1 files changed, 174 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/ion2wasm.js b/js/src/jit-test/tests/wasm/ion2wasm.js
new file mode 100644
index 0000000000..abd88a0406
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/ion2wasm.js
@@ -0,0 +1,174 @@
+var ITERATIONS = 10;
+var INNER_ITERATIONS = 100;
+
+let instance = wasmEvalText(`(module
+    (func (export "add") (param i32) (param i32) (result i32)
+     local.get 0
+     local.get 1
+     i32.add
+    )
+
+    (func (export "no_arg") (result i32)
+     i32.const 42
+     i32.const 58
+     i32.add
+    )
+
+    (global $g (mut i32) (i32.const 0))
+
+    (func (export "set_global_one") (param i32)
+     local.get 0
+     global.set $g
+    )
+
+    (func (export "set_global_two") (param i32) (param i32)
+     local.get 0
+     local.get 1
+     i32.add
+     global.set $g
+    )
+
+    (func (export "glob") (result i32)
+     global.get $g
+    )
+)`).exports;
+
+function run(name, func) {
+    for (let i = ITERATIONS; i --> 0;) {
+        func();
+    }
+}
+
+function testCallKnown() {
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        assertEq(instance.add(i, i + 1), 2*i + 1);
+    }
+}
+
+function testCallKnownRectifying() {
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        assertEq(instance.add(i + 1), i+1);
+    }
+}
+
+function jsAdd(x, y) {
+    return (x|0) + (y|0) | 0;
+}
+
+function testCallGeneric() {
+    var arr = [instance.add, jsAdd];
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        assertEq(arr[i%2](i, i+1), 2*i + 1);
+    }
+}
+
+function testCallGenericRectifying() {
+    var arr = [instance.add, jsAdd];
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        assertEq(arr[i%2](i+1), i + 1);
+    }
+}
+
+function testCallScriptedGetter() {
+    var obj = {};
+    Object.defineProperty(obj, 'x', {
+        get: instance.no_arg
+    });
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        assertEq(obj.x, 100);
+    }
+}
+
+function testCallScriptedGetterRectifying() {
+    var obj = {};
+    Object.defineProperty(obj, 'x', {
+        // Missing two arguments.
+        get: instance.add
+    });
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        assertEq(obj.x, 0);
+    }
+}
+
+function testCallScriptedSetter() {
+    var obj = {};
+    Object.defineProperty(obj, 'x', {
+        set: instance.set_global_one
+    });
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        obj.x = i;
+    }
+    assertEq(instance.glob(), INNER_ITERATIONS-1);
+}
+
+function testCallScriptedSetterRectifying() {
+    var obj = {};
+    Object.defineProperty(obj, 'x', {
+        set: instance.set_global_two
+    });
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        obj.x = i;
+    }
+    assertEq(instance.glob(), INNER_ITERATIONS-1);
+}
+
+function testFunctionApplyArray() {
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        assertEq(instance.add.apply(null, [i, i + 1]), 2*i+1);
+    }
+}
+
+function testFunctionApplyArrayRectifying() {
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        assertEq(instance.add.apply(null, [i + 1]), i+1);
+    }
+}
+
+function testFunctionApplyArgs() {
+    function wrapper() {
+        assertEq(instance.add.apply(null, arguments), 2*arguments[0]+1);
+    }
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        wrapper(i, i + 1);
+    }
+}
+
+function testFunctionApplyArgsRectifying() {
+    function wrapper() {
+        assertEq(instance.add.apply(null, arguments), arguments[0]);
+    }
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        wrapper(i + 1);
+    }
+}
+
+function testFunctionCall() {
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        assertEq(instance.add.call(null, i, i + 1), 2*i+1);
+    }
+}
+
+function testFunctionCallRectifying() {
+    for (let i = 0; i < INNER_ITERATIONS; i++) {
+        assertEq(instance.add.call(null, i + 1), i+1);
+    }
+}
+
+run('call known', testCallKnown);
+run('call known rectifying', testCallKnownRectifying);
+
+run('call generic', testCallGeneric);
+run('call generic rectifying', testCallGenericRectifying);
+
+run('scripted getter', testCallScriptedGetter);
+run('scripted getter rectifiying', testCallScriptedGetterRectifying);
+run('scripted setter', testCallScriptedSetter);
+run('scripted setter rectifiying', testCallScriptedSetterRectifying);
+
+run('function.apply array', testFunctionApplyArray);
+run('function.apply array rectifying', testFunctionApplyArrayRectifying);
+run('function.apply args', testFunctionApplyArgs);
+run('function.apply args rectifying', testFunctionApplyArgsRectifying);
+
+run('function.call', testFunctionCall);
+run('function.call rectifying', testFunctionCallRectifying);