Script that runs engine unit tests and Dart tests of engine APIs (flu…

…tter#3372)

The Dart tests were migrated from the flutter/test/engine suite in the
framework repository

testing/dart/.gitignore

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+.packages
+pubspec.lock

testing/dart/color_test.dart

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+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:ui';
+
+import 'package:test/test.dart';
+
+void main() {
+  test("color accessors should work", () {
+    Color foo = const Color(0x12345678);
+    expect(foo.alpha, equals(0x12));
+    expect(foo.red, equals(0x34));
+    expect(foo.green, equals(0x56));
+    expect(foo.blue, equals(0x78));
+  });
+
+  test("paint set to black", () {
+    Color c = const Color(0x00000000);
+    Paint p = new Paint();
+    p.color = c;
+    expect(c.toString(), equals('Color(0x00000000)'));
+  });
+
+  test("color created with out of bounds value", () {
+    try {
+      Color c = const Color(0x100 << 24);
+      Paint p = new Paint();
+      p.color = c;
+    } catch (e) {
+      expect(e != null, equals(true));
+    }
+  });
+
+  test("color created with wildly out of bounds value", () {
+    try {
+      Color c = const Color(1 << 1000000);
+      Paint p = new Paint();
+      p.color = c;
+    } catch (e) {
+      expect(e != null, equals(true));
+    }
+  });
+}

testing/dart/paragraph_builder_test.dart

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+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:ui';
+
+import 'package:test/test.dart';
+
+void main() {
+  test("Should be able to build and layout a paragraph", () {
+    ParagraphBuilder builder = new ParagraphBuilder(new ParagraphStyle());
+    builder.addText('Hello');
+    Paragraph paragraph = builder.build();
+    expect(paragraph, isNotNull);
+
+    paragraph.layout(new ParagraphConstraints(width: 800.0));
+    expect(paragraph.width, isNonZero);
+    expect(paragraph.height, isNonZero);
+  });
+}

testing/dart/pubspec.yaml

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+name: engine_tests
+dependencies:
+  test: 0.12.15+4

testing/dart/rect_test.dart

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+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:ui';
+
+import 'package:test/test.dart';
+
+void main() {
+  test("rect accessors", () {
+    Rect r = new Rect.fromLTRB(1.0, 3.0, 5.0, 7.0);
+    expect(r.left, equals(1.0));
+    expect(r.top, equals(3.0));
+    expect(r.right, equals(5.0));
+    expect(r.bottom, equals(7.0));
+  });
+
+  test("rect created by width and height", () {
+    Rect r = new Rect.fromLTWH(1.0, 3.0, 5.0, 7.0);
+    expect(r.left, equals(1.0));
+    expect(r.top, equals(3.0));
+    expect(r.right, equals(6.0));
+    expect(r.bottom, equals(10.0));
+  });
+
+  test("rect intersection", () {
+    Rect r1 = new Rect.fromLTRB(0.0, 0.0, 100.0, 100.0);
+    Rect r2 = new Rect.fromLTRB(50.0, 50.0, 200.0, 200.0);
+    Rect r3 = r1.intersect(r2);
+    expect(r3.left, equals(50.0));
+    expect(r3.top, equals(50.0));
+    expect(r3.right, equals(100.0));
+    expect(r3.bottom, equals(100.0));
+    Rect r4 = r2.intersect(r1);
+    expect(r4, equals(r3));
+  });
+}

testing/fail_test.dart

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+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:test/test.dart';
+
+void main() {
+  test('test smoke test -- this test SHOULD FAIL', () {
+    expect(false, isTrue);
+  });
+}

testing/run_tests.sh

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+#!/bin/bash
+
+set -ex
+
+out/host_debug_unopt/ftl_unittests
+out/host_debug_unopt/synchronization_unittests
+out/host_debug_unopt/wtf_unittests
+
+pushd flutter/testing/dart
+pub get
+popd
+
+# Verify that a failing test returns a failure code.
+! out/host_debug_unopt/sky_shell --disable-observatory --disable-diagnostic --non-interactive --enable-checked-mode --packages=flutter/testing/dart/.packages flutter/testing/fail_test.dart
+
+for TEST_SCRIPT in flutter/testing/dart/*.dart; do
+    out/host_debug_unopt/sky_shell --disable-observatory --disable-diagnostic --non-interactive --enable-checked-mode $TEST_SCRIPT
+done