77 lines
2.8 KiB
JavaScript
77 lines
2.8 KiB
JavaScript
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// Copyright 2019 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-anyref
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load("test/mjsunit/wasm/wasm-module-builder.js");
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const value1 = 11;
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const value2 = 22;
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const value3 = 46;
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const value4 = 57;
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const value5 = 13;
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// The offsets for the initialization of tables. The segement for table2 should
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// overlap with the segment of table1, because table2 is actually the imported
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// table1.
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const offset1 = 2;
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const offset2 = offset1 + 1;
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const offset3 = 4;
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const offset4 = 1;
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const instance_for_import = (function() {
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const builder_for_import = new WasmModuleBuilder();
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const t1 = builder_for_import.addTable(kWasmAnyFunc, 15, 15)
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.exportAs("table").index;
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const f1 = builder_for_import.addFunction('f1', kSig_i_v)
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.addBody([kExprI32Const, value1]).index;
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const f2 = builder_for_import.addFunction('f2', kSig_i_v)
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.addBody([kExprI32Const, value2]).index;
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builder_for_import.addElementSegment(t1, offset1, false, [f1, f2], false);
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const instance_for_import = builder_for_import.instantiate();
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const table1 = instance_for_import.exports.table;
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assertEquals(value1, table1.get(offset1)());
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assertEquals(value2, table1.get(offset1 + 1)());
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return instance_for_import;
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})();
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const builder = new WasmModuleBuilder();
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const t2 = builder.addImportedTable("exports", "table", 15, 15);
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builder.addExportOfKind("table2", kExternalTable, t2);
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const t3 = builder.addTable(kWasmAnyFunc, 10).exportAs("table3").index;
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const t4 = builder.addTable(kWasmAnyFunc, 12).exportAs("table4").index;
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const f3 = builder.addFunction('f3', kSig_i_v)
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.addBody([kExprI32Const, value3]).index;
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const f4 = builder.addFunction('f4', kSig_i_v)
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.addBody([kExprI32Const, value4]).index;
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const f5 = builder.addFunction('f5', kSig_i_v)
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.addBody([kExprI32Const, value5]).index;
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builder.addElementSegment(t2, offset2, false, [f3, f4], false);
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builder.addElementSegment(t3, offset3, false, [f5, f4], false);
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builder.addElementSegment(t4, offset4, false, [f3, f5], false);
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// Add one more overlapping offset
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builder.addElementSegment(t4, offset4 + 1, false, [f4, f3], false);
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const instance = builder.instantiate(instance_for_import);
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// table2 == table1
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const table2 = instance.exports.table2;
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const table3 = instance.exports.table3;
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const table4 = instance.exports.table4;
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// table1 == table2
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assertEquals(value1, table2.get(offset1)());
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assertEquals(value3, table2.get(offset2)());
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assertEquals(value4, table2.get(offset2 + 1)());
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assertEquals(value5, table3.get(offset3)());
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assertEquals(value4, table3.get(offset3 + 1)());
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assertEquals(value3, table4.get(offset4)());
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assertEquals(value4, table4.get(offset4 + 1)());
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assertEquals(value3, table4.get(offset4 + 2)());
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