Start cleaning up the HTML tests.

pkg/dev_compiler/test/codegen/expect.dart

Index: pkg/dev_compiler/test/codegen/expect.dart
diff --git a/pkg/dev_compiler/test/codegen/expect.dart b/pkg/dev_compiler/test/codegen/expect.dart
deleted file mode 100644
index 555aee8384e9ea22029e0441dcd7bab2b487ade8..0000000000000000000000000000000000000000
--- a/pkg/dev_compiler/test/codegen/expect.dart
+++ /dev/null
@@ -1,475 +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.
-
-/**
- * This library contains an Expect class with static methods that can be used
- * for simple unit-tests.
- */
-library expect;
-
-/**
- * Expect is used for tests that do not want to make use of the
- * Dart unit test library - for example, the core language tests.
- * Third parties are discouraged from using this, and should use
- * the expect() function in the unit test library instead for
- * test assertions.
- */
-class Expect {
-  /**
-   * Return a slice of a string.
-   *
-   * The slice will contain at least the substring from [start] to the lower of
-   * [end] and `start + length`.
-   * If the result is no more than `length - 10` characters long,
-   * context may be added by extending the range of the slice, by decreasing
-   * [start] and increasing [end], up to at most length characters.
-   * If the start or end of the slice are not matching the start or end of
-   * the string, ellipses are added before or after the slice.
-   * Control characters may be encoded as "\xhh" codes.
-   */
-  static String _truncateString(String string, int start, int end, int length) {
-    if (end - start > length) {
-      end = start + length;
-    } else if (end - start < length) {
-      int overflow = length - (end - start);
-      if (overflow > 10) overflow = 10;
-      // Add context.
-      start = start - ((overflow + 1) ~/ 2);
-      end = end + (overflow ~/ 2);
-      if (start < 0) start = 0;
-      if (end > string.length) end = string.length;
-    }
-    if (start == 0 && end == string.length) return string;
-    StringBuffer buf = new StringBuffer();
-    if (start > 0) buf.write("...");
-    for (int i = start; i < end; i++) {
-      int code = string.codeUnitAt(i);
-      if (code < 0x20) {
-        buf.write(r"\x");
-        buf.write("0123456789abcdef"[code ~/ 16]);
-        buf.write("0123456789abcdef"[code % 16]);
-      } else {
-        buf.writeCharCode(string.codeUnitAt(i));
-      }
-    }
-    if (end < string.length) buf.write("...");
-    return buf.toString();
-  }
-
-  /**
-   * Find the difference between two strings.
-   *
-   * This finds the first point where two strings differ, and returns
-   * a text describing the difference.
-   *
-   * For small strings (length less than 20) nothing is done, and null is
-   * returned. Small strings can be compared visually, but for longer strings
-   * only a slice containing the first difference will be shown.
-   */
-  static String _stringDifference(String expected, String actual) {
-    if (expected.length < 20 && actual.length < 20) return null;
-    for (int i = 0; i < expected.length && i < actual.length; i++) {
-      if (expected.codeUnitAt(i) != actual.codeUnitAt(i)) {
-        int start = i;
-        i++;
-        while (i < expected.length && i < actual.length) {
-          if (expected.codeUnitAt(i) == actual.codeUnitAt(i)) break;
-          i++;
-        }
-        int end = i;
-        var truncExpected = _truncateString(expected, start, end, 20);
-        var truncActual = _truncateString(actual, start, end, 20);
-        return "at index $start: Expected <$truncExpected>, "
-            "Found: <$truncActual>";
-      }
-    }
-    return null;
-  }
-
-  /**
-   * Checks whether the expected and actual values are equal (using `==`).
-   */
-  static void equals(var expected, var actual, [String reason = null]) {
-    if (expected == actual) return;
-    String msg = _getMessage(reason);
-    if (expected is String && actual is String) {
-      String stringDifference = _stringDifference(expected, actual);
-      if (stringDifference != null) {
-        _fail("Expect.equals($stringDifference$msg) fails.");
-      }
-    }
-    _fail("Expect.equals(expected: <$expected>, actual: <$actual>$msg) fails.");
-  }
-
-  /**
-   * Checks whether the actual value is a bool and its value is true.
-   */
-  static void isTrue(var actual, [String reason = null]) {
-    if (_identical(actual, true)) return;
-    String msg = _getMessage(reason);
-    _fail("Expect.isTrue($actual$msg) fails.");
-  }
-
-  /**
-   * Checks whether the actual value is a bool and its value is false.
-   */
-  static void isFalse(var actual, [String reason = null]) {
-    if (_identical(actual, false)) return;
-    String msg = _getMessage(reason);
-    _fail("Expect.isFalse($actual$msg) fails.");
-  }
-
-  /**
-   * Checks whether [actual] is null.
-   */
-  static void isNull(actual, [String reason = null]) {
-    if (null == actual) return;
-    String msg = _getMessage(reason);
-    _fail("Expect.isNull(actual: <$actual>$msg) fails.");
-  }
-
-  /**
-   * Checks whether [actual] is not null.
-   */
-  static void isNotNull(actual, [String reason = null]) {
-    if (null != actual) return;
-    String msg = _getMessage(reason);
-    _fail("Expect.isNotNull(actual: <$actual>$msg) fails.");
-  }
-
-  /**
-   * Checks whether the expected and actual values are identical
-   * (using `identical`).
-   */
-  static void identical(var expected, var actual, [String reason = null]) {
-    if (_identical(expected, actual)) return;
-    String msg = _getMessage(reason);
-    _fail("Expect.identical(expected: <$expected>, actual: <$actual>$msg) "
-        "fails.");
-  }
-
-  // Unconditional failure.
-  static void fail(String msg) {
-    _fail("Expect.fail('$msg')");
-  }
-
-  /**
-   * Failure if the difference between expected and actual is greater than the
-   * given tolerance. If no tolerance is given, tolerance is assumed to be the
-   * value 4 significant digits smaller than the value given for expected.
-   */
-  static void approxEquals(num expected, num actual,
-      [num tolerance = null, String reason = null]) {
-    if (tolerance == null) {
-      tolerance = (expected / 1e4).abs();
-    }
-    // Note: use !( <= ) rather than > so we fail on NaNs
-    if ((expected - actual).abs() <= tolerance) return;
-
-    String msg = _getMessage(reason);
-    _fail('Expect.approxEquals(expected:<$expected>, actual:<$actual>, '
-        'tolerance:<$tolerance>$msg) fails');
-  }
-
-  static void notEquals(unexpected, actual, [String reason = null]) {
-    if (unexpected != actual) return;
-    String msg = _getMessage(reason);
-    _fail("Expect.notEquals(unexpected: <$unexpected>, actual:<$actual>$msg) "
-        "fails.");
-  }
-
-  /**
-   * Checks that all elements in [expected] and [actual] are equal `==`.
-   * This is different than the typical check for identity equality `identical`
-   * used by the standard list implementation.  It should also produce nicer
-   * error messages than just calling `Expect.equals(expected, actual)`.
-   */
-  static void listEquals(List expected, List actual, [String reason = null]) {
-    String msg = _getMessage(reason);
-    int n = (expected.length < actual.length) ? expected.length : actual.length;
-    for (int i = 0; i < n; i++) {
-      if (expected[i] != actual[i]) {
-        _fail('Expect.listEquals(at index $i, '
-            'expected: <${expected[i]}>, actual: <${actual[i]}>$msg) fails');
-      }
-    }
-    // We check on length at the end in order to provide better error
-    // messages when an unexpected item is inserted in a list.
-    if (expected.length != actual.length) {
-      _fail('Expect.listEquals(list length, '
-          'expected: <${expected.length}>, actual: <${actual.length}>$msg) '
-          'fails: Next element <'
-          '${expected.length > n ? expected[n] : actual[n]}>');
-    }
-  }
-
-  /**
-   * Checks that all [expected] and [actual] have the same set of keys (using
-   * the semantics of [Map.containsKey] to determine what "same" means. For
-   * each key, checks that the values in both maps are equal using `==`.
-   */
-  static void mapEquals(Map expected, Map actual, [String reason = null]) {
-    String msg = _getMessage(reason);
-
-    // Make sure all of the values are present in both and match.
-    for (final key in expected.keys) {
-      if (!actual.containsKey(key)) {
-        _fail('Expect.mapEquals(missing expected key: <$key>$msg) fails');
-      }
-
-      Expect.equals(expected[key], actual[key]);
-    }
-
-    // Make sure the actual map doesn't have any extra keys.
-    for (final key in actual.keys) {
-      if (!expected.containsKey(key)) {
-        _fail('Expect.mapEquals(unexpected key: <$key>$msg) fails');
-      }
-    }
-  }
-
-  /**
-   * Specialized equality test for strings. When the strings don't match,
-   * this method shows where the mismatch starts and ends.
-   */
-  static void stringEquals(String expected, String actual,
-      [String reason = null]) {
-    if (expected == actual) return;
-
-    String msg = _getMessage(reason);
-    String defaultMessage =
-        'Expect.stringEquals(expected: <$expected>", <$actual>$msg) fails';
-
-    if ((expected == null) || (actual == null)) {
-      _fail('$defaultMessage');
-    }
-
-    // Scan from the left until we find the mismatch.
-    int left = 0;
-    int right = 0;
-    int eLen = expected.length;
-    int aLen = actual.length;
-
-    while (true) {
-      if (left == eLen || left == aLen || expected[left] != actual[left]) {
-        break;
-      }
-      left++;
-    }
-
-    // Scan from the right until we find the mismatch.
-    int eRem = eLen - left; // Remaining length ignoring left match.
-    int aRem = aLen - left;
-    while (true) {
-      if (right == eRem ||
-          right == aRem ||
-          expected[eLen - right - 1] != actual[aLen - right - 1]) {
-        break;
-      }
-      right++;
-    }
-
-    // First difference is at index `left`, last at `length - right - 1`
-    // Make useful difference message.
-    // Example:
-    // Diff (1209..1209/1246):
-    // ...,{"name":"[  ]FallThroug...
-    // ...,{"name":"[ IndexError","kind":"class"},{"name":" ]FallThroug...
-    // (colors would be great!)
-
-    // Make snippets of up to ten characters before and after differences.
-
-    String leftSnippet = expected.substring(left < 10 ? 0 : left - 10, left);
-    int rightSnippetLength = right < 10 ? right : 10;
-    String rightSnippet =
-        expected.substring(eLen - right, eLen - right + rightSnippetLength);
-
-    // Make snippets of the differences.
-    String eSnippet = expected.substring(left, eLen - right);
-    String aSnippet = actual.substring(left, aLen - right);
-
-    // If snippets are long, elide the middle.
-    if (eSnippet.length > 43) {
-      eSnippet = eSnippet.substring(0, 20) +
-          "..." +
-          eSnippet.substring(eSnippet.length - 20);
-    }
-    if (aSnippet.length > 43) {
-      aSnippet = aSnippet.substring(0, 20) +
-          "..." +
-          aSnippet.substring(aSnippet.length - 20);
-    }
-    // Add "..." before and after, unless the snippets reach the end.
-    String leftLead = "...";
-    String rightTail = "...";
-    if (left <= 10) leftLead = "";
-    if (right <= 10) rightTail = "";
-
-    String diff = '\nDiff ($left..${eLen - right}/${aLen - right}):\n'
-        '$leftLead$leftSnippet[ $eSnippet ]$rightSnippet$rightTail\n'
-        '$leftLead$leftSnippet[ $aSnippet ]$rightSnippet$rightTail';
-    _fail("$defaultMessage$diff");
-  }
-
-  /**
-   * Checks that every element of [expected] is also in [actual], and that
-   * every element of [actual] is also in [expected].
-   */
-  static void setEquals(Iterable expected, Iterable actual,
-      [String reason = null]) {
-    final missingSet = new Set.from(expected);
-    missingSet.removeAll(actual);
-    final extraSet = new Set.from(actual);
-    extraSet.removeAll(expected);
-
-    if (extraSet.isEmpty && missingSet.isEmpty) return;
-    String msg = _getMessage(reason);
-
-    StringBuffer sb = new StringBuffer("Expect.setEquals($msg) fails");
-    // Report any missing items.
-    if (!missingSet.isEmpty) {
-      sb.write('\nExpected collection does not contain: ');
-    }
-
-    for (final val in missingSet) {
-      sb.write('$val ');
-    }
-
-    // Report any extra items.
-    if (!extraSet.isEmpty) {
-      sb.write('\nExpected collection should not contain: ');
-    }
-
-    for (final val in extraSet) {
-      sb.write('$val ');
-    }
-    _fail(sb.toString());
-  }
-
-  /**
-   * Checks that [expected] is equivalent to [actual].
-   *
-   * If the objects are lists or maps, recurses into them.
-   */
-  static void deepEquals(Object expected, Object actual) {
-    // Early exit check for equality.
-    if (expected == actual) return;
-
-    if (expected is List && actual is List) {
-      int n =
-          (expected.length < actual.length) ? expected.length : actual.length;
-      for (int i = 0; i < n; i++) {
-        deepEquals(expected[i], actual[i]);
-      }
-
-      // We check on length at the end in order to provide better error
-      // messages when an unexpected item is inserted in a list.
-      if (expected.length != actual.length) {
-        _fail('Expect.deepEquals(list length, '
-            'expected: <${expected.length}>, actual: <${actual.length}>) '
-            'fails: Next element <'
-            '${expected.length > n ? expected[n] : actual[n]}>');
-      }
-    } else if (expected is Map && actual is Map) {
-      // Make sure all of the values are present in both and match.
-      for (final key in expected.keys) {
-        if (!actual.containsKey(key)) {
-          _fail('Expect.deepEquals(missing expected key: <$key>) fails');
-        }
-
-        Expect.deepEquals(expected[key], actual[key]);
-      }
-
-      // Make sure the actual map doesn't have any extra keys.
-      for (final key in actual.keys) {
-        if (!expected.containsKey(key)) {
-          _fail('Expect.deepEquals(unexpected key: <$key>) fails');
-        }
-      }
-    } else if (expected is String && actual is String) {
-      String stringDifference = _stringDifference(expected, actual);
-      // If we get here, they should not be equal.
-      assert(stringDifference != null);
-      _fail("Expect.deepEquals($stringDifference) fails.");
-    } else {
-      _fail("Expect.deepEquals(expected: <$expected>, actual: <$actual>) "
-          "fails.");
-    }
-  }
-
-  /**
-   * Calls the function [f] and verifies that it throws an exception.
-   * The optional [check] function can provide additional validation
-   * that the correct exception is being thrown.  For example, to check
-   * the type of the exception you could write this:
-   *
-   *     Expect.throws(myThrowingFunction, (e) => e is MyException);
-   */
-  static void throws(void f(),
-      [_CheckExceptionFn check = null, String reason = null]) {
-    String msg = reason == null ? "" : "($reason)";
-    if (f is! _Nullary) {
-      // Only throws from executing the funtion body should count as throwing.
-      // The failure to even call `f` should throw outside the try/catch.
-      _fail("Expect.throws$msg: Function f not callable with zero arguments");
-    }
-    try {
-      f();
-    } catch (e, s) {
-      if (check != null) {
-        if (!check(e)) {
-          _fail("Expect.throws$msg: Unexpected '$e'\n$s");
-        }
-      }
-      return;
-    }
-    _fail('Expect.throws$msg fails: Did not throw');
-  }
-
-  static String _getMessage(String reason) =>
-      (reason == null) ? "" : ", '$reason'";
-
-  static void _fail(String message) {
-    throw new ExpectException(message);
-  }
-}
-
-bool _identical(a, b) => identical(a, b);
-
-typedef bool _CheckExceptionFn(exception);
-typedef _Nullary(); // Expect.throws argument must be this type.
-
-class ExpectException implements Exception {
-  ExpectException(this.message);
-  String toString() => message;
-  String message;
-}
-
-/// Annotation class for testing of dart2js. Use this as metadata on method
-/// declarations to disable inlining of the annotated method.
-class NoInline {
-  const NoInline();
-}
-
-/// Annotation class for testing of dart2js. Use this as metadata on method
-/// declarations to make the type inferrer trust the parameter and return types,
-/// effectively asserting the runtime values will (at least) be subtypes of the
-/// annotated types.
-///
-/// While the actually inferred type is guaranteed to be a subtype of the
-/// annotation, it often is more precise. In particular, if a method is only
-/// called with `null`, the inferrer will still infer null. To ensure that
-/// the annotated type is also the inferred type, additionally use
-/// [AssumeDynamic].
-class TrustTypeAnnotations {
-  const TrustTypeAnnotations();
-}
-
-/// Annotation class for testing of dart2js. Use this as metadata on method
-/// declarations to disable closed world assumptions on parameters, effectively
-/// assuming that the runtime arguments could be any value. Note that the
-/// constraints due to [TrustTypeAnnotations] still apply.
-class AssumeDynamic {
-  const AssumeDynamic();
-}