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-rw-r--r--testing/web-platform/tests/domxpath/fn-substring-before.html15
1 files changed, 15 insertions, 0 deletions
diff --git a/testing/web-platform/tests/domxpath/fn-substring-before.html b/testing/web-platform/tests/domxpath/fn-substring-before.html
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index 0000000000..69b3f1ef6e
--- /dev/null
+++ b/testing/web-platform/tests/domxpath/fn-substring-before.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<link rel="help" href="https://www.w3.org/TR/1999/REC-xpath-19991116/#function-substring-before">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="helpers.js"></script>
+<body>
+<div id="context"></div>
+<script>
+test(() => {
+ const context = document.querySelector('#context');
+ context.innerHTML = '<span>^^^bar$$$</span><span>bar<b>$</b></span><b>bar</b>';
+ assert_equals(evaluateString('substring-before((./span)[1], ./b)', context), '^^^');
+}, 'substring-before() arguments depending on the context node');
+</script>
+</body>