Upload Kmake

test/fixtures/wpt/wasm/jsapi/table/assertions.js

@@ -0,0 +1,24 @@
+function assert_equal_to_array(table, expected, message) {
+  assert_equals(table.length, expected.length, `${message}: length`);
+  // The argument check in get() happens before the range check, and negative numbers
+  // are illegal, hence will throw TypeError per spec.
+  assert_throws_js(TypeError, () => table.get(-1), `${message}: table.get(-1)`);
+  for (let i = 0; i < expected.length; ++i) {
+    assert_equals(table.get(i), expected[i], `${message}: table.get(${i} of ${expected.length})`);
+  }
+  assert_throws_js(RangeError, () => table.get(expected.length),
+                   `${message}: table.get(${expected.length} of ${expected.length})`);
+  assert_throws_js(RangeError, () => table.get(expected.length + 1),
+                   `${message}: table.get(${expected.length + 1} of ${expected.length})`);
+}
+
+function assert_Table(actual, expected) {
+  assert_equals(Object.getPrototypeOf(actual), WebAssembly.Table.prototype,
+                "prototype");
+  assert_true(Object.isExtensible(actual), "extensible");
+
+  assert_equals(actual.length, expected.length, "length");
+  for (let i = 0; i < expected.length; ++i) {
+    assert_equals(actual.get(i), null, `actual.get(${i})`);
+  }
+}

test/fixtures/wpt/wasm/jsapi/table/constructor-types.tentative.any.js

@@ -0,0 +1,20 @@
+// META: global=window,dedicatedworker,jsshell
+// META: script=/wasm/jsapi/assertions.js
+// META: script=/wasm/jsapi/table/assertions.js
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 0, "minimum": 0 };
+  assert_throws_js(TypeError, () => new WebAssembly.Table(argument));
+}, "Initializing with both initial and minimum");
+
+test(() => {
+  const argument = { "element": "anyfunc", "minimum": 0 };
+  const table = new WebAssembly.Table(argument);
+  assert_Table(table, { "length": 0 });
+}, "Zero minimum");
+
+test(() => {
+  const argument = { "element": "anyfunc", "minimum": 5 };
+  const table = new WebAssembly.Table(argument);
+  assert_Table(table, { "length": 5 });
+}, "Non-zero minimum");

test/fixtures/wpt/wasm/jsapi/table/constructor.any.js

@@ -0,0 +1,208 @@
+// META: global=window,dedicatedworker,jsshell
+// META: script=/wasm/jsapi/wasm-module-builder.js
+// META: script=/wasm/jsapi/assertions.js
+// META: script=/wasm/jsapi/table/assertions.js
+
+test(() => {
+  assert_function_name(WebAssembly.Table, "Table", "WebAssembly.Table");
+}, "name");
+
+test(() => {
+  assert_function_length(WebAssembly.Table, 1, "WebAssembly.Table");
+}, "length");
+
+test(() => {
+  assert_throws_js(TypeError, () => new WebAssembly.Table());
+}, "No arguments");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 0 };
+  assert_throws_js(TypeError, () => WebAssembly.Table(argument));
+}, "Calling");
+
+test(() => {
+  assert_throws_js(TypeError, () => new WebAssembly.Table({}));
+}, "Empty descriptor");
+
+test(() => {
+  const invalidArguments = [
+    undefined,
+    null,
+    false,
+    true,
+    "",
+    "test",
+    Symbol(),
+    1,
+    NaN,
+    {},
+  ];
+  for (const invalidArgument of invalidArguments) {
+    assert_throws_js(TypeError,
+                     () => new WebAssembly.Table(invalidArgument),
+                     `new Table(${format_value(invalidArgument)})`);
+  }
+}, "Invalid descriptor argument");
+
+test(() => {
+  assert_throws_js(TypeError, () => new WebAssembly.Table({ "element": "anyfunc", "initial": undefined }));
+}, "Undefined initial value in descriptor");
+
+test(() => {
+  assert_throws_js(TypeError, () => new WebAssembly.Table({ "element": undefined, "initial": 0 }));
+}, "Undefined element value in descriptor");
+
+const outOfRangeValues = [
+  NaN,
+  Infinity,
+  -Infinity,
+  -1,
+  0x100000000,
+  0x1000000000,
+];
+
+for (const value of outOfRangeValues) {
+  test(() => {
+    assert_throws_js(TypeError, () => new WebAssembly.Table({ "element": "anyfunc", "initial": value }));
+  }, `Out-of-range initial value in descriptor: ${format_value(value)}`);
+
+  test(() => {
+    assert_throws_js(TypeError, () => new WebAssembly.Table({ "element": "anyfunc", "initial": 0, "maximum": value }));
+  }, `Out-of-range maximum value in descriptor: ${format_value(value)}`);
+}
+
+test(() => {
+  assert_throws_js(RangeError, () => new WebAssembly.Table({ "element": "anyfunc", "initial": 10, "maximum": 9 }));
+}, "Initial value exceeds maximum");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 0 };
+  const table = new WebAssembly.Table(argument);
+  assert_Table(table, { "length": 0 });
+}, "Basic (zero)");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 5 };
+  const table = new WebAssembly.Table(argument);
+  assert_Table(table, { "length": 5 });
+}, "Basic (non-zero)");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 0 };
+  const table = new WebAssembly.Table(argument, null, {});
+  assert_Table(table, { "length": 0 });
+}, "Stray argument");
+
+test(() => {
+  const proxy = new Proxy({}, {
+    has(o, x) {
+      assert_unreached(`Should not call [[HasProperty]] with ${x}`);
+    },
+    get(o, x) {
+      switch (x) {
+      case "element":
+        return "anyfunc";
+      case "initial":
+      case "maximum":
+        return 0;
+      default:
+        return undefined;
+      }
+    },
+  });
+  const table = new WebAssembly.Table(proxy);
+  assert_Table(table, { "length": 0 });
+}, "Proxy descriptor");
+
+test(() => {
+  const table = new WebAssembly.Table({
+    "element": {
+      toString() { return "anyfunc"; },
+    },
+    "initial": 1,
+  });
+  assert_Table(table, { "length": 1 });
+}, "Type conversion for descriptor.element");
+
+test(() => {
+  const order = [];
+
+  new WebAssembly.Table({
+    get maximum() {
+      order.push("maximum");
+      return {
+        valueOf() {
+          order.push("maximum valueOf");
+          return 1;
+        },
+      };
+    },
+
+    get initial() {
+      order.push("initial");
+      return {
+        valueOf() {
+          order.push("initial valueOf");
+          return 1;
+        },
+      };
+    },
+
+    get element() {
+      order.push("element");
+      return {
+        toString() {
+          order.push("element toString");
+          return "anyfunc";
+        },
+      };
+    },
+  });
+
+  assert_array_equals(order, [
+    "element",
+    "element toString",
+    "initial",
+    "initial valueOf",
+    "maximum",
+    "maximum valueOf",
+  ]);
+}, "Order of evaluation for descriptor");
+
+test(() => {
+  const testObject = {};
+  const argument = { "element": "externref", "initial": 3 };
+  const table = new WebAssembly.Table(argument, testObject);
+  assert_equals(table.length, 3);
+  assert_equals(table.get(0), testObject);
+  assert_equals(table.get(1), testObject);
+  assert_equals(table.get(2), testObject);
+}, "initialize externref table with default value");
+
+test(() => {
+  const argument = { "element": "i32", "initial": 3 };
+  assert_throws_js(TypeError, () => new WebAssembly.Table(argument));
+}, "initialize table with a wrong element value");
+
+test(() => {
+  const builder = new WasmModuleBuilder();
+  builder
+    .addFunction("fn", kSig_v_v)
+    .addBody([])
+    .exportFunc();
+  const bin = builder.toBuffer();
+  const fn = new WebAssembly.Instance(new WebAssembly.Module(bin)).exports.fn;
+  const argument = { "element": "anyfunc", "initial": 3 };
+  const table = new WebAssembly.Table(argument, fn);
+  assert_equals(table.length, 3);
+  assert_equals(table.get(0), fn);
+  assert_equals(table.get(1), fn);
+  assert_equals(table.get(2), fn);
+}, "initialize anyfunc table with default value");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 3 };
+  assert_throws_js(TypeError, () => new WebAssembly.Table(argument, {}));
+  assert_throws_js(TypeError, () => new WebAssembly.Table(argument, "cannot be used as a wasm function"));
+  assert_throws_js(TypeError, () => new WebAssembly.Table(argument, 37));
+}, "initialize anyfunc table with a bad default value");

test/fixtures/wpt/wasm/jsapi/table/get-set.any.js

@@ -0,0 +1,263 @@
+// META: global=window,dedicatedworker,jsshell
+// META: script=/wasm/jsapi/wasm-module-builder.js
+// META: script=assertions.js
+
+let functions = {};
+setup(() => {
+  const builder = new WasmModuleBuilder();
+
+  builder
+    .addFunction("fn", kSig_v_d)
+    .addBody([])
+    .exportFunc();
+  builder
+    .addFunction("fn2", kSig_v_v)
+    .addBody([])
+    .exportFunc();
+
+  const buffer = builder.toBuffer()
+  const module = new WebAssembly.Module(buffer);
+  const instance = new WebAssembly.Instance(module, {});
+  functions = instance.exports;
+});
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 5 };
+  const table = new WebAssembly.Table(argument);
+  assert_throws_js(TypeError, () => table.get());
+}, "Missing arguments: get");
+
+test(t => {
+  const thisValues = [
+    undefined,
+    null,
+    true,
+    "",
+    Symbol(),
+    1,
+    {},
+    WebAssembly.Table,
+    WebAssembly.Table.prototype,
+  ];
+
+  const argument = {
+    valueOf: t.unreached_func("Should not touch the argument (valueOf)"),
+    toString: t.unreached_func("Should not touch the argument (toString)"),
+  };
+
+  const fn = WebAssembly.Table.prototype.get;
+
+  for (const thisValue of thisValues) {
+    assert_throws_js(TypeError, () => fn.call(thisValue, argument), `this=${format_value(thisValue)}`);
+  }
+}, "Branding: get");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 5 };
+  const table = new WebAssembly.Table(argument);
+  assert_throws_js(TypeError, () => table.set());
+}, "Missing arguments: set");
+
+test(t => {
+  const thisValues = [
+    undefined,
+    null,
+    true,
+    "",
+    Symbol(),
+    1,
+    {},
+    WebAssembly.Table,
+    WebAssembly.Table.prototype,
+  ];
+
+  const argument = {
+    valueOf: t.unreached_func("Should not touch the argument (valueOf)"),
+    toString: t.unreached_func("Should not touch the argument (toString)"),
+  };
+
+  const fn = WebAssembly.Table.prototype.set;
+
+  for (const thisValue of thisValues) {
+    assert_throws_js(TypeError, () => fn.call(thisValue, argument, null), `this=${format_value(thisValue)}`);
+  }
+}, "Branding: set");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 5 };
+  const table = new WebAssembly.Table(argument);
+  assert_equal_to_array(table, [null, null, null, null, null]);
+
+  const {fn, fn2} = functions;
+
+  assert_equals(table.set(0, fn), undefined, "set() returns undefined.");
+  table.set(2, fn2);
+  table.set(4, fn);
+
+  assert_equal_to_array(table, [fn, null, fn2, null, fn]);
+
+  table.set(0, null);
+  assert_equal_to_array(table, [null, null, fn2, null, fn]);
+}, "Basic");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 5 };
+  const table = new WebAssembly.Table(argument);
+  assert_equal_to_array(table, [null, null, null, null, null]);
+
+  const {fn, fn2} = functions;
+
+  table.set(0, fn);
+  table.set(2, fn2);
+  table.set(4, fn);
+
+  assert_equal_to_array(table, [fn, null, fn2, null, fn]);
+
+  table.grow(4);
+
+  assert_equal_to_array(table, [fn, null, fn2, null, fn, null, null, null, null]);
+}, "Growing");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 5 };
+  const table = new WebAssembly.Table(argument);
+  assert_equal_to_array(table, [null, null, null, null, null]);
+
+  const {fn} = functions;
+
+  // -1 is the wrong type hence the type check on entry gets this
+  // before the range check does.
+  assert_throws_js(TypeError, () => table.set(-1, fn));
+  assert_throws_js(RangeError, () => table.set(5, fn));
+  assert_equal_to_array(table, [null, null, null, null, null]);
+}, "Setting out-of-bounds");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 1 };
+  const table = new WebAssembly.Table(argument);
+  assert_equal_to_array(table, [null]);
+
+  const invalidArguments = [
+    undefined,
+    true,
+    false,
+    "test",
+    Symbol(),
+    7,
+    NaN,
+    {},
+  ];
+  for (const argument of invalidArguments) {
+    assert_throws_js(TypeError, () => table.set(0, argument),
+                     `set(${format_value(argument)})`);
+  }
+  assert_equal_to_array(table, [null]);
+}, "Setting non-function");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 1 };
+  const table = new WebAssembly.Table(argument);
+  assert_equal_to_array(table, [null]);
+
+  const fn = function() {};
+  assert_throws_js(TypeError, () => table.set(0, fn));
+  assert_equal_to_array(table, [null]);
+}, "Setting non-wasm function");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 1 };
+  const table = new WebAssembly.Table(argument);
+  assert_equal_to_array(table, [null]);
+
+  const fn = () => {};
+  assert_throws_js(TypeError, () => table.set(0, fn));
+  assert_equal_to_array(table, [null]);
+}, "Setting non-wasm arrow function");
+
+const outOfRangeValues = [
+  undefined,
+  NaN,
+  Infinity,
+  -Infinity,
+  -1,
+  0x100000000,
+  0x1000000000,
+  "0x100000000",
+  { valueOf() { return 0x100000000; } },
+];
+
+for (const value of outOfRangeValues) {
+  test(() => {
+    const argument = { "element": "anyfunc", "initial": 1 };
+    const table = new WebAssembly.Table(argument);
+    assert_throws_js(TypeError, () => table.get(value));
+  }, `Getting out-of-range argument: ${format_value(value)}`);
+
+  test(() => {
+    const argument = { "element": "anyfunc", "initial": 1 };
+    const table = new WebAssembly.Table(argument);
+    assert_throws_js(TypeError, () => table.set(value, null));
+  }, `Setting out-of-range argument: ${format_value(value)}`);
+}
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 1 };
+  const table = new WebAssembly.Table(argument);
+  let called = 0;
+  const value = {
+    valueOf() {
+      called++;
+      return 0;
+    },
+  };
+  assert_throws_js(TypeError, () => table.set(value, {}));
+  assert_equals(called, 1);
+}, "Order of argument conversion");
+
+test(() => {
+  const {fn} = functions;
+  const argument = { "element": "anyfunc", "initial": 1 };
+  const table = new WebAssembly.Table(argument);
+
+  assert_equals(table.get(0, {}), null);
+  assert_equals(table.set(0, fn, {}), undefined);
+}, "Stray argument");
+
+test(() => {
+  const builder = new WasmModuleBuilder();
+  builder
+    .addFunction("fn", kSig_v_v)
+    .addBody([])
+    .exportFunc();
+  const bin = builder.toBuffer();
+  const fn = new WebAssembly.Instance(new WebAssembly.Module(bin)).exports.fn;
+
+  const argument = { "element": "anyfunc", "initial": 1 };
+  const table = new WebAssembly.Table(argument, fn);
+
+  assert_equals(table.get(0), fn);
+  table.set(0);
+  assert_equals(table.get(0), null);
+
+  table.set(0, fn);
+  assert_equals(table.get(0), fn);
+
+  assert_throws_js(TypeError, () => table.set(0, {}));
+  assert_throws_js(TypeError, () => table.set(0, 37));
+}, "Arguments for anyfunc table set");
+
+test(() => {
+  const testObject = {};
+  const argument = { "element": "externref", "initial": 1 };
+  const table = new WebAssembly.Table(argument, testObject);
+
+  assert_equals(table.get(0), testObject);
+  table.set(0);
+  assert_equals(table.get(0), undefined);
+
+  table.set(0, testObject);
+  assert_equals(table.get(0), testObject);
+
+  table.set(0, 37);
+  assert_equals(table.get(0), 37);
+}, "Arguments for externref table set");

test/fixtures/wpt/wasm/jsapi/table/grow.any.js

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

test/fixtures/wpt/wasm/jsapi/table/length.any.js

@@ -0,0 +1,60 @@
+// META: global=window,dedicatedworker,jsshell
+
+test(() => {
+  const thisValues = [
+    undefined,
+    null,
+    true,
+    "",
+    Symbol(),
+    1,
+    {},
+    WebAssembly.Table,
+    WebAssembly.Table.prototype,
+  ];
+
+  const desc = Object.getOwnPropertyDescriptor(WebAssembly.Table.prototype, "length");
+  assert_equals(typeof desc, "object");
+
+  const getter = desc.get;
+  assert_equals(typeof getter, "function");
+
+  assert_equals(typeof desc.set, "undefined");
+
+  for (const thisValue of thisValues) {
+    assert_throws_js(TypeError, () => getter.call(thisValue), `this=${format_value(thisValue)}`);
+  }
+}, "Branding");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 2 };
+  const table = new WebAssembly.Table(argument);
+  assert_equals(table.length, 2, "Initial length");
+
+  const desc = Object.getOwnPropertyDescriptor(WebAssembly.Table.prototype, "length");
+  assert_equals(typeof desc, "object");
+
+  const getter = desc.get;
+  assert_equals(typeof getter, "function");
+
+  assert_equals(getter.call(table, {}), 2);
+}, "Stray argument");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 2 };
+  const table = new WebAssembly.Table(argument);
+  assert_equals(table.length, 2, "Initial length");
+  table.length = 4;
+  assert_equals(table.length, 2, "Should not change the length");
+}, "Setting (sloppy mode)");
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 2 };
+  const table = new WebAssembly.Table(argument);
+  assert_equals(table.length, 2, "Initial length");
+  assert_throws_js(TypeError, () => {
+    "use strict";
+    table.length = 4;
+  });
+  assert_equals(table.length, 2, "Should not change the length");
+}, "Setting (strict mode)");

test/fixtures/wpt/wasm/jsapi/table/toString.any.js

@@ -0,0 +1,17 @@
+// META: global=window,dedicatedworker,jsshell
+
+test(() => {
+  const argument = { "element": "anyfunc", "initial": 0 };
+  const table = new WebAssembly.Table(argument);
+  assert_class_string(table, "WebAssembly.Table");
+}, "Object.prototype.toString on an Table");
+
+test(() => {
+  assert_own_property(WebAssembly.Table.prototype, Symbol.toStringTag);
+
+  const propDesc = Object.getOwnPropertyDescriptor(WebAssembly.Table.prototype, Symbol.toStringTag);
+  assert_equals(propDesc.value, "WebAssembly.Table", "value");
+  assert_equals(propDesc.configurable, true, "configurable");
+  assert_equals(propDesc.enumerable, false, "enumerable");
+  assert_equals(propDesc.writable, false, "writable");
+}, "@@toStringTag exists on the prototype with the appropriate descriptor");

test/fixtures/wpt/wasm/jsapi/table/type.tentative.any.js

@@ -0,0 +1,26 @@
+// META: global=window,dedicatedworker,jsshell
+// META: script=/wasm/jsapi/assertions.js
+
+function assert_type(argument) {
+    const mytable = new WebAssembly.Table(argument);
+    const tabletype = mytable.type()
+    assert_equals(tabletype.minimum, argument.minimum);
+    assert_equals(tabletype.maximum, argument.maximum);
+    assert_equals(tabletype.element, argument.element);
+}
+
+test(() => {
+    assert_type({ "minimum": 0, "element": "funcref"});
+}, "Zero initial, no maximum");
+
+test(() => {
+    assert_type({ "minimum": 5, "element": "funcref" });
+}, "Non-zero initial, no maximum");
+
+test(() => {
+    assert_type({ "minimum": 0, "maximum": 0, "element": "funcref" });
+}, "Zero maximum");
+
+test(() => {
+    assert_type({ "minimum": 0, "maximum": 5, "element": "funcref" });
+}, "Non-zero maximum");