126 lines
3.6 KiB
JavaScript
126 lines
3.6 KiB
JavaScript
// META: global=window,dedicatedworker,jsshell,shadowrealm
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// META: script=/wasm/jsapi/wasm-module-builder.js
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// META: script=assertions.js
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function nulls(n) {
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return Array(n).fill(null);
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}
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test(() => {
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const argument = { "element": "anyfunc", "initial": 5 };
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const table = new WebAssembly.Table(argument);
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assert_throws_js(TypeError, () => table.grow());
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}, "Missing arguments");
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test(t => {
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const thisValues = [
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undefined,
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null,
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true,
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"",
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Symbol(),
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1,
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{},
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WebAssembly.Table,
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WebAssembly.Table.prototype,
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];
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const argument = {
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valueOf: t.unreached_func("Should not touch the argument (valueOf)"),
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toString: t.unreached_func("Should not touch the argument (toString)"),
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};
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const fn = WebAssembly.Table.prototype.grow;
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for (const thisValue of thisValues) {
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assert_throws_js(TypeError, () => fn.call(thisValue, argument), `this=${format_value(thisValue)}`);
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}
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}, "Branding");
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test(() => {
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const argument = { "element": "anyfunc", "initial": 5 };
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const table = new WebAssembly.Table(argument);
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assert_equal_to_array(table, nulls(5), "before");
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const result = table.grow(3);
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assert_equals(result, 5);
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assert_equal_to_array(table, nulls(8), "after");
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}, "Basic");
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test(() => {
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const argument = { "element": "anyfunc", "initial": 3, "maximum": 5 };
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const table = new WebAssembly.Table(argument);
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assert_equal_to_array(table, nulls(3), "before");
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const result = table.grow(2);
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assert_equals(result, 3);
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assert_equal_to_array(table, nulls(5), "after");
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}, "Reached maximum");
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test(() => {
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const argument = { "element": "anyfunc", "initial": 2, "maximum": 5 };
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const table = new WebAssembly.Table(argument);
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assert_equal_to_array(table, nulls(2), "before");
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assert_throws_js(RangeError, () => table.grow(4));
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assert_equal_to_array(table, nulls(2), "after");
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}, "Exceeded maximum");
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const outOfRangeValues = [
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undefined,
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NaN,
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Infinity,
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-Infinity,
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-1,
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0x100000000,
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0x1000000000,
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"0x100000000",
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{ valueOf() { return 0x100000000; } },
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];
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for (const value of outOfRangeValues) {
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test(() => {
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const argument = { "element": "anyfunc", "initial": 1 };
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const table = new WebAssembly.Table(argument);
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assert_throws_js(TypeError, () => table.grow(value));
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}, `Out-of-range argument: ${format_value(value)}`);
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}
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test(() => {
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const argument = { "element": "anyfunc", "initial": 5 };
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const table = new WebAssembly.Table(argument);
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assert_equal_to_array(table, nulls(5), "before");
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const result = table.grow(3, null, {});
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assert_equals(result, 5);
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assert_equal_to_array(table, nulls(8), "after");
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}, "Stray argument");
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test(() => {
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const builder = new WasmModuleBuilder();
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builder
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.addFunction("fn", kSig_v_v)
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.addBody([])
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.exportFunc();
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const bin = builder.toBuffer()
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const argument = { "element": "anyfunc", "initial": 1 };
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const table = new WebAssembly.Table(argument);
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const fn = new WebAssembly.Instance(new WebAssembly.Module(bin)).exports.fn;
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const result = table.grow(2, fn);
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assert_equals(result, 1);
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assert_equals(table.get(0), null);
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assert_equals(table.get(1), fn);
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assert_equals(table.get(2), fn);
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}, "Grow with exported-function argument");
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test(() => {
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const argument = { "element": "anyfunc", "initial": 1 };
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const table = new WebAssembly.Table(argument);
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assert_throws_js(TypeError, () => table.grow(2, {}));
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}, "Grow with non-function argument");
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test(() => {
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const argument = { "element": "anyfunc", "initial": 1 };
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const table = new WebAssembly.Table(argument);
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assert_throws_js(TypeError, () => table.grow(2, () => true));
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}, "Grow with JS-function argument");
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