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// Copyright 2019 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: --expose-wasm --experimental-wasm-anyref
load("test/mjsunit/wasm/wasm-module-builder.js");
(function TestGetAndSet() {
function addTableWithAccessors(builder, type, size, name) {
const table = builder.addTable(type, size);
const set_sig = makeSig([kWasmI32, type], []);
builder.addFunction('set_' + name, set_sig)
.addBody([kExprGetLocal, 0,
kExprGetLocal, 1,
kExprTableSet, table.index])
.exportFunc();
const get_sig = makeSig([kWasmI32], [type]);
builder.addFunction('get_' + name, get_sig)
.addBody([kExprGetLocal, 0, kExprTableGet, table.index])
.exportFunc();
}
const builder = new WasmModuleBuilder();
addTableWithAccessors(builder, kWasmAnyFunc, 10, 'table_func1');
addTableWithAccessors(builder, kWasmAnyRef, 20, 'table_ref1');
addTableWithAccessors(builder, kWasmAnyRef, 9, 'table_ref2');
addTableWithAccessors(builder, kWasmAnyFunc, 12, 'table_func2');
let exports = builder.instantiate().exports;
const dummy_ref = {foo : 1, bar : 3};
const dummy_func = exports.set_table_func1;
(function testTableGetInitialValue() {
print(arguments.callee.name);
// Tables are initialized with `null`.
assertSame(null, exports.get_table_func1(1));
assertSame(null, exports.get_table_func2(2));
assertSame(null, exports.get_table_ref1(3));
assertSame(null, exports.get_table_ref2(4));
})();
(function testTableGetOOB() {
print(arguments.callee.name);
assertSame(null, exports.get_table_func2(11));
assertTraps(kTrapTableOutOfBounds, () => exports.get_table_func1(11));
assertTraps(kTrapTableOutOfBounds, () => exports.get_table_func2(21));
assertTraps(kTrapTableOutOfBounds, () => exports.get_table_func1(-1));
assertTraps(kTrapTableOutOfBounds, () => exports.get_table_func2(-2));
assertSame(null, exports.get_table_ref1(14));
assertTraps(kTrapTableOutOfBounds, () => exports.get_table_ref2(14));
assertTraps(kTrapTableOutOfBounds, () => exports.get_table_ref1(44));
assertTraps(kTrapTableOutOfBounds, () => exports.get_table_ref2(-1));
assertTraps(kTrapTableOutOfBounds, () => exports.get_table_ref1(-4));
})();
(function testTableSetOOB() {
print(arguments.callee.name);
exports.set_table_func2(11, dummy_func);
assertTraps(kTrapTableOutOfBounds, () => exports.set_table_func1(11, dummy_func));
assertTraps(kTrapTableOutOfBounds, () => exports.set_table_func2(21, dummy_func));
exports.set_table_ref1(14, dummy_ref);
assertTraps(kTrapTableOutOfBounds, () => exports.set_table_ref2(14, dummy_ref));
assertTraps(kTrapTableOutOfBounds, () => exports.set_table_ref1(44, dummy_ref));
})();
(function testTableSet() {
print(arguments.callee.name);
assertSame(null, exports.get_table_func1(3));
exports.set_table_func1(3, dummy_func);
assertSame(dummy_func, exports.get_table_func1(3));
assertSame(null, exports.get_table_func2(3));
assertSame(null, exports.get_table_func2(7));
exports.set_table_func2(7, dummy_func);
assertSame(dummy_func, exports.get_table_func2(7));
assertSame(null, exports.get_table_func1(7));
assertSame(null, exports.get_table_ref1(3));
exports.set_table_ref1(3, dummy_ref);
assertSame(dummy_ref, exports.get_table_ref1(3));
assertSame(null, exports.get_table_ref2(3));
assertSame(null, exports.get_table_ref2(7));
exports.set_table_ref2(7, dummy_ref);
assertSame(dummy_ref, exports.get_table_ref2(7));
assertSame(null, exports.get_table_ref1(7));
})();
(function testSetFunctionTableInvalidType() {
print(arguments.callee.name);
assertThrows(() => exports.set_table_func2(7, dummy_ref), TypeError);
})();
})();
(function testGetFunctionFromInitializedTable() {
print(arguments.callee.name);
const value1 = 11;
const value2 = 22;
const value3 = 13;
const builder = new WasmModuleBuilder();
const t1 = builder.addTable(kWasmAnyFunc, 10).index;
const t2 = builder.addTable(kWasmAnyFunc, 12).index;
const f1 = builder.addFunction('f', kSig_i_v).addBody([kExprI32Const, value1]);
const f2 = builder.addFunction('f', kSig_i_v).addBody([kExprI32Const, value2]);
const f3 = builder.addFunction('f', kSig_i_v).addBody([kExprI32Const, value3]);
builder.addFunction('get_t1', kSig_a_i)
.addBody([kExprGetLocal, 0, kExprTableGet, t1])
.exportFunc();
builder.addFunction('get_t2', kSig_a_i)
.addBody([kExprGetLocal, 0, kExprTableGet, t2])
.exportFunc();
const offset1 = 3;
const offset2 = 9;
builder.addElementSegment(t1, offset1, false, [f1.index, f2.index]);
builder.addElementSegment(t2, offset2, false, [f3.index, f1.index]);
const instance = builder.instantiate();
assertEquals(value1, instance.exports.get_t1(offset1)());
assertEquals(value2, instance.exports.get_t1(offset1 + 1)());
assertEquals(value3, instance.exports.get_t2(offset2)());
assertEquals(value1, instance.exports.get_t2(offset2 + 1)());
})();
(function testRefFuncInTableIsCallable() {
print(arguments.callee.name);
const expected = 54;
const index = 3;
const builder = new WasmModuleBuilder();
const table_index = builder.addTable(kWasmAnyFunc, 15, 15).index;
const sig_index = builder.addType(kSig_i_v);
const function_index = builder.addFunction('hidden', sig_index)
.addBody([kExprI32Const, expected])
.index;
builder.addFunction('main', kSig_i_v)
.addBody([
kExprI32Const, index, // entry index
kExprRefFunc, function_index, // function reference
kExprTableSet, table_index, // --
kExprI32Const, index, // entry index
kExprCallIndirect, sig_index, table_index // --
])
.exportFunc();
const instance = builder.instantiate();
assertEquals(expected, instance.exports.main());
})();
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