Fix #9755: Add tests for Scala.js top-level native members

tests/sjs-junit/test/org/scalajs/testsuite/jsinterop/TopLevelNativeJSMembersTestScala3.scala

@@ -0,0 +1,85 @@
+package org.scalajs.testsuite.jsinterop
+
+import org.junit.Assert._
+import org.junit.Test
+
+import scala.scalajs.js
+import scala.scalajs.js.annotation._
+
+@js.native
+@JSGlobal("interoperabilityTestGlobalValDefConstant")
+val interoperabilityTestGlobalValDefConstant: Int = js.native
+
+@js.native
+@JSGlobal("interoperabilityTestGlobalValDefVariable")
+def interoperabilityTestGlobalValDefVariable: Int = js.native
+
+@js.native
+@JSGlobal("interoperabilityTestGlobalValDefGetVariable")
+def interoperabilityTestGlobalValDefGetVariable(): Int = js.native
+
+@js.native
+@JSGlobal("interoperabilityTestGlobalValDefSetVariable")
+def interoperabilityTestGlobalValDefSetVariable(x: Int): Unit = js.native
+
+@js.native
+@JSGlobal("interoperabilityTestGlobalValDefFunction")
+def interoperabilityTestGlobalValDefFunction(x: Int): Int = js.native
+
+@js.native
+@JSImport("querystring", "stringify")
+def stringify(obj: js.Dictionary[String], sep: String = "&", eq: String = "="): String = js.native
+
+@js.native
+@JSImport("os", "EOL")
+val EOL: String = js.native
+
+@js.native
+@JSImport("os", "EOL")
+def EOLAsDef: String = js.native
+
+class TopLevelNativeJSMembersTestScala3 {
+  @Test def should_access_top_level_JS_vars_and_functions_with_top_level_native_vals_and_defs(): Unit = {
+    js.eval("""
+      var interoperabilityTestGlobalValDefConstant = 654321;
+      var interoperabilityTestGlobalValDefVariable = 7357;
+      var interoperabilityTestGlobalValDefGetVariable = function() {
+        return interoperabilityTestGlobalValDefVariable;
+      }
+      var interoperabilityTestGlobalValDefSetVariable = function(x) {
+        interoperabilityTestGlobalValDefVariable = x;
+      }
+      var interoperabilityTestGlobalValDefFunction = function(x) {
+        return interoperabilityTestGlobalValDefVariable + x;
+      };
+    """)
+
+    assertEquals(654321, interoperabilityTestGlobalValDefConstant)
+
+    assertEquals(7357, interoperabilityTestGlobalValDefVariable)
+    assertEquals(7357, interoperabilityTestGlobalValDefGetVariable())
+    assertEquals(7360, interoperabilityTestGlobalValDefFunction(3))
+
+    interoperabilityTestGlobalValDefSetVariable(123)
+    assertEquals(123, interoperabilityTestGlobalValDefGetVariable())
+    assertEquals(126, interoperabilityTestGlobalValDefFunction(3))
+  }
+
+  /*
+  Ideally we would like to add those two tests as well.
+  However, we do not have infrastructure yet in the Dotty build to test Scala.js
+  with module support enabled, so the linker will refuse to link the @JSImports.
+
+  @Test def testImportFunctionInModule(): Unit = {
+    val dict = js.Dictionary("foo" -> "bar", "baz" -> "qux")
+
+    assertEquals("foo=bar&baz=qux", stringify(dict))
+    assertEquals("foo:bar;baz:qux", stringify(dict, ";", ":"))
+  }
+
+  @Test def testImportFieldInModule(): Unit = {
+    assertEquals("string", js.typeOf(EOL))
+    assertEquals("string", js.typeOf(EOLAsDef))
+  }
+  */
+}