Move flat_buffer and api_signature into front_end.

pkg/analyzer/test/src/summary/api_signature_test.dart

-// Copyright (c) 2016, 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 test.src.summary.api_signature_test;
-
-import 'package:analyzer/src/summary/api_signature.dart';
-import 'package:analyzer/src/summary/format.dart';
-import 'package:convert/convert.dart';
-import 'package:crypto/crypto.dart';
-import 'package:test/test.dart';
-import 'package:test_reflective_loader/test_reflective_loader.dart';
-
-main() {
-  defineReflectiveSuite(() {
-    defineReflectiveTests(ApiSignatureTest);
-  });
-}
-
-@reflectiveTest
-class ApiSignatureTest {
-  ApiSignature sig = new ApiSignature.unversioned();
-
-  void checkBytes(List<int> bytes) {
-    expect(sig.getBytes_forDebug(), bytes);
-    expect(sig.toHex(), hex.encode(md5.convert(bytes).bytes));
-  }
-
-  String signUnlinkedCombinator(UnlinkedCombinatorBuilder combinator) {
-    ApiSignature sig = new ApiSignature();
-    combinator.collectApiSignature(sig);
-    return sig.toHex();
-  }
-
-  void test_addBool() {
-    sig.addBool(true);
-    sig.addBool(true);
-    sig.addBool(false);
-    sig.addBool(true);
-    sig.addBool(false);
-    sig.addBool(false);
-    sig.addBool(true);
-    sig.addBool(false);
-    checkBytes([1, 1, 0, 1, 0, 0, 1, 0]);
-  }
-
-  void test_addBytes() {
-    // Check that offset works correctly by adding bytes in 2 chunks.
-    sig.addBytes([1, 2, 3, 4, 5]);
-    sig.addBytes([0xff, 0xfe, 0xfd, 0xfc, 0xfb]);
-    checkBytes([1, 2, 3, 4, 5, 0xff, 0xfe, 0xfd, 0xfc, 0xfb]);
-  }
-
-  void test_addDouble() {
-    sig.addDouble(1.0 / 3.0);
-    sig.addDouble(-1.0);
-    checkBytes([85, 85, 85, 85, 85, 85, 213, 63, 0, 0, 0, 0, 0, 0, 240, 191]);
-  }
-
-  void test_addInt() {
-    sig.addInt(1);
-    sig.addInt(1000);
-    sig.addInt(1000000);
-    sig.addInt(1000000000);
-    checkBytes(
-        [1, 0, 0, 0, 0xe8, 3, 0, 0, 0x40, 0x42, 0xf, 0, 0, 0xca, 0x9a, 0x3b]);
-  }
-
-  void test_addString() {
-    sig.addString('abc');
-    sig.addString('\u00f8');
-    checkBytes([3, 0, 0, 0, 0x61, 0x62, 0x63, 2, 0, 0, 0, 0xc3, 0xb8]);
-  }
-
-  void test_excludesInformative() {
-    // Verify that API signatures exclude informative data by checking that two
-    // UnlinkedCombinator instances that differ only in their offset result in
-    // the same signature.
-    UnlinkedCombinatorBuilder combinator1 =
-        new UnlinkedCombinatorBuilder(shows: ['foo'], offset: 1);
-    UnlinkedCombinatorBuilder combinator2 =
-        new UnlinkedCombinatorBuilder(shows: ['foo'], offset: 2);
-    expect(signUnlinkedCombinator(combinator1),
-        signUnlinkedCombinator(combinator2));
-  }
-
-  void test_includesSemantic() {
-    // Verify that API signatures include semantic data by checking that two
-    // UnlinkedCombinator instances that differ only in their "shows" lists
-    // result in different signatures.
-    UnlinkedCombinatorBuilder combinator1 =
-        new UnlinkedCombinatorBuilder(shows: ['foo'], offset: 1);
-    UnlinkedCombinatorBuilder combinator2 =
-        new UnlinkedCombinatorBuilder(shows: ['bar'], offset: 1);
-    expect(signUnlinkedCombinator(combinator1),
-        isNot(signUnlinkedCombinator(combinator2)));
-  }
-
-  void test_manyInts() {
-    // This verifies that the logic to extend the internal buffer works
-    // properly.
-    List<int> expectedResult = [];
-    for (int i = 0; i < 100000; i++) {
-      sig.addInt(i);
-      expectedResult.add(i % 0x100);
-      expectedResult.add((i ~/ 0x100) % 0x100);
-      expectedResult.add((i ~/ 0x10000) % 0x100);
-      expectedResult.add((i ~/ 0x1000000) % 0x100);
-    }
-    checkBytes(expectedResult);
-  }
-}