1 files changed, 60 insertions, 0 deletions
diff --git a/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/FindReplaceDocumentAdapterContentProposalProviderTest.java b/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/FindReplaceDocumentAdapterContentProposalProviderTest.java
new file mode 100644
index 00000000000..3046512de64
--- /dev/null
+++ b/org.eclipse.jface.text.tests/src/org/eclipse/jface/text/tests/FindReplaceDocumentAdapterContentProposalProviderTest.java
@@ -0,0 +1,60 @@
+/*******************************************************************************
+ * Copyright (c) 2022 Thomas Wolf <thomas.wolf@paranor.ch> and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package org.eclipse.jface.text.tests;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import org.junit.Test;
+
+import org.eclipse.jface.fieldassist.IContentProposal;
+
+import org.eclipse.jface.text.FindReplaceDocumentAdapterContentProposalProvider;
+
+public class FindReplaceDocumentAdapterContentProposalProviderTest {
+
+	private FindReplaceDocumentAdapterContentProposalProvider provider= new FindReplaceDocumentAdapterContentProposalProvider(true);
+
+	private void assertProposal(IContentProposal[] proposals, String prefix, String replacement) {
+		IContentProposal match= null;
+		for (IContentProposal p : proposals) {
+			if (p.getLabel().startsWith(prefix)) {
+				match= p;
+				break;
+			}
+		}
+		assertNotNull("No proposal for " + prefix + " found", match);
+		assertEquals("Unexpected replacement", replacement, match.getContent());
+	}
+
+	@Test
+	public void testEmptyTextProposal() {
+		assertProposal(provider.getProposals("", 0), "\\r", "\\r");
+	}
+
+	@Test
+	public void testNonEmptyProposal() {
+		assertProposal(provider.getProposals("text", 3), "\\r", "\\r");
+	}
+
+	@Test
+	public void testBackslashOddProposal() {
+		assertProposal(provider.getProposals("te\\xt", 3), "\\r", "r");
+		assertProposal(provider.getProposals("te\\\\\\xt", 5), "\\r", "r");
+	}
+
+	@Test
+	public void testBackslashEvenProposal() {
+		assertProposal(provider.getProposals("te\\\\xt", 4), "\\r", "\\r");
+		assertProposal(provider.getProposals("te\\\\\\xt", 4), "\\r", "\\r");
+		assertProposal(provider.getProposals("te\\\\\\\\xt", 6), "\\r", "\\r");
+	}
+}