lrn@google.com
d0145b687f
Review URL: https://chromiumcodereview.appspot.com//10855262 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@11036 260f80e4-7a28-3924-810f-c04153c831b5
110 lines
3.1 KiB
Dart
110 lines
3.1 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#import("../../../lib/compiler/implementation/leg.dart");
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#import("../../../lib/compiler/implementation/elements/elements.dart");
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#import("../../../lib/compiler/implementation/tree/tree.dart");
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#import("../../../lib/compiler/implementation/util/util.dart");
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#import("mock_compiler.dart");
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#import("parser_helper.dart");
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#import("dart:uri");
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Compiler applyPatch(String script, String patch) {
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String core = "$DEFAULT_CORELIB\n$script";
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MockCompiler compiler = new MockCompiler(coreSource: core);
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var uri = new Uri("core.dartp");
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compiler.sourceFiles[uri.toString()] = new MockFile(patch);
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compiler.patchParser.patchLibrary(uri, compiler.coreLibrary);
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return compiler;
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}
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Element ensure(compiler,
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String name,
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Element lookup(name),
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[bool isPatched = true,
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bool hasBody = false,
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bool isGetter = false]) {
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var element = lookup(buildSourceString(name));
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Expect.isNotNull(element);
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if (isGetter) {
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Expect.isTrue(element is AbstractFieldElement);
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Expect.isNotNull(element.getter);
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element = element.getter;
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}
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if (element is! ContainerElement &&
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element is! AbstractFieldElement) {
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// Classes aren't patched like functions and variables are.
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Expect.equals(isPatched, element.isPatched);
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}
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if (hasBody) {
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var node = element.parseNode(compiler);
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Expect.isNotNull(node, "Element isn't parseable, when a body was expected");
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Expect.isNotNull(node.body, "expected body, bot none found");
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}
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return element;
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}
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testPatchFunction() {
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var compiler = applyPatch(
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"external test();",
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"patch test() { return 'string'; } ");
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ensure(compiler, "test", compiler.coreLibrary.find, hasBody: true);
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}
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testPatchMember() {
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var compiler = applyPatch(
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"""
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class Class {
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external String toString();
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}
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""",
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"""
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patch class Class {
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patch String toString() => 'string';
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}
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""");
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var container = ensure(compiler, "Class", compiler.coreLibrary.find);
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container.parseNode(compiler);
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ensure(compiler, "toString", container.lookupLocalMember, hasBody:true);
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}
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testPatchGetter() {
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var compiler = applyPatch(
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"""
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class Class {
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external int get field();
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}
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""",
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"""
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patch class Class {
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patch int get field() => 5;
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}
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""");
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var container = ensure(compiler, "Class", compiler.coreLibrary.find);
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container.parseNode(compiler);
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ensure(compiler,
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"field",
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container.lookupLocalMember,
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isGetter: true,
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hasBody: true);
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}
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testInjectFunction() {
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var compiler = applyPatch(
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"",
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"int _function() => 5;");
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ensure(compiler,
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"_function",
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compiler.coreLibrary.find,
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hasBody: true,
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isPatched: false);
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}
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main() {
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testPatchFunction();
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testPatchMember();
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testPatchGetter();
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testInjectFunction();
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}
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