1 files changed, 72 insertions, 0 deletions
diff --git a/storage/test/unit/test_like_escape.js b/storage/test/unit/test_like_escape.js
new file mode 100644
index 0000000000..66d6d1d583
--- /dev/null
+++ b/storage/test/unit/test_like_escape.js
@@ -0,0 +1,72 @@
+/* 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/. */
+
+const LATIN1_AE = "\xc6";
+const LATIN1_ae = "\xe6";
+
+function setup() {
+  getOpenedDatabase().createTable("t1", "x TEXT");
+
+  var stmt = createStatement(
+    "INSERT INTO t1 (x) VALUES ('foo/bar_baz%20cheese')"
+  );
+  stmt.execute();
+  stmt.finalize();
+
+  stmt = createStatement("INSERT INTO t1 (x) VALUES (?1)");
+  // insert LATIN_ae, but search on LATIN_AE
+  stmt.bindByIndex(0, "foo%20" + LATIN1_ae + "/_bar");
+  stmt.execute();
+  stmt.finalize();
+}
+
+function test_escape_for_like_ascii() {
+  const paramForLike = "oo/bar_baz%20chees";
+  const escapeChar = "/";
+
+  for (const utf8 of [false, true]) {
+    var stmt = createStatement("SELECT x FROM t1 WHERE x LIKE ?1 ESCAPE '/'");
+    var paramForLikeEscaped = utf8
+      ? stmt.escapeUTF8StringForLIKE(paramForLike, escapeChar)
+      : stmt.escapeStringForLIKE(paramForLike, escapeChar);
+    // verify that we escaped / _ and %
+    Assert.equal(paramForLikeEscaped, "oo//bar/_baz/%20chees");
+    // prepend and append with % for "contains"
+    stmt.bindByIndex(0, "%" + paramForLikeEscaped + "%");
+    stmt.executeStep();
+    Assert.equal("foo/bar_baz%20cheese", stmt.getString(0));
+    stmt.finalize();
+  }
+}
+
+function test_escape_for_like_non_ascii() {
+  const paramForLike = "oo%20" + LATIN1_AE + "/_ba";
+  const escapeChar = "/";
+
+  for (const utf8 of [false, true]) {
+    var stmt = createStatement("SELECT x FROM t1 WHERE x LIKE ?1 ESCAPE '/'");
+    var paramForLikeEscaped = utf8
+      ? stmt.escapeUTF8StringForLIKE(paramForLike, escapeChar)
+      : stmt.escapeStringForLIKE(paramForLike, escapeChar);
+    // verify that we escaped / _ and %
+    Assert.equal(paramForLikeEscaped, "oo/%20" + LATIN1_AE + "///_ba");
+    // prepend and append with % for "contains"
+    stmt.bindByIndex(0, "%" + paramForLikeEscaped + "%");
+    stmt.executeStep();
+    Assert.equal("foo%20" + LATIN1_ae + "/_bar", stmt.getString(0));
+    stmt.finalize();
+  }
+}
+
+var tests = [test_escape_for_like_ascii, test_escape_for_like_non_ascii];
+
+function run_test() {
+  setup();
+
+  for (var i = 0; i < tests.length; i++) {
+    tests[i]();
+  }
+
+  cleanup();
+}