Index: src/org/eclipse/core/tests/internal/localstore/FileSystemStoreTest.java
===================================================================
RCS file: /home/eclipse/org.eclipse.core.tests.resources/src/org/eclipse/core/tests/internal/localstore/FileSystemStoreTest.java,v
retrieving revision 1.7
diff -u -r1.7 FileSystemStoreTest.java
--- src/org/eclipse/core/tests/internal/localstore/FileSystemStoreTest.java	10 Mar 2003 21:54:42 -0000	1.7
+++ src/org/eclipse/core/tests/internal/localstore/FileSystemStoreTest.java	14 Mar 2003 21:22:31 -0000
@@ -121,6 +121,12 @@
 	Workspace.clear(target);
 }
 public void testCopyFile() throws Throwable {
+
+	// We need to know whether or not we can set the folder to be read-only
+	// in order to perform this test.
+	if (!CoreFileSystemLibrary.usingNatives())
+		return;
+	
 	/* initialize commom objetcs */
 	FileSystemStore store = new FileSystemStore();
 
@@ -387,6 +393,11 @@
 	Workspace.clear(tree);
 }
 public void testReadOnly() throws IOException {
+	// We need to know whether or not we can set the folder to be read-only
+	// in order to perform this test.
+	if (!CoreFileSystemLibrary.usingNatives())
+		return;
+	
 	/* evaluate test environment */
 	IPath root = getWorkspace().getRoot().getLocation().append("" + new Date().getTime());
 	IPath target = root.append("target");
Index: src/org/eclipse/core/tests/resources/IFolderTest.java
===================================================================
RCS file: /home/eclipse/org.eclipse.core.tests.resources/src/org/eclipse/core/tests/resources/IFolderTest.java,v
retrieving revision 1.11
diff -u -r1.11 IFolderTest.java
--- src/org/eclipse/core/tests/resources/IFolderTest.java	10 Mar 2003 21:54:42 -0000	1.11
+++ src/org/eclipse/core/tests/resources/IFolderTest.java	14 Mar 2003 21:22:31 -0000
@@ -13,6 +13,7 @@
 import junit.framework.Test;
 import junit.framework.TestSuite;
 import org.eclipse.core.boot.BootLoader;
+import org.eclipse.core.internal.localstore.CoreFileSystemLibrary;
 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.*;
 import org.eclipse.core.tests.harness.EclipseWorkspaceTest;
@@ -282,6 +283,10 @@
 	assertDoesNotExistInWorkspace("1.1", source);
 }
 public void testReadOnlyFolderCopy() throws Exception {
+	// We need to know whether or not we can set the folder to be read-only
+	// in order to perform this test.
+	if (!CoreFileSystemLibrary.usingNatives())
+		return;
 	IProject project = getWorkspace().getRoot().getProject("Project");
 	IFolder source = project.getFolder("Folder1");
 	ensureExistsInWorkspace(source, true);
Index: src/org/eclipse/core/tests/resources/IResourceTest.java
===================================================================
RCS file: /home/eclipse/org.eclipse.core.tests.resources/src/org/eclipse/core/tests/resources/IResourceTest.java,v
retrieving revision 1.13
diff -u -r1.13 IResourceTest.java
--- src/org/eclipse/core/tests/resources/IResourceTest.java	10 Mar 2003 21:54:42 -0000	1.13
+++ src/org/eclipse/core/tests/resources/IResourceTest.java	14 Mar 2003 21:22:31 -0000
@@ -15,6 +15,8 @@
 
 import junit.framework.Test;
 import junit.framework.TestSuite;
+
+import org.eclipse.core.internal.localstore.CoreFileSystemLibrary;
 import org.eclipse.core.internal.resources.Workspace;
 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.*;
@@ -1542,6 +1544,10 @@
 	assertEquals(stamp, file.getModificationStamp());
 }
 public void testReadOnly() {
+	// We need to know whether or not we can set the folder to be read-only
+	// in order to perform this test.
+	if (!CoreFileSystemLibrary.usingNatives())
+		return;
 	IProject project = getWorkspace().getRoot().getProject("Project");
 	IFile file = project.getFile("target");
 	try {
Index: src/org/eclipse/core/tests/resources/IWorkspaceTest.java
===================================================================
RCS file: /home/eclipse/org.eclipse.core.tests.resources/src/org/eclipse/core/tests/resources/IWorkspaceTest.java,v
retrieving revision 1.21
diff -u -r1.21 IWorkspaceTest.java
--- src/org/eclipse/core/tests/resources/IWorkspaceTest.java	10 Mar 2003 21:54:42 -0000	1.21
+++ src/org/eclipse/core/tests/resources/IWorkspaceTest.java	14 Mar 2003 21:22:31 -0000
@@ -13,6 +13,7 @@
 import junit.framework.Test;
 import junit.framework.TestSuite;
 import org.eclipse.core.boot.BootLoader;
+import org.eclipse.core.internal.localstore.CoreFileSystemLibrary;
 import org.eclipse.core.internal.resources.Workspace;
 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.*;
@@ -821,6 +822,10 @@
 	assertTrue("4.1", first || second || third);
 }
 public void testValidateEdit() {
+	// We need to know whether or not we can set the folder to be read-only
+	// in order to perform this test.
+	if (!CoreFileSystemLibrary.usingNatives())
+		return;	
 	IProject project = getWorkspace().getRoot().getProject("MyProject");
 	IFile file = project.getFile("myfile.txt");
 	ensureExistsInWorkspace(new IResource[] {project, file}, true);