs() => (this is JSInt) ? 42 : 42.2;
-        remainder(other) => (this is JSInt) ? 42 : 42.2;
-        truncate() => 42;
-      }''',
-  'JSString': r'''
-      class JSString extends Interceptor implements String, JSIndexable {
-        split(pattern) => [];
-        int get length => 42;
-        operator[](index) {}
-        toString() {}
-        operator+(other) => this;
-        codeUnitAt(index) => 42;
-      }''',
-  'JSUInt31': 'class JSUInt31 extends JSUInt32 {}',
-  'JSUInt32': 'class JSUInt32 extends JSPositiveInt {}',
-  'ObjectInterceptor': 'class ObjectInterceptor {}',
-  'JavaScriptObject': 'class JavaScriptObject {}',
-  'PlainJavaScriptObject': 'class PlainJavaScriptObject {}',
-  'UnknownJavaScriptObject': 'class UnknownJavaScriptObject {}',
-  'JavaScriptFunction': 'class JavaScriptFunction {}',
-};
-
-const Map<String, String> DEFAULT_ASYNC_LIBRARY = const <String, String>{
-  'DeferredLibrary': 'class DeferredLibrary {}',
-  'Future': '''
-      class Future<T> {
-        Future.value([value]);
-      }
-      ''',
-  'Stream': 'class Stream<T> {}',
-  'Completer': 'class Completer<T> {}',
-  'StreamIterator': 'class StreamIterator<T> {}',
-};
-
-/// These members are only needed when async/await is used.
-const Map<String, String> ASYNC_AWAIT_LIBRARY = const <String, String>{
-  '_wrapJsFunctionForAsync': '_wrapJsFunctionForAsync(f) {}',
-  '_asyncHelper': '_asyncHelper(o, f, c) {}',
-  '_SyncStarIterable': 'class _SyncStarIterable {}',
-  '_IterationMarker': 'class _IterationMarker {}',
-  '_AsyncStarStreamController': 'class _AsyncStarStreamController {}',
-  '_asyncStarHelper': '_asyncStarHelper(x, y, z) {}',
-  '_streamOfController': '_streamOfController(x) {}',
-};
-
-const String DEFAULT_MIRRORS_SOURCE = r'''
-import 'dart:_js_mirrors' as js;
-class Comment {}
-class MirrorSystem {}
-class MirrorsUsed {
-  final targets;
-  const MirrorsUsed({this.targets});
-}
-void reflectType(Type t) => js.disableTreeShaking();
-''';
-
-const String DEFAULT_JS_MIRRORS_SOURCE = r'''
-disableTreeShaking(){}
-preserveMetadata(){}
-preserveLibraryNames(){}
-''';
diff --git a/tests/web_2/dummy_compiler_test.dart b/tests/web_2/dummy_compiler_test.dart
deleted file mode 100644
index 1f66dca..0000000
--- a/tests/web_2/dummy_compiler_test.dart
+++ /dev/null
@@ -1,70 +0,0 @@
-// 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.
-
-// @dart = 2.7
-
-// Tests that the dart2js compiler can be run in a js engine.  This ensures that
-// the internal compiler APIs have no dependency on dart:io.
-library dummy_compiler;
-
-import 'dart:async';
-
-import 'package:async_helper/async_helper.dart';
-import 'package:compiler/compiler.dart';
-
-import 'mock_libraries.dart';
-
-String libProvider(Uri uri) {
-  if (uri.path.endsWith(".platform")) {
-    return DEFAULT_PLATFORM_CONFIG;
-  }
-  if (uri.path.endsWith("/core.dart")) {
-    return buildLibrarySource(DEFAULT_CORE_LIBRARY);
-  } else if (uri.path.endsWith('core_patch.dart')) {
-    return DEFAULT_PATCH_CORE_SOURCE;
-  } else if (uri.path.endsWith('internal.dart')) {
-    return buildLibrarySource(DEFAULT_INTERNAL_LIBRARY);
-  } else if (uri.path.endsWith('interceptors.dart')) {
-    return buildLibrarySource(DEFAULT_INTERCEPTORS_LIBRARY);
-  } else if (uri.path.endsWith('js_helper.dart')) {
-    return buildLibrarySource(DEFAULT_JS_HELPER_LIBRARY);
-  } else if (uri.path.endsWith('/async.dart')) {
-    return buildLibrarySource(DEFAULT_ASYNC_LIBRARY);
-  } else {
-    return "library lib${uri.path.replaceAll('/', '.')};";
-  }
-}
-
-Future<String> provider(Uri uri) {
-  String source;
-  if (uri.scheme == "main") {
-    source = "main() {}";
-  } else if (uri.scheme == "lib") {
-    source = libProvider(uri);
-  } else {
-    throw "unexpected URI $uri";
-  }
-  return new Future.value(source);
-}
-
-void handler(Uri uri, int begin, int end, String message, Diagnostic kind) {
-  if (uri == null) {
-    print('$kind: $message');
-  } else {
-    print('$uri:$begin:$end: $kind: $message');
-  }
-}
-
-main() {
-  asyncStart();
-  Future<CompilationResult> result = compile(new Uri(scheme: 'main'),
-      new Uri(scheme: 'lib', path: '/'), provider, handler);
-  result.then((CompilationResult result) {
-    if (!result.isSuccess) {
-      throw 'Compilation failed';
-    }
-  }, onError: (e, s) {
-    throw 'Compilation failed: $e\n$s';
-  }).then(asyncSuccess);
-}
diff --git a/tests/web_2/internal/mock_libraries.dart b/tests/web_2/internal/mock_libraries.dart
deleted file mode 100644
index 9aa36ad..0000000
--- a/tests/web_2/internal/mock_libraries.dart
+++ /dev/null
@@ -1,417 +0,0 @@
-// Copyright (c) 2014, 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.
-
-// @dart = 2.7
-
-// Library for creating mock versions of platform and internal libraries.
-
-library mock_libraries;
-
-const DEFAULT_PLATFORM_CONFIG = """
-[libraries]
-core:core/core.dart
-async:async/async.dart
-_js_helper:_internal/js_runtime/lib/js_helper.dart
-_interceptors:_internal/js_runtime/lib/interceptors.dart
-_internal:internal/internal.dart
-""";
-
-String buildLibrarySource(Map<String, String> elementMap,
-    [Map<String, String> additionalElementMap = const <String, String>{}]) {
-  Map<String, String> map = new Map<String, String>.from(elementMap);
-  if (additionalElementMap != null) {
-    map.addAll(additionalElementMap);
-  }
-  StringBuffer sb = new StringBuffer();
-  map.values.forEach((String element) {
-    sb.write('$element\n');
-  });
-  return sb.toString();
-}
-
-const Map<String, String> DEFAULT_CORE_LIBRARY = const <String, String>{
-  '<imports>': '''
-import 'dart:_internal' as internal;
-''',
-  'bool': 'class bool {}',
-  'Comparator': 'abstract class Comparator<T> {}',
-  'DateTime': r'''
-      class DateTime {
-        DateTime(year);
-        DateTime.utc(year);
-      }''',
-  'Deprecated': r'''
-      class Deprecated extends Object {
-        final String expires;
-        const Deprecated(this.expires);
-      }''',
-  'deprecated': 'const Object deprecated = const Deprecated("next release");',
-  'double': r'''
-      abstract class double extends num {
-        static var nan = 0;
-        static parse(s) {}
-      }''',
-  'Function': r'''
-      class Function {
-        static apply(Function fn, List positional, [Map named]) => null;
-      }''',
-  'identical': 'bool identical(Object a, Object b) { return true; }',
-  'int': 'abstract class int extends num { }',
-  'Iterable': '''
-      abstract class Iterable<E> {
-          Iterator<E> get iterator => null;
-      }''',
-  'Iterator': '''
-      abstract class Iterator<E> {
-          E get current => null;
-      }''',
-  'LinkedHashMap': r'''
-      class LinkedHashMap<K, V> implements Map<K, V> {
-      }''',
-  'List': r'''
-      class List<E> extends Iterable<E> {
-        var length;
-        List([length]);
-        List.filled(length, element);
-        E get first => null;
-        E get last => null;
-        E get single => null;
-        E removeLast() => null;
-        E removeAt(i) => null;
-        E elementAt(i) => null;
-        E singleWhere(f) => null;
-      }''',
-  'Map': 'abstract class Map<K,V> {}',
-  'Null': 'class Null {}',
-  'num': r'''
-      abstract class num {
-        operator +(_);
-        operator *(_);
-        operator -();
-      }''',
-  'print': 'print(var obj) {}',
-  'proxy': 'const proxy = 0;',
-  'Object': r'''
-      class Object {
-        const Object();
-        operator ==(other) { return true; }
-        get hashCode => throw "Object.hashCode not implemented.";
-        String toString() { return null; }
-        noSuchMethod(im) { throw im; }
-      }''',
-  'StackTrace': 'abstract class StackTrace {}',
-  'String': 'class String implements Pattern {}',
-  'Symbol': '''
-      abstract class Symbol {
-        const factory Symbol(String name) = internal.Symbol;
-      }
-      ''',
-  'Type': 'class Type {}',
-  'Pattern': 'abstract class Pattern {}',
-  '_genericNoSuchMethod': '_genericNoSuchMethod(a,b,c,d,e) {}',
-  '_unresolvedConstructorError': '_unresolvedConstructorError(a,b,c,d,e) {}',
-  '_malformedTypeError': '_malformedTypeError(message) {}',
-};
-
-const Map<String, String> DEFAULT_INTERNAL_LIBRARY = const <String, String>{
-  '<imports>': '''
-import 'dart:core' as core;
-''',
-  'Symbol': '''
-class Symbol implements core.Symbol {
-  final core.String _name;
-
-  const Symbol(this._name);
-  Symbol.validated(this._name);
-}
-''',
-};
-
-const String DEFAULT_PATCH_CORE_SOURCE = r'''
-import 'dart:_js_helper';
-import 'dart:_interceptors';
-import 'dart:async';
-
-@patch
-class LinkedHashMap<K, V> {
-  factory LinkedHashMap._empty() => null;
-  factory LinkedHashMap._literal(elements) => null;
-  static _makeEmpty() => null;
-  static _makeLiteral(elements) => null;
-}
-''';
-
-const Map<String, String> DEFAULT_JS_HELPER_LIBRARY = const <String, String>{
-  'assertTest': 'assertTest(a) {}',
-  'assertThrow': 'assertThrow(a) {}',
-  'assertHelper': 'assertHelper(a) {}',
-  'assertUnreachable': 'assertUnreachable() {}',
-  'assertSubtype': 'assertSubtype(object, isField, checks, asField) {}',
-  'asyncHelper': 'asyncHelper(object, asyncBody, completer) {}',
-  'boolConversionCheck': 'boolConversionCheck(x) {}',
-  'checkSubtype': 'checkSubtype(object, isField, checks, asField) {}',
-  'BoundClosure': r'''abstract class BoundClosure extends Closure {
-    var self;
-    var target;
-    var receiver;
-  }''',
-  'buildFunctionType': r'''buildFunctionType(returnType, parameterTypes,
-                            optionalParameterTypes) {
-            return new RuntimeFunctionType();
-          }''',
-  'buildInterfaceType': '''buildInterfaceType(rti, typeArguments) {
-                             if (rti == null) return new RuntimeTypePlain();
-                             return new RuntimeTypeGeneric();
-                           }''',
-  'buildNamedFunctionType':
-      r'''buildNamedFunctionType(returnType, parameterTypes,
-                                 namedParameters) {
-            return new RuntimeFunctionType();
-          }''',
-  'checkFunctionSubtype':
-      r'''checkFunctionSubtype(var target, String signatureName,
-                               String contextName, var context,
-                               var typeArguments) {}''',
-  'checkMalformedType': 'checkMalformedType(value, message) {}',
-  'checkInt': 'checkInt(value) {}',
-  'checkNum': 'checkNum(value) {}',
-  'checkString': 'checkString(value) {}',
-  'Closure': 'abstract class Closure implements Function { }',
-  'closureFromTearOff':
-      r'''closureFromTearOff(receiver, functions, reflectionInfo,
-                             isStatic, jsArguments, name) {}''',
-  'computeSignature':
-      'computeSignature(var signature, var context, var contextName) {}',
-  'ConstantMap': 'class ConstantMap<K, V> {}',
-  'ConstantProtoMap': 'class ConstantProtoMap<K, V> {}',
-  'ConstantStringMap': 'class ConstantStringMap<K, V> {}',
-  'createInvocationMirror': 'createInvocationMirror(a0, a1, a2, a3, a4, a5) {}',
-  'createRuntimeType': 'createRuntimeType(a) {}',
-  'functionSubtypeCast':
-      r'''functionSubtypeCast(Object object, String signatureName,
-                              String contextName, var context) {}''',
-  'functionTypeTestMetaHelper': r'''
-      functionTypeTestMetaHelper() {
-        buildFunctionType(null, null, null);
-        buildNamedFunctionType(null, null, null);
-        buildInterfaceType(null, null);
-      }''',
-  'getFallThroughError': 'getFallThroughError() {}',
-  'getIsolateAffinityTag': 'getIsolateAffinityTag(_) {}',
-  'getRuntimeTypeArguments':
-      'getRuntimeTypeArguments(target, substitutionName) {}',
-  'getRuntimeTypeInfo': 'getRuntimeTypeInfo(a) {}',
-  'getTraceFromException': 'getTraceFromException(exception) {}',
-  'GeneralConstantMap': 'class GeneralConstantMap {}',
-  'iae': 'iae(x) { throw x; } ioore(x) { throw x; }',
-  'Instantiation1': 'class Instantiation1<T1> extends Closure {}',
-  'Instantiation2': 'class Instantiation2<T1,T2> extends Closure {}',
-  'Instantiation3': 'class Instantiation3<T1,T2,T3> extends Closure {}',
-  'interceptedTypeCast': 'interceptedTypeCast(value, property) {}',
-  'interceptedTypeCheck': 'interceptedTypeCheck(value, property) {}',
-  'isJsIndexable': 'isJsIndexable(a, b) {}',
-  'JavaScriptIndexingBehavior': 'abstract class JavaScriptIndexingBehavior {}',
-  'JSInvocationMirror': r'''
-  class JSInvocationMirror {
-    get typeArguments => null;
-  }''',
-  'makeLiteralMap': 'makeLiteralMap(List keyValuePairs) {}',
-  'Native': 'class Native {}',
-  '_Patch': 'class _Patch { final tag; const _Patch(this.tag); }',
-  'patch': 'const patch = const _Patch(null);',
-  'patch_full': 'const patch_full = const _Patch("full");',
-  'patch_lazy': 'const patch_lazy = const _Patch("lazy");',
-  'patch_startup': 'const patch_startup = const _Patch("startup");',
-  'requiresPreamble': 'requiresPreamble() {}',
-  'RuntimeFunctionType': 'class RuntimeFunctionType {}',
-  'RuntimeTypeGeneric': 'class RuntimeTypeGeneric {}',
-  'RuntimeTypePlain': 'class RuntimeTypePlain {}',
-  'S': 'S() {}',
-  'setRuntimeTypeInfo': 'setRuntimeTypeInfo(a, b) {}',
-  'subtypeOfRuntimeTypeCast': 'subtypeOfRuntimeTypeCast(object, type) {}',
-  'checkConcurrentModificationError':
-      'checkConcurrentModificationError(collection) {}',
-  'throwConcurrentModificationError':
-      'throwConcurrentModificationError(collection) {}',
-  'throwCyclicInit': 'throwCyclicInit(staticName) {}',
-  'throwExpression': 'throwExpression(e) {}',
-  'throwNoSuchMethod':
-      'throwNoSuchMethod(obj, name, arguments, expectedArgumentNames) {}',
-  'throwUnsupportedError': 'throwUnsupportedError(message) {}',
-  'unwrapException': 'unwrapException(e) {}',
-  'voidTypeCheck': 'voidTypeCheck(value) {}',
-  'wrapException': 'wrapException(x) { return x; }',
-  'badMain': 'badMain() { throw "bad main"; }',
-  'missingMain': 'missingMain() { throw "missing main"; }',
-  'mainHasTooManyParameters': 'mainHasTooManyParameters() '
-      '{ throw "main has too many parameters"; }',
-};
-
-const Map<String, String> DEFAULT_FOREIGN_HELPER_LIBRARY =
-    const <String, String>{
-  'JS': r'''
-      dynamic JS(String typeDescription, String codeTemplate,
-        [var arg0, var arg1, var arg2, var arg3, var arg4, var arg5, var arg6,
-         var arg7, var arg8, var arg9, var arg10, var arg11]) {}''',
-};
-
-const Map<String, String> DEFAULT_INTERCEPTORS_LIBRARY = const <String, String>{
-  'findIndexForNativeSubclassType': 'findIndexForNativeSubclassType(type) {}',
-  'getDispatchProperty': 'getDispatchProperty(o) {}',
-  'getInterceptor': 'getInterceptor(x) {}',
-  'getNativeInterceptor': 'getNativeInterceptor(x) {}',
-  'initializeDispatchProperty': 'initializeDispatchProperty(f,p,i) {}',
-  'initializeDispatchPropertyCSP': 'initializeDispatchPropertyCSP(f,p,i) {}',
-  'Interceptor': r'''
-      class Interceptor {
-        toString() {}
-        bool operator==(other) => identical(this, other);
-        get hashCode => throw "Interceptor.hashCode not implemented.";
-        noSuchMethod(im) { throw im; }
-      }''',
-  'JSArray': r'''
-          class JSArray<E> extends Interceptor implements List<E>, JSIndexable {
-            JSArray();
-            factory JSArray.typed(a) => a;
-            var length;
-            operator[](index) => this[index];
-            operator[]=(index, value) { this[index] = value; }
-            add(value) { this[length] = value; }
-            insert(index, value) {}
-            E get first => this[0];
-            E get last => this[0];
-            E get single => this[0];
-            E removeLast() => this[0];
-            E removeAt(index) => this[0];
-            E elementAt(index) => this[0];
-            E singleWhere(f) => this[0];
-            Iterator<E> get iterator => null;
-          }''',
-  'JSBool': 'class JSBool extends Interceptor implements bool {}',
-  'JSDouble': 'class JSDouble extends JSNumber implements double {}',
-  'JSExtendableArray': 'class JSExtendableArray extends JSMutableArray {}',
-  'JSFixedArray': 'class JSFixedArray extends JSMutableArray {}',
-  'JSFunction':
-      'abstract class JSFunction extends Interceptor implements Function {}',
-  'JSIndexable': r'''
-      abstract class JSIndexable {
-        get length;
-        operator[](index);
-      }''',
-  'JSInt': r'''
-       class JSInt extends JSNumber implements int {
-         operator~() => this;
-       }''',
-  'JSMutableArray':
-      'class JSMutableArray extends JSArray implements JSMutableIndexable {}',
-  'JSUnmodifiableArray': 'class JSUnmodifiableArray extends JSArray {}',
-  'JSMutableIndexable':
-      'abstract class JSMutableIndexable extends JSIndexable {}',
-  'JSPositiveInt': 'class JSPositiveInt extends JSInt {}',
-  'JSNull': r'''
-      class JSNull extends Interceptor {
-        bool operator==(other) => identical(null, other);
-        get hashCode => throw "JSNull.hashCode not implemented.";
-        String toString() => 'Null';
-        Type get runtimeType => null;
-        noSuchMethod(x) => super.noSuchMethod(x);
-      }''',
-  'JSNumber': r'''
-      class JSNumber extends Interceptor implements num {
-        // All these methods return a number to please type inferencing.
-        operator-() => (this is JSInt) ? 42 : 42.2;
-        operator +(other) => (this is JSInt) ? 42 : 42.2;
-        operator -(other) => (this is JSInt) ? 42 : 42.2;
-        operator ~/(other) => _tdivFast(other);
-        operator /(other) => (this is JSInt) ? 42 : 42.2;
-        operator *(other) => (this is JSInt) ? 42 : 42.2;
-        operator %(other) => (this is JSInt) ? 42 : 42.2;
-        operator <<(other) => _shlPositive(other);
-        operator >>(other) {
-          return _shrBothPositive(other) + _shrReceiverPositive(other) +
-            _shrOtherPositive(other);
-        }
-        operator |(other) => 42;
-        operator &(other) => 42;
-        operator ^(other) => 42;
-
-        operator >(other) => !identical(this, other);
-        operator >=(other) => !identical(this, other);
-        operator <(other) => !identical(this, other);
-        operator <=(other) => !identical(this, other);
-        operator ==(other) => identical(this, other);
-        get hashCode => throw "JSNumber.hashCode not implemented.";
-
-        // We force side effects on _tdivFast to mimic the shortcomings of
-        // the effect analysis: because the `_tdivFast` implementation of
-        // the core library has calls that may not already be analyzed,
-        // the analysis will conclude that `_tdivFast` may have side
-        // effects.
-        _tdivFast(other) => new List()..length = 42;
-        _shlPositive(other) => 42;
-        _shrBothPositive(other) => 42;
-        _shrReceiverPositive(other) => 42;
-        _shrOtherPositive(other) => 42;
-
-        abs() => (this is JSInt) ? 42 : 42.2;
-        remainder(other) => (this is JSInt) ? 42 : 42.2;
-        truncate() => 42;
-      }''',
-  'JSString': r'''
-      class JSString extends Interceptor implements String, JSIndexable {
-        split(pattern) => [];
-        int get length => 42;
-        operator[](index) {}
-        toString() {}
-        operator+(other) => this;
-        codeUnitAt(index) => 42;
-      }''',
-  'JSUInt31': 'class JSUInt31 extends JSUInt32 {}',
-  'JSUInt32': 'class JSUInt32 extends JSPositiveInt {}',
-  'ObjectInterceptor': 'class ObjectInterceptor {}',
-  'JavaScriptObject': 'class JavaScriptObject {}',
-  'PlainJavaScriptObject': 'class PlainJavaScriptObject {}',
-  'UnknownJavaScriptObject': 'class UnknownJavaScriptObject {}',
-  'JavaScriptFunction': 'class JavaScriptFunction {}',
-};
-
-const Map<String, String> DEFAULT_ASYNC_LIBRARY = const <String, String>{
-  'DeferredLibrary': 'class DeferredLibrary {}',
-  'Future': '''
-      class Future<T> {
-        Future.value([value]);
-      }
-      ''',
-  'Stream': 'class Stream<T> {}',
-  'Completer': 'class Completer<T> {}',
-  'StreamIterator': 'class StreamIterator<T> {}',
-};
-
-/// These members are only needed when async/await is used.
-const Map<String, String> ASYNC_AWAIT_LIBRARY = const <String, String>{
-  '_wrapJsFunctionForAsync': '_wrapJsFunctionForAsync(f) {}',
-  '_asyncHelper': '_asyncHelper(o, f, c) {}',
-  '_SyncStarIterable': 'class _SyncStarIterable {}',
-  '_IterationMarker': 'class _IterationMarker {}',
-  '_AsyncStarStreamController': 'class _AsyncStarStreamController {}',
-  '_asyncStarHelper': '_asyncStarHelper(x, y, z) {}',
-  '_streamOfController': '_streamOfController(x) {}',
-};
-
-const String DEFAULT_MIRRORS_SOURCE = r'''
-import 'dart:_js_mirrors' as js;
-class Comment {}
-class MirrorSystem {}
-class MirrorsUsed {
-  final targets;
-  const MirrorsUsed({this.targets});
-}
-void reflectType(Type t) => js.disableTreeShaking();
-''';
-
-const String DEFAULT_JS_MIRRORS_SOURCE = r'''
-disableTreeShaking(){}
-preserveMetadata(){}
-preserveLibraryNames(){}
-''';