1 files changed, 99 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/workers/search/tests/get-matches.spec.js b/devtools/client/debugger/src/workers/search/tests/get-matches.spec.js
new file mode 100644
index 0000000000..30b0ce316d
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+++ b/devtools/client/debugger/src/workers/search/tests/get-matches.spec.js
@@ -0,0 +1,99 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+import getMatches from "../get-matches";
+
+describe("search", () => {
+  describe("getMatches", () => {
+    it("gets basic string match", () => {
+      const text = "the test string with test in it multiple times test.";
+      const query = "test";
+      const matchLocations = getMatches(query, text, {
+        caseSensitive: true,
+        wholeWord: false,
+        regexMatch: false,
+      });
+      expect(matchLocations).toHaveLength(3);
+    });
+
+    it("gets basic string match case-sensitive", () => {
+      const text = "the Test string with test in it multiple times test.";
+      const query = "Test";
+      const matchLocations = getMatches(query, text, {
+        caseSensitive: true,
+        wholeWord: false,
+        regexMatch: false,
+      });
+      expect(matchLocations).toHaveLength(1);
+    });
+
+    it("gets whole word string match", () => {
+      const text = "the test string test in it multiple times whoatestthe.";
+      const query = "test";
+      const matchLocations = getMatches(query, text, {
+        caseSensitive: true,
+        wholeWord: true,
+        regexMatch: false,
+      });
+      expect(matchLocations).toHaveLength(2);
+    });
+
+    it("gets regex match", () => {
+      const text = "the test string test in it multiple times whoatestthe.";
+      const query = "(\\w+)\\s+(\\w+)";
+      const matchLocations = getMatches(query, text, {
+        caseSensitive: true,
+        wholeWord: false,
+        regexMatch: true,
+      });
+      expect(matchLocations).toHaveLength(4);
+    });
+
+    it("doesnt fail on empty data", () => {
+      const text = "";
+      const query = "";
+      const matchLocations = getMatches(query, text, {
+        caseSensitive: true,
+        wholeWord: false,
+        regexMatch: true,
+      });
+      expect(matchLocations).toHaveLength(0);
+    });
+
+    it("fails gracefully when the line is too long", () => {
+      const text = Array(100002).join("x");
+      const query = "query";
+      const matchLocations = getMatches(query, text, {
+        caseSensitive: true,
+        wholeWord: false,
+        regexMatch: true,
+      });
+      expect(matchLocations).toHaveLength(0);
+    });
+
+    // regression test for #6896
+    it("doesn't crash on the regex 'a*'", () => {
+      const text = "abc";
+      const query = "a*";
+      const matchLocations = getMatches(query, text, {
+        caseSensitive: true,
+        wholeWord: false,
+        regexMatch: true,
+      });
+      expect(matchLocations).toHaveLength(4);
+    });
+
+    // regression test for #6896
+    it("doesn't crash on the regex '^'", () => {
+      const text = "012";
+      const query = "^";
+      const matchLocations = getMatches(query, text, {
+        caseSensitive: true,
+        wholeWord: false,
+        regexMatch: true,
+      });
+      expect(matchLocations).toHaveLength(1);
+    });
+  });
+});