Tweak public APIs and use them in patch_sdk, dart2js, and kernel-service

pkg/front_end/test/src/base/processed_options_test.dart

Index: pkg/front_end/test/src/base/processed_options_test.dart
diff --git a/pkg/front_end/test/src/base/processed_options_test.dart b/pkg/front_end/test/src/base/processed_options_test.dart
index 365c5f2ce5d38e4f63bc1abeee6fd284a79f5ca3..ca17096c2712207fea948b260d0887dda3e2d6dd 100644
--- a/pkg/front_end/test/src/base/processed_options_test.dart
+++ b/pkg/front_end/test/src/base/processed_options_test.dart
@@ -9,7 +9,7 @@ import 'package:front_end/memory_file_system.dart';
 import 'package:front_end/src/base/processed_options.dart';
 import 'package:front_end/src/fasta/fasta.dart' show ByteSink;
 import 'package:kernel/binary/ast_to_binary.dart' show BinaryPrinter;
-import 'package:kernel/kernel.dart' show Program, Library;
+import 'package:kernel/kernel.dart' show Program, Library, CanonicalName;
 
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
@@ -37,6 +37,22 @@ class ProcessedOptionsTest {
     }
   }
 
+  test_sdk_summary_inferred() {
+    // The sdk-summary is inferred by default form sdk-root, when compile-sdk is
+    // false
+    var raw = new CompilerOptions()
+      ..sdkRoot = Uri.parse('file:///sdk/dir/')
+      ..compileSdk = false;
+    expect(new ProcessedOptions(raw).sdkSummary,
+        Uri.parse('file:///sdk/dir/outline.dill'));
+
+    // But it is left null when compile-sdk is true
+    raw = new CompilerOptions()
+      ..sdkRoot = Uri.parse('file:///sdk/dir/')
+      ..compileSdk = true;
+    expect(new ProcessedOptions(raw).sdkSummary, null);
+  }
+
   test_fileSystem_noBazelRoots() {
     // When no bazel roots are specified, the filesystem should be passed
     // through unmodified.
@@ -61,7 +77,7 @@ class ProcessedOptionsTest {
 
   Future<Null> checkMockSummary(CompilerOptions raw) async {
     var processed = new ProcessedOptions(raw);
-    var sdkSummary = await processed.sdkSummaryProgram;
+    var sdkSummary = await processed.loadSdkSummary(new CanonicalName.root());
     expect(sdkSummary.libraries.single.importUri,
         mockSummary.libraries.single.importUri);
   }
@@ -113,4 +129,97 @@ class ProcessedOptionsTest {
     var uriTranslator = await processed.getUriTranslator();
     expect(uriTranslator.packages, isEmpty);
   }
+
+  test_validateOptions_root_exists() async {
+    var sdkRoot = Uri.parse('file:///sdk/root/');
+    fileSystem
+        // Note: this test is a bit hackish because the memory file system
+        // doesn't have the notion of directories.
+        .entityForUri(sdkRoot)
+        .writeAsStringSync('\n');
+    fileSystem
+        .entityForUri(sdkRoot.resolve('outline.dill'))
+        .writeAsStringSync('\n');
+
+    var errors = [];
+    var raw = new CompilerOptions()
+      ..sdkRoot = sdkRoot
+      ..fileSystem = fileSystem
+      ..onError = (e) => errors.add(e);
+    var options = new ProcessedOptions(raw);
+    var result = await options.validateOptions();
+    // Note: we check this first so test failures show the cause directly.
+    expect(errors, isEmpty);
+    expect(result, isTrue);
+  }
+
+  test_validateOptions_root_doesnt_exists() async {
+    var sdkRoot = Uri.parse('file:///sdk/root');
+    var errors = [];
+    var raw = new CompilerOptions()
+      ..sdkRoot = sdkRoot
+      ..fileSystem = fileSystem
+      ..onError = (e) => errors.add(e);
+    var options = new ProcessedOptions(raw);
+    expect(await options.validateOptions(), isFalse);
+    expect('${errors.first}', contains("SDK root directory not found"));
+  }
+
+  test_validateOptions_summary_exists() async {
+    var sdkSummary = Uri.parse('file:///sdk/root/outline.dill');
+    fileSystem.entityForUri(sdkSummary).writeAsStringSync('\n');
+
+    var errors = [];
+    var raw = new CompilerOptions()
+      ..sdkSummary = sdkSummary
+      ..fileSystem = fileSystem
+      ..onError = (e) => errors.add(e);
+    var options = new ProcessedOptions(raw);
+    var result = await options.validateOptions();
+    expect(errors, isEmpty);
+    expect(result, isTrue);
+  }
+
+  test_validateOptions_summary_doesnt_exists() async {
+    var sdkSummary = Uri.parse('file:///sdk/root/outline.dill');
+    var errors = [];
+    var raw = new CompilerOptions()
+      ..sdkSummary = sdkSummary
+      ..fileSystem = fileSystem
+      ..onError = (e) => errors.add(e);
+    var options = new ProcessedOptions(raw);
+    expect(await options.validateOptions(), isFalse);
+    expect('${errors.first}', contains("SDK summary not found"));
+  }
+
+  test_validateOptions_inferred_summary_exists() async {
+    var sdkRoot = Uri.parse('file:///sdk/root/');
+    var sdkSummary = Uri.parse('file:///sdk/root/outline.dill');
+    fileSystem.entityForUri(sdkRoot).writeAsStringSync('\n');
+    fileSystem.entityForUri(sdkSummary).writeAsStringSync('\n');
+
+    var errors = [];
+    var raw = new CompilerOptions()
+      ..sdkRoot = sdkRoot
+      ..fileSystem = fileSystem
+      ..onError = (e) => errors.add(e);
+    var options = new ProcessedOptions(raw);
+    var result = await options.validateOptions();
+    expect(errors, isEmpty);
+    expect(result, isTrue);
+  }
+
+  test_validateOptions_inferred_summary_doesnt_exists() async {
+    var sdkRoot = Uri.parse('file:///sdk/root/');
+    var sdkSummary = Uri.parse('file:///sdk/root/outline.dill');
+    fileSystem.entityForUri(sdkRoot).writeAsStringSync('\n');
+    var errors = [];
+    var raw = new CompilerOptions()
+      ..sdkSummary = sdkSummary
+      ..fileSystem = fileSystem
+      ..onError = (e) => errors.add(e);
+    var options = new ProcessedOptions(raw);
+    expect(await options.validateOptions(), isFalse);
+    expect('${errors.first}', contains("SDK summary not found"));
+  }
 }