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// Copyright 2022 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --experimental-wasm-gc --experimental-wasm-stringref
// Flags: --no-wasm-gc-structref-as-dataref
d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
let tableTypes = {
"anyref": kWasmAnyRef,
"eqref": kWasmEqRef,
"structref": kWasmStructRef,
"arrayref": kWasmArrayRef,
};
// Test table consistency check.
for (let [typeName, type] of Object.entries(tableTypes)) {
print("TestTableTypeCheck_" + typeName);
let builder = new WasmModuleBuilder();
const size = 10;
builder.addImportedTable("imports", "table", size, size, type);
for (let typeName2 in tableTypes) {
let table = new WebAssembly.Table({
initial: size, maximum: size, element: typeName2
});
if (typeName == typeName2) {
builder.instantiate({ imports: { table } });
} else {
let err = 'WebAssembly.Instance(): Import #0 module="imports" ' +
'function="table" error: imported table does not match the ' +
'expected type';
assertThrows(() => builder.instantiate({ imports: { table } }),
WebAssembly.LinkError,
err);
}
}
}
// Test table usage from JS and Wasm.
for (let [typeName, type] of Object.entries(tableTypes)) {
print("TestImportedTable_" + typeName);
let builder = new WasmModuleBuilder();
const size = 10;
const maxSize = 20;
let table = new WebAssembly.Table({
initial: size, maximum: maxSize, element: typeName
});
let creatorSig = builder.addType(makeSig([], [type]));
let creatorAnySig = builder.addType(makeSig([], [kWasmAnyRef]));
let struct = builder.addStruct([makeField(kWasmI32, false)]);
let array = builder.addArray(kWasmI32, true);
builder.addImportedTable("imports", "table", size, maxSize, type);
builder.addFunction("tableSet",
makeSig([kWasmI32, wasmRefType(creatorSig)], []))
.addBody([
kExprLocalGet, 0,
kExprLocalGet, 1,
kExprCallRef, creatorSig,
kExprTableSet, 0,
])
.exportFunc();
builder.addFunction("tableGet", makeSig([kWasmI32], [kWasmExternRef]))
.addBody([
kExprLocalGet, 0, kExprTableGet, 0,
kGCPrefix, kExprExternExternalize,
])
.exportFunc();
let getValSig = makeSig([kWasmI32], [kWasmI32]);
builder.addFunction("tableGetStructVal", getValSig)
.addBody([
kExprLocalGet, 0, kExprTableGet, 0,
kGCPrefix, kExprRefAsStruct,
kGCPrefix, kExprRefCast, struct,
kGCPrefix, kExprStructGet, struct, 0,
])
.exportFunc();
builder.addFunction("tableGetArrayVal", getValSig)
.addBody([
kExprLocalGet, 0, kExprTableGet, 0,
kGCPrefix, kExprRefAsArray,
kGCPrefix, kExprRefCast, array,
kExprI32Const, 0,
kGCPrefix, kExprArrayGet, array,
])
.exportFunc();
builder.addFunction("exported",
makeSig([wasmRefType(creatorSig)], [kWasmExternRef]))
.addBody([
kExprLocalGet, 0,
kExprCallRef, creatorSig,
kGCPrefix, kExprExternExternalize,
])
.exportFunc();
builder.addFunction("exportedAny",
makeSig([wasmRefType(creatorAnySig)], [kWasmExternRef]))
.addBody([
kExprLocalGet, 0,
kExprCallRef, creatorAnySig,
kGCPrefix, kExprExternExternalize,
])
.exportFunc();
builder.addFunction("createNull", creatorSig)
.addBody([kExprRefNull, kNullRefCode])
.exportFunc();
let i31Sig = typeName != "structref" && typeName != "arrayref"
? creatorSig : creatorAnySig;
builder.addFunction("createI31", i31Sig)
.addBody([kExprI32Const, 12, kGCPrefix, kExprI31New])
.exportFunc();
let structSig = typeName != "arrayref" ? creatorSig : creatorAnySig;
builder.addFunction("createStruct", structSig)
.addBody([kExprI32Const, 12, kGCPrefix, kExprStructNew, struct])
.exportFunc();
let arraySig = typeName != "structref" ? creatorSig : creatorAnySig;
builder.addFunction("createArray", arraySig)
.addBody([
kExprI32Const, 12,
kGCPrefix, kExprArrayNewFixed, array, 1
])
.exportFunc();
if (typeName == "anyref") {
builder.addFunction("tableSetFromExtern",
makeSig([kWasmI32, kWasmExternRef], []))
.addBody([
kExprLocalGet, 0,
kExprLocalGet, 1,
kGCPrefix, kExprExternInternalize,
kExprTableSet, 0,
])
.exportFunc();
}
let instance = builder.instantiate({ imports: { table } });
let wasm = instance.exports;
// Set null.
table.set(0, null);
assertEquals(null, wasm.tableGet(0));
assertEquals(null, table.get(0));
wasm.tableSet(1, wasm.createNull);
assertEquals(null, wasm.tableGet(1));
assertEquals(null, table.get(1));
// Set i31.
if (typeName != "structref" && typeName != "arrayref") {
table.set(2, wasm.exported(wasm.createI31));
assertSame(table.get(2), wasm.tableGet(2));
wasm.tableSet(3, wasm.createI31);
assertSame(table.get(3), wasm.tableGet(3));
assertSame(table.get(2), table.get(3)); // The same smi.
}
// Set struct.
if (typeName != "arrayref") {
table.set(4, wasm.exported(wasm.createStruct));
assertSame(table.get(4), wasm.tableGet(4));
assertEquals(12, wasm.tableGetStructVal(4));
wasm.tableSet(5, wasm.createStruct);
assertSame(table.get(5), wasm.tableGet(5));
assertEquals(12, wasm.tableGetStructVal(5));
assertNotSame(table.get(4), table.get(5));
}
// Set array.
if (typeName != "structref") {
table.set(6, wasm.exported(wasm.createArray));
assertSame(table.get(6), wasm.tableGet(6));
assertEquals(12, wasm.tableGetArrayVal(6));
wasm.tableSet(7, wasm.createArray);
assertSame(table.get(7), wasm.tableGet(7));
assertEquals(12, wasm.tableGetArrayVal(7));
assertNotSame(table.get(6), table.get(7));
}
// Set stringref.
if (typeName == "anyref") {
table.set(8, "TestString");
assertEquals("TestString", wasm.tableGet(8));
assertEquals("TestString", table.get(8));
let largeString = "Another test string, this time larger to prevent"
+ " any kind of short string optimization.";
wasm.tableSetFromExtern(9, largeString);
assertEquals(largeString, wasm.tableGet(9));
assertEquals(largeString, table.get(9));
}
if (typeName != "arrayref") {
// Grow table with explicit value.
table.grow(2, wasm.exported(wasm.createStruct));
assertEquals(12, wasm.tableGetStructVal(size));
assertEquals(12, wasm.tableGetStructVal(size + 1));
assertTraps(kTrapTableOutOfBounds, () => wasm.tableGetStructVal(size + 2));
// Grow by 1 without initial value.
table.grow(1, null);
table.grow(1, undefined);
}
if (typeName == "anyref") {
table.grow(1, "Grow using a string");
assertEquals("Grow using a string", wasm.tableGet(14));
assertEquals("Grow using a string", table.get(14));
}
// Set from JS with wrapped wasm value of incompatible type.
let invalidValues = {
"anyref": [],
"eqref": [],
"structref": ["I31", "Array"],
"arrayref": ["I31", "Struct"],
};
for (let invalidType of invalidValues[typeName]) {
print(`Test invalid type ${invalidType} for ${typeName}`);
let invalid_value = wasm.exportedAny(wasm[`create${invalidType}`]);
assertThrows(() => table.grow(1, invalid_value), TypeError);
assertThrows(() => table.set(1, invalid_value), TypeError);
}
}
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