Implement modular compilation

test/codegen/expect/expect.js

 dart_library.library('expect', null, /* Imports */[
-  'dart/_runtime',
-  'dart/core'
-], /* Lazy imports */[
-], function(exports, dart, core) {
+  'dart_sdk'
+], function(exports, dart_sdk) {
   'use strict';
-  let dartx = dart.dartx;
-  class Expect extends core.Object {
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect = Object.create(null);
+  expect.Expect = class Expect extends core.Object {
     static _truncateString(string, start, end, length) {
       if (dart.notNull(end) - dart.notNull(start) > dart.notNull(length)) {
         end = dart.notNull(start) + dart.notNull(length);
       } else if (dart.notNull(end) - dart.notNull(start) < dart.notNull(length)) {
         let overflow = dart.notNull(length) - (dart.notNull(end) - dart.notNull(start));
         if (overflow > 10) overflow = 10;
         start = dart.notNull(start) - ((overflow + 1) / 2)[dartx.truncate]();
         end = dart.notNull(end) + (overflow / 2)[dartx.truncate]();
         if (dart.notNull(start) < 0) start = 0;
         if (dart.notNull(end) > dart.notNull(string[dartx.length])) end = string[dartx.length];
@@ skipping 18 matching lines @@
       if (dart.notNull(expected[dartx.length]) < 20 && dart.notNull(actual[dartx.length]) < 20) return null;
       for (let i = 0; i < dart.notNull(expected[dartx.length]) && i < dart.notNull(actual[dartx.length]); i++) {
         if (expected[dartx.codeUnitAt](i) != actual[dartx.codeUnitAt](i)) {
           let start = i;
           i++;
           while (i < dart.notNull(expected[dartx.length]) && i < dart.notNull(actual[dartx.length])) {
             if (expected[dartx.codeUnitAt](i) == actual[dartx.codeUnitAt](i)) break;
             i++;
           }
           let end = i;
-          let truncExpected = Expect._truncateString(expected, start, end, 20);
-          let truncActual = Expect._truncateString(actual, start, end, 20);
+          let truncExpected = expect.Expect._truncateString(expected, start, end, 20);
+          let truncActual = expect.Expect._truncateString(actual, start, end, 20);
           return `at index ${start}: Expected <${truncExpected}>, ` + `Found: <${truncActual}>`;
         }
       }
       return null;
     }
     static equals(expected, actual, reason) {
       if (reason === void 0) reason = null;
       if (dart.equals(expected, actual)) return;
-      let msg = Expect._getMessage(reason);
+      let msg = expect.Expect._getMessage(reason);
       if (typeof expected == 'string' && typeof actual == 'string') {
-        let stringDifference = Expect._stringDifference(expected, actual);
+        let stringDifference = expect.Expect._stringDifference(expected, actual);
         if (stringDifference != null) {
-          Expect._fail(`Expect.equals(${stringDifference}${msg}) fails.`);
+          expect.Expect._fail(`Expect.equals(${stringDifference}${msg}) fails.`);
         }
       }
-      Expect._fail(`Expect.equals(expected: <${expected}>, actual: <${actual}>${msg}) fails.`);
+      expect.Expect._fail(`Expect.equals(expected: <${expected}>, actual: <${actual}>${msg}) fails.`);
     }
     static isTrue(actual, reason) {
       if (reason === void 0) reason = null;
-      if (dart.notNull(_identical(actual, true))) return;
-      let msg = Expect._getMessage(reason);
-      Expect._fail(`Expect.isTrue(${actual}${msg}) fails.`);
+      if (dart.notNull(expect._identical(actual, true))) return;
+      let msg = expect.Expect._getMessage(reason);
+      expect.Expect._fail(`Expect.isTrue(${actual}${msg}) fails.`);
     }
     static isFalse(actual, reason) {
       if (reason === void 0) reason = null;
-      if (dart.notNull(_identical(actual, false))) return;
-      let msg = Expect._getMessage(reason);
-      Expect._fail(`Expect.isFalse(${actual}${msg}) fails.`);
+      if (dart.notNull(expect._identical(actual, false))) return;
+      let msg = expect.Expect._getMessage(reason);
+      expect.Expect._fail(`Expect.isFalse(${actual}${msg}) fails.`);
     }
     static isNull(actual, reason) {
       if (reason === void 0) reason = null;
       if (null == actual) return;
-      let msg = Expect._getMessage(reason);
-      Expect._fail(`Expect.isNull(actual: <${actual}>${msg}) fails.`);
+      let msg = expect.Expect._getMessage(reason);
+      expect.Expect._fail(`Expect.isNull(actual: <${actual}>${msg}) fails.`);
     }
     static isNotNull(actual, reason) {
       if (reason === void 0) reason = null;
       if (null != actual) return;
-      let msg = Expect._getMessage(reason);
-      Expect._fail(`Expect.isNotNull(actual: <${actual}>${msg}) fails.`);
+      let msg = expect.Expect._getMessage(reason);
+      expect.Expect._fail(`Expect.isNotNull(actual: <${actual}>${msg}) fails.`);
     }
     static identical(expected, actual, reason) {
       if (reason === void 0) reason = null;
-      if (dart.notNull(_identical(expected, actual))) return;
-      let msg = Expect._getMessage(reason);
-      Expect._fail(`Expect.identical(expected: <${expected}>, actual: <${actual}>${msg}) ` + "fails.");
+      if (dart.notNull(expect._identical(expected, actual))) return;
+      let msg = expect.Expect._getMessage(reason);
+      expect.Expect._fail(`Expect.identical(expected: <${expected}>, actual: <${actual}>${msg}) ` + "fails.");
     }
     static fail(msg) {
-      Expect._fail(`Expect.fail('${msg}')`);
+      expect.Expect._fail(`Expect.fail('${msg}')`);
     }
     static approxEquals(expected, actual, tolerance, reason) {
       if (tolerance === void 0) tolerance = null;
       if (reason === void 0) reason = null;
       if (tolerance == null) {
         tolerance = (dart.notNull(expected) / 10000.0)[dartx.abs]();
       }
       if (dart.notNull((dart.notNull(expected) - dart.notNull(actual))[dartx.abs]()) <= dart.notNull(tolerance)) return;
-      let msg = Expect._getMessage(reason);
-      Expect._fail(`Expect.approxEquals(expected:<${expected}>, actual:<${actual}>, ` + `tolerance:<${tolerance}>${msg}) fails`);
+      let msg = expect.Expect._getMessage(reason);
+      expect.Expect._fail(`Expect.approxEquals(expected:<${expected}>, actual:<${actual}>, ` + `tolerance:<${tolerance}>${msg}) fails`);
     }
     static notEquals(unexpected, actual, reason) {
       if (reason === void 0) reason = null;
       if (!dart.equals(unexpected, actual)) return;
-      let msg = Expect._getMessage(reason);
-      Expect._fail(`Expect.notEquals(unexpected: <${unexpected}>, actual:<${actual}>${msg}) ` + "fails.");
+      let msg = expect.Expect._getMessage(reason);
+      expect.Expect._fail(`Expect.notEquals(unexpected: <${unexpected}>, actual:<${actual}>${msg}) ` + "fails.");
     }
     static listEquals(expected, actual, reason) {
       if (reason === void 0) reason = null;
-      let msg = Expect._getMessage(reason);
+      let msg = expect.Expect._getMessage(reason);
       let n = dart.notNull(expected[dartx.length]) < dart.notNull(actual[dartx.length]) ? expected[dartx.length] : actual[dartx.length];
       for (let i = 0; i < dart.notNull(n); i++) {
         if (!dart.equals(expected[dartx.get](i), actual[dartx.get](i))) {
-          Expect._fail(`Expect.listEquals(at index ${i}, ` + `expected: <${expected[dartx.get](i)}>, actual: <${actual[dartx.get](i)}>${msg}) fails`);
+          expect.Expect._fail(`Expect.listEquals(at index ${i}, ` + `expected: <${expected[dartx.get](i)}>, actual: <${actual[dartx.get](i)}>${msg}) fails`);
         }
       }
       if (expected[dartx.length] != actual[dartx.length]) {
-        Expect._fail('Expect.listEquals(list length, ' + `expected: <${expected[dartx.length]}>, actual: <${actual[dartx.length]}>${msg}) ` + 'fails: Next element <' + `${dart.notNull(expected[dartx.length]) > dart.notNull(n) ? expected[dartx.get](n) : actual[dartx.get](n)}>`);
+        expect.Expect._fail('Expect.listEquals(list length, ' + `expected: <${expected[dartx.length]}>, actual: <${actual[dartx.length]}>${msg}) ` + 'fails: Next element <' + `${dart.notNull(expected[dartx.length]) > dart.notNull(n) ? expected[dartx.get](n) : actual[dartx.get](n)}>`);
       }
     }
     static mapEquals(expected, actual, reason) {
       if (reason === void 0) reason = null;
-      let msg = Expect._getMessage(reason);
+      let msg = expect.Expect._getMessage(reason);
       for (let key of expected[dartx.keys]) {
         if (!dart.notNull(actual[dartx.containsKey](key))) {
-          Expect._fail(`Expect.mapEquals(missing expected key: <${key}>${msg}) fails`);
+          expect.Expect._fail(`Expect.mapEquals(missing expected key: <${key}>${msg}) fails`);
         }
-        Expect.equals(expected[dartx.get](key), actual[dartx.get](key));
+        expect.Expect.equals(expected[dartx.get](key), actual[dartx.get](key));
       }
       for (let key of actual[dartx.keys]) {
         if (!dart.notNull(expected[dartx.containsKey](key))) {
-          Expect._fail(`Expect.mapEquals(unexpected key: <${key}>${msg}) fails`);
+          expect.Expect._fail(`Expect.mapEquals(unexpected key: <${key}>${msg}) fails`);
         }
       }
     }
     static stringEquals(expected, actual, reason) {
       if (reason === void 0) reason = null;
       if (expected == actual) return;
-      let msg = Expect._getMessage(reason);
+      let msg = expect.Expect._getMessage(reason);
       let defaultMessage = `Expect.stringEquals(expected: <${expected}>", <${actual}>${msg}) fails`;
       if (expected == null || actual == null) {
-        Expect._fail(`${defaultMessage}`);
+        expect.Expect._fail(`${defaultMessage}`);
       }
       let left = 0;
       let right = 0;
       let eLen = expected[dartx.length];
       let aLen = actual[dartx.length];
       while (true) {
         if (left == eLen || left == aLen || expected[dartx.get](left) != actual[dartx.get](left)) {
           break;
         }
         left++;
@@ skipping 15 matching lines @@
         eSnippet = dart.notNull(eSnippet[dartx.substring](0, 20)) + "..." + dart.notNull(eSnippet[dartx.substring](dart.notNull(eSnippet[dartx.length]) - 20));
       }
       if (dart.notNull(aSnippet[dartx.length]) > 43) {
         aSnippet = dart.notNull(aSnippet[dartx.substring](0, 20)) + "..." + dart.notNull(aSnippet[dartx.substring](dart.notNull(aSnippet[dartx.length]) - 20));
       }
       let leftLead = "...";
       let rightTail = "...";
       if (left <= 10) leftLead = "";
       if (right <= 10) rightTail = "";
       let diff = `\nDiff (${left}..${dart.notNull(eLen) - right}/${dart.notNull(aLen) - right}):\n` + `${leftLead}${leftSnippet}[ ${eSnippet} ]${rightSnippet}${rightTail}\n` + `${leftLead}${leftSnippet}[ ${aSnippet} ]${rightSnippet}${rightTail}`;
-      Expect._fail(`${defaultMessage}${diff}`);
+      expect.Expect._fail(`${defaultMessage}${diff}`);
     }
     static setEquals(expected, actual, reason) {
       if (reason === void 0) reason = null;
       let missingSet = core.Set.from(expected);
       missingSet.removeAll(actual);
       let extraSet = core.Set.from(actual);
       extraSet.removeAll(expected);
       if (dart.notNull(extraSet.isEmpty) && dart.notNull(missingSet.isEmpty)) return;
-      let msg = Expect._getMessage(reason);
+      let msg = expect.Expect._getMessage(reason);
       let sb = new core.StringBuffer(`Expect.setEquals(${msg}) fails`);
       if (!dart.notNull(missingSet.isEmpty)) {
         sb.write('\nExpected collection does not contain: ');
       }
       for (let val of missingSet) {
         sb.write(`${val} `);
       }
       if (!dart.notNull(extraSet.isEmpty)) {
         sb.write('\nExpected collection should not contain: ');
       }
       for (let val of extraSet) {
         sb.write(`${val} `);
       }
-      Expect._fail(sb.toString());
+      expect.Expect._fail(sb.toString());
     }
     static throws(f, check, reason) {
       if (check === void 0) check = null;
       if (reason === void 0) reason = null;
       let msg = reason == null ? "" : `(${reason})`;
-      if (!dart.is(f, _Nullary)) {
-        Expect._fail(`Expect.throws${msg}: Function f not callable with zero arguments`);
+      if (!dart.is(f, expect._Nullary)) {
+        expect.Expect._fail(`Expect.throws${msg}: Function f not callable with zero arguments`);
       }
       try {
         f();
       } catch (e) {
         let s = dart.stackTrace(e);
         if (check != null) {
           if (!dart.notNull(dart.dcall(check, e))) {
-            Expect._fail(`Expect.throws${msg}: Unexpected '${e}'\n${s}`);
+            expect.Expect._fail(`Expect.throws${msg}: Unexpected '${e}'\n${s}`);
           }
         }
         return;
       }
 
-      Expect._fail(`Expect.throws${msg} fails: Did not throw`);
+      expect.Expect._fail(`Expect.throws${msg} fails: Did not throw`);
     }
     static _getMessage(reason) {
       return reason == null ? "" : `, '${reason}'`;
     }
     static _fail(message) {
-      dart.throw(new ExpectException(message));
+      dart.throw(new expect.ExpectException(message));
     }
-  }
-  dart.setSignature(Expect, {
+  };
+  dart.setSignature(expect.Expect, {
     statics: () => ({
       _truncateString: [core.String, [core.String, core.int, core.int, core.int]],
       _stringDifference: [core.String, [core.String, core.String]],
       equals: [dart.void, [dart.dynamic, dart.dynamic], [core.String]],
       isTrue: [dart.void, [dart.dynamic], [core.String]],
       isFalse: [dart.void, [dart.dynamic], [core.String]],
       isNull: [dart.void, [dart.dynamic], [core.String]],
       isNotNull: [dart.void, [dart.dynamic], [core.String]],
       identical: [dart.void, [dart.dynamic, dart.dynamic], [core.String]],
       fail: [dart.void, [core.String]],
       approxEquals: [dart.void, [core.num, core.num], [core.num, core.String]],
       notEquals: [dart.void, [dart.dynamic, dart.dynamic], [core.String]],
       listEquals: [dart.void, [core.List, core.List], [core.String]],
       mapEquals: [dart.void, [core.Map, core.Map], [core.String]],
       stringEquals: [dart.void, [core.String, core.String], [core.String]],
       setEquals: [dart.void, [core.Iterable, core.Iterable], [core.String]],
-      throws: [dart.void, [dart.functionType(dart.void, [])], [_CheckExceptionFn, core.String]],
+      throws: [dart.void, [dart.functionType(dart.void, [])], [expect._CheckExceptionFn, core.String]],
       _getMessage: [core.String, [core.String]],
       _fail: [dart.void, [core.String]]
     }),
     names: ['_truncateString', '_stringDifference', 'equals', 'isTrue', 'isFalse', 'isNull', 'isNotNull', 'identical', 'fail', 'approxEquals', 'notEquals', 'listEquals', 'mapEquals', 'stringEquals', 'setEquals', 'throws', '_getMessage', '_fail']
   });
-  function _identical(a, b) {
+  expect._identical = function(a, b) {
     return core.identical(a, b);
-  }
-  dart.fn(_identical, core.bool, [dart.dynamic, dart.dynamic]);
-  const _CheckExceptionFn = dart.typedef('_CheckExceptionFn', () => dart.functionType(core.bool, [dart.dynamic]));
-  const _Nullary = dart.typedef('_Nullary', () => dart.functionType(dart.dynamic, []));
-  class ExpectException extends core.Object {
+  };
+  dart.fn(expect._identical, core.bool, [dart.dynamic, dart.dynamic]);
+  expect._CheckExceptionFn = dart.typedef('_CheckExceptionFn', () => dart.functionType(core.bool, [dart.dynamic]));
+  expect._Nullary = dart.typedef('_Nullary', () => dart.functionType(dart.dynamic, []));
+  expect.ExpectException = class ExpectException extends core.Object {
     ExpectException(message) {
       this.message = message;
     }
     toString() {
       return this.message;
     }
-  }
-  ExpectException[dart.implements] = () => [core.Exception];
-  dart.setSignature(ExpectException, {
-    constructors: () => ({ExpectException: [ExpectException, [core.String]]})
+  };
+  expect.ExpectException[dart.implements] = () => [core.Exception];
+  dart.setSignature(expect.ExpectException, {
+    constructors: () => ({ExpectException: [expect.ExpectException, [core.String]]})
   });
-  class NoInline extends core.Object {
+  expect.NoInline = class NoInline extends core.Object {
     NoInline() {
     }
-  }
-  dart.setSignature(NoInline, {
-    constructors: () => ({NoInline: [NoInline, []]})
+  };
+  dart.setSignature(expect.NoInline, {
+    constructors: () => ({NoInline: [expect.NoInline, []]})
   });
-  class TrustTypeAnnotations extends core.Object {
+  expect.TrustTypeAnnotations = class TrustTypeAnnotations extends core.Object {
     TrustTypeAnnotations() {
     }
-  }
-  dart.setSignature(TrustTypeAnnotations, {
-    constructors: () => ({TrustTypeAnnotations: [TrustTypeAnnotations, []]})
+  };
+  dart.setSignature(expect.TrustTypeAnnotations, {
+    constructors: () => ({TrustTypeAnnotations: [expect.TrustTypeAnnotations, []]})
   });
-  class AssumeDynamic extends core.Object {
+  expect.AssumeDynamic = class AssumeDynamic extends core.Object {
     AssumeDynamic() {
     }
-  }
-  dart.setSignature(AssumeDynamic, {
-    constructors: () => ({AssumeDynamic: [AssumeDynamic, []]})
+  };
+  dart.setSignature(expect.AssumeDynamic, {
+    constructors: () => ({AssumeDynamic: [expect.AssumeDynamic, []]})
   });
   // Exports:
-  exports.Expect = Expect;
-  exports.ExpectException = ExpectException;
-  exports.NoInline = NoInline;
-  exports.TrustTypeAnnotations = TrustTypeAnnotations;
-  exports.AssumeDynamic = AssumeDynamic;
+  exports.expect = expect;
 });