Examples with WasmInstance org.graalvm.wasm.WasmInstance used on opensource projects

Example 26 with WasmInstance

use of org.graalvm.wasm.WasmInstance in project graal by oracle.

the class WasmJsApiSuite method testInstantiateWithExportMemory.

@Test
public void testInstantiateWithExportMemory() throws IOException {
    runTest(context -> {
        final WebAssembly wasm = new WebAssembly(context);
        WasmInstance instance = moduleInstantiate(wasm, binaryWithMemoryExport, null);
        try {
            final WasmMemory memory = (WasmMemory) WebAssembly.instanceExport(instance, "memory");
            final Object readZero = WebAssembly.instanceExport(instance, "readZero");
            memory.store_i32(null, 0, 174);
            final Object result = InteropLibrary.getUncached(readZero).execute(readZero);
            Assert.assertEquals("Must be 174.", 174, InteropLibrary.getUncached(result).asInt(result));
        } catch (InteropException e) {
            throw new RuntimeException(e);
        }
    });
}

Example 27 with WasmInstance

use of org.graalvm.wasm.WasmInstance in project graal by oracle.

the class WasmJsApiSuite method checkInstantiateWithImportGlobal.

private static void checkInstantiateWithImportGlobal(byte[] binaryWithGlobalImport, String globalType, Object globalValue) throws IOException {
    runTest(context -> {
        final WebAssembly wasm = new WebAssembly(context);
        final WasmGlobal global = WebAssembly.globalAlloc(ValueType.valueOf(globalType), false, globalValue);
        Dictionary importObject = Dictionary.create(new Object[] { "host", Dictionary.create(new Object[] { "defaultGlobal", global }) });
        final WasmInstance instance = moduleInstantiate(wasm, binaryWithGlobalImport, importObject);
        try {
            InteropLibrary interop = InteropLibrary.getUncached();
            final Object readGlobal1 = WebAssembly.instanceExport(instance, "readGlobal1");
            final Object readGlobal2 = WebAssembly.instanceExport(instance, "readGlobal2");
            final Object result1 = interop.execute(readGlobal1);
            final Object result2 = interop.execute(readGlobal2);
            Assert.assertEquals("Must be " + globalValue + " initially.", globalValue, result1);
            Assert.assertEquals("Must be " + globalValue + " initially.", globalValue, result2);
        } catch (InteropException e) {
            throw new RuntimeException(e);
        }
    });
}

Example 28 with WasmInstance

use of org.graalvm.wasm.WasmInstance in project graal by oracle.

the class WasmJsApiSuite method testInstantiateWithUnicodeExport.

@Test
public void testInstantiateWithUnicodeExport() throws IOException {
    runTest(context -> {
        final WebAssembly wasm = new WebAssembly(context);
        final WasmInstance instance = moduleInstantiate(wasm, binaryWithUnicodeExport, null);
        try {
            final Object euroSignFn = WebAssembly.instanceExport(instance, "\u20AC");
            final Object result = InteropLibrary.getUncached(euroSignFn).execute(euroSignFn);
            Assert.assertEquals("Result should be 42", 42, InteropLibrary.getUncached(result).asInt(result));
        } catch (InteropException e) {
            throw new RuntimeException(e);
        }
    });
}

Example 29 with WasmInstance

use of org.graalvm.wasm.WasmInstance in project graal by oracle.

the class WasmJsApiSuite method testTableInstanceOutOfBoundsGet.

@Test
public void testTableInstanceOutOfBoundsGet() throws IOException {
    runTest(context -> {
        final WebAssembly wasm = new WebAssembly(context);
        final WasmInstance instance = moduleInstantiate(wasm, binaryWithMixedExports, null);
        final InteropLibrary lib = InteropLibrary.getUncached();
        // We should be able to get element 1.
        try {
            final Object table = WebAssembly.instanceExport(instance, "t");
            final Object readTable = wasm.readMember("table_read");
            lib.execute(readTable, table, 0);
        } catch (UnsupportedMessageException | UnknownIdentifierException | UnsupportedTypeException | ArityException e) {
            throw new RuntimeException(e);
        }
        // But not element 2.
        try {
            final Object table = WebAssembly.instanceExport(instance, "t");
            final Object readTable = wasm.readMember("table_read");
            lib.execute(readTable, table, 1);
            Assert.fail("Should have failed - export count exceeds the limit");
        } catch (UnsupportedMessageException | UnknownIdentifierException | UnsupportedTypeException | ArityException e) {
            throw new RuntimeException(e);
        } catch (WasmJsApiException e) {
            Assert.assertEquals("Range error expected", WasmJsApiException.Kind.RangeError, e.kind());
        }
    });
}

Example 30 with WasmInstance

use of org.graalvm.wasm.WasmInstance in project graal by oracle.

the class WasmJsApiSuite method testExportSameFunctionInAndOutsideTable.

@Test
public void testExportSameFunctionInAndOutsideTable() throws IOException, InterruptedException {
    final byte[] sameFunctionInExportAndTable = compileWat("sameFunctionInExportAndTable", "(module (func $f (result i32) i32.const 1) (table 1 funcref) (elem (i32.const 0) $f) (export \"f\" (func $f)) (export \"t\" (table 0)))");
    runTest(context -> {
        final WebAssembly wasm = new WebAssembly(context);
        final WasmInstance instance = moduleInstantiate(wasm, sameFunctionInExportAndTable, null);
        final Object f = WebAssembly.instanceExport(instance, "f");
        final WasmTable t = (WasmTable) WebAssembly.instanceExport(instance, "t");
        final Object fInTable = WebAssembly.tableRead(t, 0);
        Assert.assertTrue("Returned function instances must be reference equal", f == fInTable);
    });
}