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}
121 lines
3.8 KiB
JavaScript
121 lines
3.8 KiB
JavaScript
// Copyright 2018 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 --experimental-wasm-eh --allow-natives-syntax
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load("test/mjsunit/wasm/wasm-module-builder.js");
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load("test/mjsunit/wasm/exceptions-utils.js");
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// Test that rethrow expressions work inside catch blocks.
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(function TestRethrowInCatch() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addException(kSig_v_v);
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builder.addFunction("rethrow0", kSig_v_v)
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.addBody([
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kExprTry, kWasmStmt,
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kExprThrow, except,
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kExprCatch,
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kExprRethrow,
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kExprEnd,
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]).exportFunc();
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builder.addFunction("rethrow1", kSig_i_i)
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.addLocals({except_count: 1})
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.addBody([
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kExprTry, kWasmI32,
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kExprThrow, except,
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kExprCatch,
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kExprSetLocal, 1,
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kExprGetLocal, 0,
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kExprI32Eqz,
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kExprIf, kWasmStmt,
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kExprGetLocal, 1,
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kExprRethrow,
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kExprEnd,
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kExprI32Const, 23,
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kExprEnd
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]).exportFunc();
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let instance = builder.instantiate();
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assertWasmThrows(instance, except, [], () => instance.exports.rethrow0());
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assertWasmThrows(instance, except, [], () => instance.exports.rethrow1(0));
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assertEquals(23, instance.exports.rethrow1(1));
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})();
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// Test that rethrow expressions work properly even in the presence of multiple
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// nested handlers being involved.
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(function TestRethrowNested() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except1 = builder.addException(kSig_v_v);
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let except2 = builder.addException(kSig_v_v);
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builder.addFunction("rethrow_nested", kSig_i_i)
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.addLocals({except_count: 2})
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.addBody([
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kExprTry, kWasmI32,
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kExprThrow, except2,
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kExprCatch,
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kExprSetLocal, 2,
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kExprTry, kWasmI32,
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kExprThrow, except1,
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kExprCatch,
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kExprSetLocal, 1,
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kExprGetLocal, 0,
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kExprI32Const, 0,
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kExprI32Eq,
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kExprIf, kWasmStmt,
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kExprGetLocal, 1,
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kExprRethrow,
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kExprEnd,
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kExprGetLocal, 0,
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kExprI32Const, 1,
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kExprI32Eq,
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kExprIf, kWasmStmt,
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kExprGetLocal, 2,
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kExprRethrow,
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kExprEnd,
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kExprI32Const, 23,
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kExprEnd,
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kExprEnd,
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]).exportFunc();
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let instance = builder.instantiate();
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assertWasmThrows(instance, except1, [], () => instance.exports.rethrow_nested(0));
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assertWasmThrows(instance, except2, [], () => instance.exports.rethrow_nested(1));
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assertEquals(23, instance.exports.rethrow_nested(2));
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})();
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// Test that an exception being rethrow can be caught by another local catch
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// block in the same function without ever unwinding the activation.
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(function TestRethrowRecatch() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let except = builder.addException(kSig_v_v);
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builder.addFunction("rethrow_recatch", kSig_i_i)
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.addLocals({except_count: 1})
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.addBody([
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kExprTry, kWasmI32,
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kExprThrow, except,
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kExprCatch,
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kExprSetLocal, 1,
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kExprTry, kWasmI32,
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kExprGetLocal, 0,
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kExprI32Eqz,
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kExprIf, kWasmStmt,
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kExprGetLocal, 1,
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kExprRethrow,
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kExprEnd,
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kExprI32Const, 42,
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kExprCatch,
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kExprDrop,
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kExprI32Const, 23,
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kExprEnd,
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kExprEnd,
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]).exportFunc();
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let instance = builder.instantiate();
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assertEquals(23, instance.exports.rethrow_recatch(0));
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assertEquals(42, instance.exports.rethrow_recatch(1));
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})();
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