5bdb13297f
We noticed that almost every call site were loading both files, the split isn't necessary anymore. In some message tests, removed the absolute line number to allow future changes. Bug: v8:8726 Change-Id: I8527f0a1ecfa685aa01a5e2f5f47ddf1cb13a545 Reviewed-on: https://chromium-review.googlesource.com/c/1446452 Commit-Queue: Sven Sauleau <ssauleau@igalia.com> Reviewed-by: Ben Titzer <titzer@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#59220}
93 lines
2.8 KiB
JavaScript
93 lines
2.8 KiB
JavaScript
// 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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// Flags: --expose-wasm
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load("test/mjsunit/wasm/wasm-module-builder.js");
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// Collect the Callsite objects instead of just a string:
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Error.prepareStackTrace = function(error, frames) {
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return frames;
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};
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function testTrapLocations(instance, expected_stack_length) {
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function testWasmTrap(value, reason, position) {
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let function_name = arguments.callee.name;
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try {
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instance.exports.main(value);
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fail('expected wasm exception');
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} catch (e) {
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assertEquals(kTrapMsgs[reason], e.message, 'trap reason');
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// Check that the trapping function is the one which was called from this
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// function.
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assertTrue(
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e.stack[1].toString().startsWith(function_name), 'stack depth');
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assertEquals(0, e.stack[0].getLineNumber(), 'wasmFunctionIndex');
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assertEquals(position, e.stack[0].getPosition(), 'position');
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}
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}
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// The actual tests:
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testWasmTrap(0, kTrapDivByZero, 14);
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testWasmTrap(1, kTrapMemOutOfBounds, 15);
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testWasmTrap(2, kTrapUnreachable, 28);
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testWasmTrap(3, kTrapFuncInvalid, 32);
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}
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var builder = new WasmModuleBuilder();
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builder.addMemory(0, 1, false);
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var sig_index = builder.addType(kSig_i_v)
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// Build a function to resemble this code:
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// if (idx < 2) {
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// return load(-2 / idx);
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// } else if (idx == 2) {
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// unreachable;
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// } else {
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// return call_indirect(idx);
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// }
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// There are four different traps which are triggered by different input values:
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// (0) division by zero; (1) mem oob; (2) unreachable; (3) invalid call target
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// Each of them also has a different location where it traps.
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builder.addFunction("main", kSig_i_i)
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.addBody([
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// offset 1
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kExprBlock, kWasmI32,
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kExprGetLocal, 0,
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kExprI32Const, 2,
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kExprI32LtU,
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kExprIf, kWasmStmt,
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// offset 9
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kExprI32Const, 0x7e /* -2 */,
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kExprGetLocal, 0,
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kExprI32DivU,
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// offset 15
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kExprI32LoadMem, 0, 0,
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kExprBr, 1,
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kExprEnd,
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// offset 21
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kExprGetLocal, 0,
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kExprI32Const, 2,
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kExprI32Eq,
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kExprIf, kWasmStmt,
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kExprUnreachable,
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kExprEnd,
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// offset 30
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kExprGetLocal, 0,
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kExprCallIndirect, sig_index, kTableZero,
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kExprEnd,
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])
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.exportAs("main");
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builder.appendToTable([0]);
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let buffer = builder.toBuffer();
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// Test async compilation and instantiation.
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assertPromiseResult(WebAssembly.instantiate(buffer), pair => {
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testTrapLocations(pair.instance, 5);
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});
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// Test sync compilation and instantiation.
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testTrapLocations(builder.instantiate(), 4);
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