1 files changed, 63 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/caching.js b/js/src/jit-test/tests/wasm/caching.js
new file mode 100644
index 0000000000..d826d5c01c
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/caching.js
@@ -0,0 +1,63 @@
+// |jit-test| skip-if: !wasmCachingEnabled()
+
+load(libdir + "wasm-caching.js");
+load(libdir + "wasm-binary.js");
+
+testCached(`(module
+    (func $test (param i64) (result f64)
+        local.get 0
+        f64.convert_u/i64
+    )
+    (func (export "run") (result i32)
+        i64.const 1
+        call $test
+        f64.const 1
+        f64.eq
+    )
+)`,
+    undefined,
+    i => { assertEq(i.exports.run(), 1); }
+);
+
+testCached(
+    `(module
+       (type $long-serialized-type (func (param
+          i64 i32 f64 f32 i64 i32 f64 f32 i64 i32 f64 f32 i64 i32 f64 f32))) 
+       (func (export "run") (result i32)
+         (i32.const 42)))`,
+    undefined,
+    i => { assertEq(i.exports.run(), 42); }
+);
+
+testCached(
+    `(module
+       (type $T (func (result i32)))
+       (func $t1 (import "" "t1") (type $T))
+       (func $t2 (import "" "t2") (type $T))
+       (func $t3 (type $T) (i32.const 30))
+       (func $t4 (type $T) (i32.const 40))
+       (table funcref (elem $t1 $t2 $t3 $t4))
+       (func (export "run") (param i32) (result i32)
+         (call_indirect (type $T) (local.get 0))))`,
+    {'':{ t1() { return 10 }, t2() { return 20 } }},
+    i => {
+        assertEq(i.exports.run(0), 10);
+        assertEq(i.exports.run(1), 20);
+        assertEq(i.exports.run(2), 30);
+        assertEq(i.exports.run(3), 40);
+    }
+);
+
+testCached(
+  moduleWithSections([
+    sigSection([{args:[], ret:VoidCode}]),
+    declSection([0]),
+    exportSection([{funcIndex:0, name:"run"}]),
+    bodySection([funcBody({locals:[], body:[UnreachableCode]})]),
+    nameSection([funcNameSubsection([{name:"wee"}])])
+  ]),
+  undefined,
+  i => assertErrorMessage(() => i.exports.run(), RuntimeError, /unreachable/)
+);
+
+// Note: a fuller behavioral test of caching is in bench/wasm_box2d.js.