Add an imported into list for libraries so that it is possible to lookup

vm/dart_api_impl_test.cc

 // Copyright (c) 2011, 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.
 
 #include "include/dart_api.h"
 
 #include "vm/assert.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
 #include "vm/unit_test.h"
@@ skipping 1402 matching lines @@
                                 number_of_arguments,
                                 dart_arguments);
     EXPECT(Dart_IsValidResult(result));
     retobj = Dart_GetResult(result);
     EXPECT(Dart_ExceptionOccurred(retobj)); */
   }
   Dart_ExitScope();  // Exit the Dart API scope.
   Dart_ShutdownIsolate();
 }
 
+
+static Dart_Result library_handler(Dart_LibraryTag tag,
+                                   Dart_Handle library,
+                                   Dart_Handle url) {
+  if (tag == kCanonicalizeUrl) {
+    return Dart_ResultAsObject(url);
+  }
+  return Dart_ResultAsObject(Dart_NewBoolean(true));
+}
+
+
+UNIT_TEST_CASE(ImportLibrary1) {
+  const char* kScriptChars =
+      "#import(\"library1.dart\");\n"

[Ivan Posva, 2011/10/20 08:46:04]

This would become a little bit more readable if it was:
"#import('library1.dart');\n"

Also the \n is not strictly needed either.

[siva, 2011/10/20 23:08:47]

Done.

+      "#import(\"library2.dart\");\n"
+      "var foo;  // library2 defines foo, so should be error.\n"
+      "main() {}\n";
+  const char* kLibrary1Chars =
+      "#library(\"library1.dart\");\n"
+      "#import(\"library2.dart\");\n"
+      "var foo1;\n";
+  const char* kLibrary2Chars =
+      "#library(\"library2.dart\");\n"
+      "var foo;\n";
+  Dart_Result result;
+
+  Dart_CreateIsolate(NULL, NULL);
+  {
+    Dart_EnterScope();  // Start a Dart API scope for invoking API functions.
+
+    // Create a test library and Load up a test script in it.
+    Dart_Handle url = Dart_NewString(TestCase::url());
+    Dart_Handle source = Dart_NewString(kScriptChars);
+    result = Dart_LoadScript(url, source, library_handler);
+
+    url = Dart_NewString("library1.dart");
+    source = Dart_NewString(kLibrary1Chars);
+    Dart_LoadLibrary(url, source);
+
+    url = Dart_NewString("library2.dart");
+    source = Dart_NewString(kLibrary2Chars);
+    Dart_LoadLibrary(url, source);
+
+    result = Dart_InvokeStatic(Dart_GetResult(result),
+                               Dart_NewString(""),
+                               Dart_NewString("main"),
+                               0,
+                               NULL);
+    assert(!Dart_IsValidResult(result));

[Ivan Posva, 2011/10/20 08:46:04]

Could you check that there is a complaint about "foo" in the error string?

[siva, 2011/10/20 23:08:47]

Done.

+
+    Dart_ExitScope();  // Exit the Dart API scope.
+  }
+  Dart_ShutdownIsolate();
+}
+
+
+UNIT_TEST_CASE(ImportLibrary2) {
+  const char* kScriptChars =
+      "#import(\"library1.dart\");\n"
+      "var foo;\n"
+      "main() {}\n";
+  const char* kLibrary1Chars =
+      "#library(\"library1.dart\");\n"
+      "#import(\"library2.dart\");\n"
+      "var foo1;\n";
+  const char* kLibrary2Chars =
+      "#library(\"library2.dart\");\n"
+      "#import(\"library1.dart\");\n"
+      "var foo;\n";
+  Dart_Result result;
+
+  Dart_CreateIsolate(NULL, NULL);
+  {
+    Dart_EnterScope();  // Start a Dart API scope for invoking API functions.
+
+    // Create a test library and Load up a test script in it.
+    Dart_Handle url = Dart_NewString(TestCase::url());
+    Dart_Handle source = Dart_NewString(kScriptChars);
+    result = Dart_LoadScript(url, source, library_handler);
+
+    url = Dart_NewString("library1.dart");
+    source = Dart_NewString(kLibrary1Chars);
+    Dart_LoadLibrary(url, source);
+
+    url = Dart_NewString("library2.dart");
+    source = Dart_NewString(kLibrary2Chars);
+    Dart_LoadLibrary(url, source);
+
+    result = Dart_InvokeStatic(Dart_GetResult(result),
+                               Dart_NewString(""),
+                               Dart_NewString("main"),
+                               0,
+                               NULL);
+    assert(Dart_IsValidResult(result));
+
+    Dart_ExitScope();  // Exit the Dart API scope.
+  }
+  Dart_ShutdownIsolate();
+}
+
+
+UNIT_TEST_CASE(ImportLibrary3) {
+  const char* kScriptChars =
+      "#import(\"library2.dart\");\n"
+      "#import(\"library1.dart\");\n"
+      "var foo_top = 10;  // foo has dup def. So should be an error.\n"
+      "main() {}\n";
+  const char* kLibrary1Chars =
+      "#library(\"library1.dart\");\n"
+      "#import(\"library2.dart\");\n"
+      "var foo;\n";
+  const char* kLibrary2Chars =
+      "#library(\"library2.dart\");\n"
+      "var foo;\n";
+  Dart_Result result;
+
+  Dart_CreateIsolate(NULL, NULL);
+  {
+    Dart_EnterScope();  // Start a Dart API scope for invoking API functions.
+
+    // Create a test library and Load up a test script in it.
+    Dart_Handle url = Dart_NewString(TestCase::url());
+    Dart_Handle source = Dart_NewString(kScriptChars);
+    result = Dart_LoadScript(url, source, library_handler);
+
+    url = Dart_NewString("library2.dart");
+    source = Dart_NewString(kLibrary2Chars);
+    Dart_LoadLibrary(url, source);
+
+    url = Dart_NewString("library1.dart");
+    source = Dart_NewString(kLibrary1Chars);
+    Dart_LoadLibrary(url, source);
+
+    result = Dart_InvokeStatic(Dart_GetResult(result),
+                               Dart_NewString(""),
+                               Dart_NewString("main"),
+                               0,
+                               NULL);
+    assert(!Dart_IsValidResult(result));
+
+    Dart_ExitScope();  // Exit the Dart API scope.
+  }
+  Dart_ShutdownIsolate();
+}
+
+
+UNIT_TEST_CASE(ImportLibrary4) {
+  const char* kScriptChars =
+      "#import(\"libraryA.dart\");\n"
+      "#import(\"libraryB.dart\");\n"
+      "#import(\"libraryD.dart\");\n"
+      "#import(\"libraryE.dart\");\n"
+      "var fooApp;\n"
+      "main() {}\n";
+  const char* kLibraryAChars =
+      "#library(\"libraryA.dart\");\n"
+      "#import(\"libraryC.dart\");\n"
+      "var fooA;\n";
+  const char* kLibraryBChars =
+      "#library(\"library2.dart\");\n"

[Ivan Posva, 2011/10/20 08:46:04]

library2.dart?

[siva, 2011/10/20 23:08:47]

Changed to libraryB.dart
On 2011/10/20 08:46:04, Ivan Posva wrote:
Done.

+      "#import(\"libraryC.dart\");\n"
+      "var fooB;\n";
+  const char* kLibraryCChars =
+      "#library(\"libraryC.dart\");\n"
+      "var fooC;\n";
+  const char* kLibraryDChars =
+      "#library(\"libraryD.dart\");\n"
+      "#import(\"libraryF.dart\");\n"
+      "var fooD;\n";
+  const char* kLibraryEChars =
+      "#library(\"libraryE.dart\");\n"
+      "#import(\"libraryC.dart\");\n"
+      "#import(\"libraryF.dart\");\n"
+      "var fooE = 10;  //fooC has duplicate def. so should be an error.\n";
+  const char* kLibraryFChars =
+      "#library(\"libraryF.dart\");\n"
+      "var fooC;\n";
+  Dart_Result result;
+
+  Dart_CreateIsolate(NULL, NULL);
+  {
+    Dart_EnterScope();  // Start a Dart API scope for invoking API functions.
+
+    // Create a test library and Load up a test script in it.
+    Dart_Handle url = Dart_NewString(TestCase::url());
+    Dart_Handle source = Dart_NewString(kScriptChars);
+    result = Dart_LoadScript(url, source, library_handler);
+
+    url = Dart_NewString("libraryA.dart");
+    source = Dart_NewString(kLibraryAChars);
+    Dart_LoadLibrary(url, source);
+
+    url = Dart_NewString("libraryC.dart");
+    source = Dart_NewString(kLibraryCChars);
+    Dart_LoadLibrary(url, source);
+
+    url = Dart_NewString("libraryB.dart");
+    source = Dart_NewString(kLibraryBChars);
+    Dart_LoadLibrary(url, source);
+
+    url = Dart_NewString("libraryD.dart");
+    source = Dart_NewString(kLibraryDChars);
+    Dart_LoadLibrary(url, source);
+
+    url = Dart_NewString("libraryF.dart");
+    source = Dart_NewString(kLibraryFChars);
+    Dart_LoadLibrary(url, source);
+
+    url = Dart_NewString("libraryE.dart");
+    source = Dart_NewString(kLibraryEChars);
+    Dart_LoadLibrary(url, source);
+
+    result = Dart_InvokeStatic(Dart_GetResult(result),
+                               Dart_NewString(""),
+                               Dart_NewString("main"),
+                               0,
+                               NULL);
+    assert(!Dart_IsValidResult(result));
+
+    Dart_ExitScope();  // Exit the Dart API scope.
+  }
+  Dart_ShutdownIsolate();
+}
+
 #endif  // TARGET_ARCH_IA32.
 
 }  // namespace dart