diff --git a/tests/__tests__/regression.test.js b/tests/__tests__/regression.test.js
index 5dc18ce3..a8db0642 100644
--- a/tests/__tests__/regression.test.js
+++ b/tests/__tests__/regression.test.js
@@ -106,3 +106,13 @@ test('issue #239: `listitem` is not reported when roles inherit from list roles'
const report = await ace('../data/issue-239');
expect(report['earl:result']['earl:outcome']).toEqual('pass');
});
+
+test('issue #290 (unzipped): URL percent encoding', async () => {
+ const report = await ace('../data/issue-290');
+ expect(report['earl:result']['earl:outcome']).toEqual('pass');
+});
+
+test('issue #290 (zipped): URL percent encoding', async () => {
+ const report = await ace('../data/issue-290.epub');
+ expect(report['earl:result']['earl:outcome']).toEqual('pass');
+});
diff --git a/tests/data/issue-290.epub b/tests/data/issue-290.epub
new file mode 100644
index 00000000..d81b2981
Binary files /dev/null and b/tests/data/issue-290.epub differ
diff --git "a/tests/data/issue-290/E%PU B/c%on t&e%26n%2Ft_\303\250001.xhtml" "b/tests/data/issue-290/E%PU B/c%on t&e%26n%2Ft_\303\250001.xhtml"
new file mode 100644
index 00000000..907b1466
--- /dev/null
+++ "b/tests/data/issue-290/E%PU B/c%on t&e%26n%2Ft_\303\250001.xhtml"
@@ -0,0 +1,11 @@
+
+
+Minimal EPUB
+
+
+Loomings
+
+Call me Ishmael.
+
+
+
diff --git "a/tests/data/issue-290/E%PU B/i%ma g&e%26_%2F00\303\2501.jpg" "b/tests/data/issue-290/E%PU B/i%ma g&e%26_%2F00\303\2501.jpg"
new file mode 100644
index 00000000..6b7c589d
Binary files /dev/null and "b/tests/data/issue-290/E%PU B/i%ma g&e%26_%2F00\303\2501.jpg" differ
diff --git "a/tests/data/issue-290/E%PU B/n%av i&g%26a%2Ftio\303\250n.xhtml" "b/tests/data/issue-290/E%PU B/n%av i&g%26a%2Ftio\303\250n.xhtml"
new file mode 100644
index 00000000..cf8bf9c8
--- /dev/null
+++ "b/tests/data/issue-290/E%PU B/n%av i&g%26a%2Ftio\303\250n.xhtml"
@@ -0,0 +1,17 @@
+
+
+Minimal Nav
+
+
+
+
+
+
diff --git "a/tests/data/issue-290/E%PU B/pa&c%26kag%2Fe\303\250.opf" "b/tests/data/issue-290/E%PU B/pa&c%26kag%2Fe\303\250.opf"
new file mode 100644
index 00000000..853eddc3
--- /dev/null
+++ "b/tests/data/issue-290/E%PU B/pa&c%26kag%2Fe\303\250.opf"
@@ -0,0 +1,33 @@
+
+
+
+ Minimal EPUB 3.0
+ en
+ NOID
+ https://example.com
+ 2017-01-01T00:00:01Z
+ structuralNavigation
+ everything OK!
+ noFlashingHazard
+ noSoundHazard
+ noMotionSimulationHazard
+ textual
+ textual
+
+
+
+
+