2017-03-15 15:57:02 +00:00
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// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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2017-04-04 08:48:32 +00:00
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// Flags: --wasm-interpret-all --allow-natives-syntax --expose-gc
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2017-03-15 15:57:02 +00:00
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load('test/mjsunit/wasm/wasm-constants.js');
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load('test/mjsunit/wasm/wasm-module-builder.js');
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// The stack trace contains file path, only keep "interpreter.js".
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let stripPath = s => s.replace(/[^ (]*interpreter\.js/g, 'interpreter.js');
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function checkStack(stack, expected_lines) {
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print('stack: ' + stack);
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var lines = stack.split('\n');
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assertEquals(expected_lines.length, lines.length);
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for (var i = 0; i < lines.length; ++i) {
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let test =
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typeof expected_lines[i] == 'string' ? assertEquals : assertMatches;
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test(expected_lines[i], lines[i], 'line ' + i);
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}
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}
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(function testCallImported() {
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2017-11-16 10:31:49 +00:00
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print(arguments.callee.name);
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2017-03-15 15:57:02 +00:00
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var stack;
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let func = () => stack = new Error('test imported stack').stack;
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var builder = new WasmModuleBuilder();
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builder.addImport('mod', 'func', kSig_v_v);
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builder.addFunction('main', kSig_v_v)
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.addBody([kExprCallFunction, 0])
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.exportFunc();
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var instance = builder.instantiate({mod: {func: func}});
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// Test that this does not mess up internal state by executing it three times.
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for (var i = 0; i < 3; ++i) {
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2017-05-22 11:08:54 +00:00
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var interpreted_before = %WasmNumInterpretedCalls(instance);
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2017-03-15 15:57:02 +00:00
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instance.exports.main();
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2017-05-22 11:08:54 +00:00
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assertEquals(interpreted_before + 1, %WasmNumInterpretedCalls(instance));
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2017-03-15 15:57:02 +00:00
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checkStack(stripPath(stack), [
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'Error: test imported stack', // -
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/^ at func \(interpreter.js:\d+:28\)$/, // -
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2017-06-09 12:19:20 +00:00
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' at main (wasm-function[1]:1)', // -
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2017-03-15 15:57:02 +00:00
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/^ at testCallImported \(interpreter.js:\d+:22\)$/, // -
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/^ at interpreter.js:\d+:3$/
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]);
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}
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})();
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(function testCallImportedWithParameters() {
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2017-11-16 10:31:49 +00:00
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print(arguments.callee.name);
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2017-03-15 15:57:02 +00:00
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var stack;
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var passed_args = [];
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let func1 = (i, j) => (passed_args.push(i, j), 2 * i + j);
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let func2 = (f) => (passed_args.push(f), 8 * f);
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var builder = new WasmModuleBuilder();
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builder.addImport('mod', 'func1', makeSig([kWasmI32, kWasmI32], [kWasmF32]));
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builder.addImport('mod', 'func2', makeSig([kWasmF64], [kWasmI32]));
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builder.addFunction('main', makeSig([kWasmI32, kWasmF64], [kWasmF32]))
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.addBody([
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// call #0 with arg 0 and arg 0 + 1
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kExprGetLocal, 0, kExprGetLocal, 0, kExprI32Const, 1, kExprI32Add,
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kExprCallFunction, 0,
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// call #1 with arg 1
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kExprGetLocal, 1, kExprCallFunction, 1,
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// convert returned value to f32
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kExprF32UConvertI32,
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// add the two values
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kExprF32Add
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])
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.exportFunc();
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var instance = builder.instantiate({mod: {func1: func1, func2: func2}});
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var interpreted_before = %WasmNumInterpretedCalls(instance);
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var args = [11, 0.3];
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var ret = instance.exports.main(...args);
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assertEquals(interpreted_before + 1, %WasmNumInterpretedCalls(instance));
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2017-03-15 15:57:02 +00:00
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var passed_test_args = [...passed_args];
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var expected = func1(args[0], args[0] + 1) + func2(args[1]) | 0;
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assertEquals(expected, ret);
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assertArrayEquals([args[0], args[0] + 1, args[1]], passed_test_args);
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})();
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2017-03-16 11:54:31 +00:00
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(function testTrap() {
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2017-11-16 10:31:49 +00:00
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print(arguments.callee.name);
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2017-03-16 11:54:31 +00:00
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var builder = new WasmModuleBuilder();
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var foo_idx = builder.addFunction('foo', kSig_v_v)
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.addBody([kExprNop, kExprNop, kExprUnreachable])
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.index;
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builder.addFunction('main', kSig_v_v)
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.addBody([kExprNop, kExprCallFunction, foo_idx])
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.exportFunc();
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var instance = builder.instantiate();
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// Test that this does not mess up internal state by executing it three times.
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for (var i = 0; i < 3; ++i) {
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2017-05-22 11:08:54 +00:00
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var interpreted_before = %WasmNumInterpretedCalls(instance);
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2017-03-16 11:54:31 +00:00
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var stack;
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try {
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instance.exports.main();
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assertUnreachable();
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} catch (e) {
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stack = e.stack;
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}
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assertEquals(interpreted_before + 2, %WasmNumInterpretedCalls(instance));
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2017-03-16 11:54:31 +00:00
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checkStack(stripPath(stack), [
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'RuntimeError: unreachable', // -
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2017-06-09 12:19:20 +00:00
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' at foo (wasm-function[0]:3)', // -
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' at main (wasm-function[1]:2)', // -
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2017-03-16 11:54:31 +00:00
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/^ at testTrap \(interpreter.js:\d+:24\)$/, // -
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/^ at interpreter.js:\d+:3$/
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]);
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}
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})();
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2017-03-20 12:53:01 +00:00
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(function testThrowFromImport() {
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2017-11-16 10:31:49 +00:00
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print(arguments.callee.name);
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2017-03-20 12:53:01 +00:00
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function func() {
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throw new Error('thrown from imported function');
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}
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var builder = new WasmModuleBuilder();
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builder.addImport("mod", "func", kSig_v_v);
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builder.addFunction('main', kSig_v_v)
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.addBody([kExprCallFunction, 0])
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.exportFunc();
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var instance = builder.instantiate({mod: {func: func}});
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// Test that this does not mess up internal state by executing it three times.
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for (var i = 0; i < 3; ++i) {
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2017-05-22 11:08:54 +00:00
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var interpreted_before = %WasmNumInterpretedCalls(instance);
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2017-03-20 12:53:01 +00:00
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var stack;
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try {
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instance.exports.main();
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assertUnreachable();
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} catch (e) {
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stack = e.stack;
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}
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2017-05-22 11:08:54 +00:00
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assertEquals(interpreted_before + 1, %WasmNumInterpretedCalls(instance));
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2017-03-20 12:53:01 +00:00
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checkStack(stripPath(stack), [
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2017-03-21 10:54:14 +00:00
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'Error: thrown from imported function', // -
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/^ at func \(interpreter.js:\d+:11\)$/, // -
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2017-06-09 12:19:20 +00:00
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' at main (wasm-function[1]:1)', // -
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2017-03-21 10:54:14 +00:00
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/^ at testThrowFromImport \(interpreter.js:\d+:24\)$/, // -
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2017-03-20 12:53:01 +00:00
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/^ at interpreter.js:\d+:3$/
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]);
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}
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})();
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2017-03-20 16:10:57 +00:00
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(function testGlobals() {
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2017-11-16 10:31:49 +00:00
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print(arguments.callee.name);
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2017-03-20 16:10:57 +00:00
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var builder = new WasmModuleBuilder();
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builder.addGlobal(kWasmI32, true); // 0
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builder.addGlobal(kWasmI64, true); // 1
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builder.addGlobal(kWasmF32, true); // 2
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builder.addGlobal(kWasmF64, true); // 3
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builder.addFunction('get_i32', kSig_i_v)
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.addBody([kExprGetGlobal, 0])
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.exportFunc();
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builder.addFunction('get_i64', kSig_d_v)
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.addBody([kExprGetGlobal, 1, kExprF64SConvertI64])
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.exportFunc();
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builder.addFunction('get_f32', kSig_d_v)
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.addBody([kExprGetGlobal, 2, kExprF64ConvertF32])
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.exportFunc();
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builder.addFunction('get_f64', kSig_d_v)
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.addBody([kExprGetGlobal, 3])
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.exportFunc();
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builder.addFunction('set_i32', kSig_v_i)
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.addBody([kExprGetLocal, 0, kExprSetGlobal, 0])
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.exportFunc();
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builder.addFunction('set_i64', kSig_v_d)
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.addBody([kExprGetLocal, 0, kExprI64SConvertF64, kExprSetGlobal, 1])
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.exportFunc();
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builder.addFunction('set_f32', kSig_v_d)
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.addBody([kExprGetLocal, 0, kExprF32ConvertF64, kExprSetGlobal, 2])
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.exportFunc();
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builder.addFunction('set_f64', kSig_v_d)
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.addBody([kExprGetLocal, 0, kExprSetGlobal, 3])
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.exportFunc();
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var instance = builder.instantiate();
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// Initially, all should be zero.
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assertEquals(0, instance.exports.get_i32());
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assertEquals(0, instance.exports.get_i64());
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assertEquals(0, instance.exports.get_f32());
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assertEquals(0, instance.exports.get_f64());
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// Assign values to all variables.
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var values = [4711, 1<<40 + 1 << 33, 0.3, 12.34567];
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instance.exports.set_i32(values[0]);
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instance.exports.set_i64(values[1]);
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instance.exports.set_f32(values[2]);
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instance.exports.set_f64(values[3]);
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// Now check the values.
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assertEquals(values[0], instance.exports.get_i32());
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assertEquals(values[1], instance.exports.get_i64());
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assertEqualsDelta(values[2], instance.exports.get_f32(), 2**-23);
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assertEquals(values[3], instance.exports.get_f64());
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})();
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2017-03-21 10:54:14 +00:00
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(function testReentrantInterpreter() {
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2017-11-16 10:31:49 +00:00
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print(arguments.callee.name);
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2017-03-21 10:54:14 +00:00
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var stacks;
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var instance;
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function func(i) {
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stacks.push(new Error('reentrant interpreter test #' + i).stack);
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if (i < 2) instance.exports.main(i + 1);
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}
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var builder = new WasmModuleBuilder();
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builder.addImport('mod', 'func', kSig_v_i);
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builder.addFunction('main', kSig_v_i)
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.addBody([kExprGetLocal, 0, kExprCallFunction, 0])
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.exportFunc();
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instance = builder.instantiate({mod: {func: func}});
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// Test that this does not mess up internal state by executing it three times.
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for (var i = 0; i < 3; ++i) {
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var interpreted_before = %WasmNumInterpretedCalls(instance);
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stacks = [];
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instance.exports.main(0);
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assertEquals(interpreted_before + 3, %WasmNumInterpretedCalls(instance));
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2017-03-21 10:54:14 +00:00
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assertEquals(3, stacks.length);
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for (var e = 0; e < stacks.length; ++e) {
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expected = ['Error: reentrant interpreter test #' + e];
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expected.push(/^ at func \(interpreter.js:\d+:17\)$/);
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2017-06-09 12:19:20 +00:00
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expected.push(' at main (wasm-function[1]:3)');
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for (var k = e; k > 0; --k) {
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expected.push(/^ at func \(interpreter.js:\d+:33\)$/);
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2017-06-09 12:19:20 +00:00
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expected.push(' at main (wasm-function[1]:3)');
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2017-03-21 10:54:14 +00:00
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}
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expected.push(
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/^ at testReentrantInterpreter \(interpreter.js:\d+:22\)$/);
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expected.push(/ at interpreter.js:\d+:3$/);
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checkStack(stripPath(stacks[e]), expected);
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}
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}
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})();
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2017-03-23 09:46:16 +00:00
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(function testIndirectImports() {
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2017-11-16 10:31:49 +00:00
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print(arguments.callee.name);
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2017-03-23 09:46:16 +00:00
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var builder = new WasmModuleBuilder();
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var sig_i_ii = builder.addType(kSig_i_ii);
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var sig_i_i = builder.addType(kSig_i_i);
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var mul = builder.addImport('q', 'mul', sig_i_ii);
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var add = builder.addFunction('add', sig_i_ii).addBody([
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kExprGetLocal, 0, kExprGetLocal, 1, kExprI32Add
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]);
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var mismatch =
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builder.addFunction('sig_mismatch', sig_i_i).addBody([kExprGetLocal, 0]);
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var main = builder.addFunction('main', kSig_i_iii)
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.addBody([
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// Call indirect #0 with args <#1, #2>.
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kExprGetLocal, 1, kExprGetLocal, 2, kExprGetLocal, 0,
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kExprCallIndirect, sig_i_ii, kTableZero
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])
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.exportFunc();
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builder.appendToTable([mul, add.index, mismatch.index, main.index]);
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var instance = builder.instantiate({q: {mul: (a, b) => a * b}});
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// Call mul.
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assertEquals(-6, instance.exports.main(0, -2, 3));
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// Call add.
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assertEquals(99, instance.exports.main(1, 22, 77));
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// main and sig_mismatch have another signature.
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assertTraps(kTrapFuncSigMismatch, () => instance.exports.main(2, 12, 33));
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assertTraps(kTrapFuncSigMismatch, () => instance.exports.main(3, 12, 33));
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// Function index 4 does not exist.
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assertTraps(kTrapFuncInvalid, () => instance.exports.main(4, 12, 33));
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})();
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(function testIllegalImports() {
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2017-11-16 10:31:49 +00:00
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print(arguments.callee.name);
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2017-03-23 09:46:16 +00:00
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var builder = new WasmModuleBuilder();
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var sig_l_v = builder.addType(kSig_l_v);
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var imp = builder.addImport('q', 'imp', sig_l_v);
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var direct = builder.addFunction('direct', kSig_l_v)
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.addBody([kExprCallFunction, imp])
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.exportFunc();
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var indirect = builder.addFunction('indirect', kSig_l_v).addBody([
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kExprI32Const, 0, kExprCallIndirect, sig_l_v, kTableZero
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]);
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var main =
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builder.addFunction('main', kSig_v_i)
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.addBody([
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// Call indirect #0 with arg #0, drop result.
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kExprGetLocal, 0, kExprCallIndirect, sig_l_v, kTableZero, kExprDrop
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])
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.exportFunc();
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builder.appendToTable([imp, direct.index, indirect.index]);
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var instance = builder.instantiate({q: {imp: () => 1}});
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// Calling imported functions with i64 in signature should fail.
|
|
|
|
try {
|
|
|
|
// Via direct call.
|
|
|
|
instance.exports.main(1);
|
|
|
|
} catch (e) {
|
|
|
|
if (!(e instanceof TypeError)) throw e;
|
|
|
|
checkStack(stripPath(e.stack), [
|
|
|
|
'TypeError: invalid type', // -
|
2017-06-09 12:19:20 +00:00
|
|
|
' at direct (wasm-function[1]:1)', // -
|
|
|
|
' at main (wasm-function[3]:3)', // -
|
2017-03-23 09:46:16 +00:00
|
|
|
/^ at testIllegalImports \(interpreter.js:\d+:22\)$/, // -
|
|
|
|
/^ at interpreter.js:\d+:3$/
|
|
|
|
]);
|
|
|
|
}
|
|
|
|
try {
|
|
|
|
// Via indirect call.
|
|
|
|
instance.exports.main(2);
|
|
|
|
} catch (e) {
|
|
|
|
if (!(e instanceof TypeError)) throw e;
|
|
|
|
checkStack(stripPath(e.stack), [
|
|
|
|
'TypeError: invalid type', // -
|
2017-06-09 12:19:20 +00:00
|
|
|
' at indirect (wasm-function[2]:1)', // -
|
|
|
|
' at main (wasm-function[3]:3)', // -
|
2017-03-23 09:46:16 +00:00
|
|
|
/^ at testIllegalImports \(interpreter.js:\d+:22\)$/, // -
|
|
|
|
/^ at interpreter.js:\d+:3$/
|
|
|
|
]);
|
|
|
|
}
|
|
|
|
})();
|
2017-03-31 08:29:02 +00:00
|
|
|
|
|
|
|
(function testInfiniteRecursion() {
|
2017-11-16 10:31:49 +00:00
|
|
|
print(arguments.callee.name);
|
2017-03-31 08:29:02 +00:00
|
|
|
var builder = new WasmModuleBuilder();
|
|
|
|
|
|
|
|
var direct = builder.addFunction('main', kSig_v_v)
|
|
|
|
.addBody([kExprNop, kExprCallFunction, 0])
|
|
|
|
.exportFunc();
|
|
|
|
var instance = builder.instantiate();
|
|
|
|
|
|
|
|
try {
|
|
|
|
instance.exports.main();
|
|
|
|
assertUnreachable("should throw");
|
|
|
|
} catch (e) {
|
|
|
|
if (!(e instanceof RangeError)) throw e;
|
|
|
|
checkStack(stripPath(e.stack), [
|
|
|
|
'RangeError: Maximum call stack size exceeded',
|
2017-06-09 12:19:20 +00:00
|
|
|
' at main (wasm-function[0]:0)'
|
|
|
|
].concat(Array(9).fill(' at main (wasm-function[0]:2)')));
|
2017-03-31 08:29:02 +00:00
|
|
|
}
|
|
|
|
})();
|
2017-03-31 09:23:22 +00:00
|
|
|
|
|
|
|
(function testUnwindSingleActivation() {
|
2017-11-16 10:31:49 +00:00
|
|
|
print(arguments.callee.name);
|
2017-03-31 09:23:22 +00:00
|
|
|
// Create two activations and unwind just the top one.
|
|
|
|
var builder = new WasmModuleBuilder();
|
|
|
|
|
|
|
|
function MyError(i) {
|
|
|
|
this.i = i;
|
|
|
|
}
|
|
|
|
|
2017-06-09 12:21:52 +00:00
|
|
|
// We call wasm -> func 1 -> wasm -> func2.
|
2017-03-31 09:23:22 +00:00
|
|
|
// func2 throws, func 1 catches.
|
|
|
|
function func1() {
|
|
|
|
try {
|
|
|
|
return instance.exports.foo();
|
|
|
|
} catch (e) {
|
|
|
|
if (!(e instanceof MyError)) throw e;
|
|
|
|
return e.i + 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function func2() {
|
|
|
|
throw new MyError(11);
|
|
|
|
}
|
|
|
|
var imp1 = builder.addImport('mod', 'func1', kSig_i_v);
|
|
|
|
var imp2 = builder.addImport('mod', 'func2', kSig_v_v);
|
|
|
|
builder.addFunction('main', kSig_i_v)
|
|
|
|
.addBody([kExprCallFunction, imp1, kExprI32Const, 2, kExprI32Mul])
|
|
|
|
.exportFunc();
|
|
|
|
builder.addFunction('foo', kSig_v_v)
|
|
|
|
.addBody([kExprCallFunction, imp2])
|
|
|
|
.exportFunc();
|
|
|
|
var instance = builder.instantiate({mod: {func1: func1, func2: func2}});
|
|
|
|
|
2017-05-22 11:08:54 +00:00
|
|
|
var interpreted_before = %WasmNumInterpretedCalls(instance);
|
2017-03-31 09:23:22 +00:00
|
|
|
assertEquals(2 * (11 + 2), instance.exports.main());
|
2017-05-22 11:08:54 +00:00
|
|
|
assertEquals(interpreted_before + 2, %WasmNumInterpretedCalls(instance));
|
2017-03-31 09:23:22 +00:00
|
|
|
})();
|
2017-04-04 08:48:32 +00:00
|
|
|
|
|
|
|
(function testInterpreterGC() {
|
2017-11-16 10:31:49 +00:00
|
|
|
print(arguments.callee.name);
|
2017-04-04 08:48:32 +00:00
|
|
|
function run(f) {
|
|
|
|
// wrap the creation in a closure so that the only thing returned is
|
2017-06-09 12:21:52 +00:00
|
|
|
// the module (i.e. the underlying array buffer of wasm wire bytes dies).
|
2017-04-04 08:48:32 +00:00
|
|
|
var module = (() => {
|
|
|
|
var builder = new WasmModuleBuilder();
|
|
|
|
var imp = builder.addImport('mod', 'the_name_of_my_import', kSig_i_i);
|
|
|
|
builder.addFunction('main', kSig_i_i)
|
|
|
|
.addBody([kExprGetLocal, 0, kExprCallFunction, imp])
|
|
|
|
.exportAs('main');
|
|
|
|
print('module');
|
|
|
|
return new WebAssembly.Module(builder.toBuffer());
|
|
|
|
})();
|
|
|
|
|
|
|
|
gc();
|
|
|
|
for (var i = 0; i < 10; i++) {
|
|
|
|
print(' instance ' + i);
|
|
|
|
var instance =
|
|
|
|
new WebAssembly.Instance(module, {'mod': {the_name_of_my_import: f}});
|
|
|
|
var g = instance.exports.main;
|
|
|
|
assertEquals('function', typeof g);
|
|
|
|
for (var j = 0; j < 10; j++) {
|
|
|
|
assertEquals(f(j), g(j));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
for (var i = 0; i < 3; i++) {
|
|
|
|
run(x => (x + 19));
|
|
|
|
run(x => (x - 18));
|
|
|
|
}
|
|
|
|
})();
|
2017-10-25 09:29:26 +00:00
|
|
|
|
|
|
|
(function testImportThrowsOnToNumber() {
|
2017-11-16 10:31:49 +00:00
|
|
|
print(arguments.callee.name);
|
2017-10-25 09:29:26 +00:00
|
|
|
const builder = new WasmModuleBuilder();
|
2017-11-16 10:31:49 +00:00
|
|
|
const imp_idx = builder.addImport('mod', 'func', kSig_i_v);
|
2017-10-25 09:29:26 +00:00
|
|
|
builder.addFunction('main', kSig_i_v)
|
2017-11-16 10:31:49 +00:00
|
|
|
.addBody([kExprCallFunction, imp_idx])
|
2017-10-25 09:29:26 +00:00
|
|
|
.exportFunc();
|
|
|
|
var num_callback_calls = 0;
|
|
|
|
const callback = () => {
|
|
|
|
++num_callback_calls;
|
|
|
|
return Symbol()
|
|
|
|
};
|
|
|
|
var instance = builder.instantiate({mod: {func: callback}});
|
|
|
|
// Test that this does not mess up internal state by executing it three times.
|
|
|
|
for (var i = 0; i < 3; ++i) {
|
|
|
|
var interpreted_before = %WasmNumInterpretedCalls(instance);
|
|
|
|
assertThrows(
|
|
|
|
() => instance.exports.main(), TypeError,
|
|
|
|
'Cannot convert a Symbol value to a number');
|
|
|
|
assertEquals(interpreted_before + 1, %WasmNumInterpretedCalls(instance));
|
|
|
|
assertEquals(i + 1, num_callback_calls);
|
|
|
|
}
|
|
|
|
})();
|
2017-11-16 10:31:49 +00:00
|
|
|
|
|
|
|
(function testCallWithMoreReturnsThenParams() {
|
|
|
|
print(arguments.callee.name);
|
|
|
|
const builder1 = new WasmModuleBuilder();
|
|
|
|
builder1.addFunction('exp', kSig_l_v)
|
|
|
|
.addBody([kExprI64Const, 23])
|
|
|
|
.exportFunc();
|
|
|
|
const exp = builder1.instantiate().exports.exp;
|
|
|
|
const builder2 = new WasmModuleBuilder();
|
|
|
|
const imp_idx = builder2.addImport('imp', 'func', kSig_l_v);
|
|
|
|
builder2.addFunction('main', kSig_i_v)
|
|
|
|
.addBody([kExprCallFunction, imp_idx, kExprI32ConvertI64])
|
|
|
|
.exportFunc();
|
|
|
|
const instance = builder2.instantiate({imp: {func: exp}});
|
|
|
|
assertEquals(23, instance.exports.main());
|
|
|
|
})();
|
2017-11-20 15:49:15 +00:00
|
|
|
|
|
|
|
(function testTableCall() {
|
|
|
|
print(arguments.callee.name);
|
|
|
|
const builder1 = new WasmModuleBuilder();
|
|
|
|
builder1.addFunction('func', kSig_v_v).addBody([]).exportFunc();
|
|
|
|
const instance1 = builder1.instantiate();
|
|
|
|
const table = new WebAssembly.Table({element: 'anyfunc', initial: 2});
|
|
|
|
|
|
|
|
const builder2 = new WasmModuleBuilder()
|
|
|
|
builder2.addImportedTable('m', 'table');
|
|
|
|
const sig = builder2.addType(kSig_v_v);
|
|
|
|
builder2.addFunction('call_func', kSig_v_v)
|
|
|
|
.addBody([kExprI32Const, 0, kExprCallIndirect, sig, kTableZero])
|
|
|
|
.exportFunc();
|
|
|
|
const instance2 = builder2.instantiate({m: {table: table}});
|
|
|
|
table.set(0, instance1.exports.func);
|
|
|
|
instance2.exports.call_func();
|
|
|
|
})();
|
2017-11-23 11:39:31 +00:00
|
|
|
|
|
|
|
(function testTableCall2() {
|
|
|
|
// See crbug.com/787910.
|
|
|
|
print(arguments.callee.name);
|
|
|
|
const builder1 = new WasmModuleBuilder();
|
|
|
|
builder1.addFunction('exp', kSig_i_i)
|
|
|
|
.addBody([kExprI32Const, 0])
|
|
|
|
.exportFunc();
|
|
|
|
const instance1 = builder1.instantiate();
|
|
|
|
const builder2 = new WasmModuleBuilder();
|
|
|
|
const sig1 = builder2.addType(kSig_i_v);
|
|
|
|
const sig2 = builder2.addType(kSig_i_i);
|
|
|
|
builder2.addFunction('call2', kSig_i_v)
|
|
|
|
.addBody([
|
|
|
|
kExprI32Const, 0, kExprI32Const, 0, kExprCallIndirect, sig2, kTableZero
|
|
|
|
])
|
|
|
|
.exportAs('call2');
|
|
|
|
builder2.addImportedTable('imp', 'table');
|
|
|
|
const tab = new WebAssembly.Table({
|
|
|
|
element: 'anyfunc',
|
|
|
|
initial: 3,
|
|
|
|
});
|
|
|
|
const instance2 = builder2.instantiate({imp: {table: tab}});
|
|
|
|
tab.set(0, instance1.exports.exp);
|
|
|
|
instance2.exports.call2();
|
|
|
|
})();
|