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CodeValidatorTest.v3
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// Copyright 2020 Ben L. Titzer. All rights reserved.
// See LICENSE for details of Apache 2.0 license.
def T = UnitTests.registerT("validator:", _, CodeValidatorTester.new, _);
def X_ = void(
T("local0", test_local0),
T("local1", test_local1),
T("localref", test_localref),
T("globalref", test_globalref),
T("refparam", test_refparam),
T("ret0", test_ret0),
T("ret1", test_ret1),
T("br0", test_br0),
T("br_table0", test_br_table0),
T("br_table1", test_br_table1),
T("if0", test_if0),
T("if1", test_if1),
T("if2", test_if2),
T("if_end", test_if_end),
T("if_unr1", test_if_unr1),
T("if_unr2", test_if_unr2),
T("select", test_select),
T("selectn", test_selectn),
T("selectt", test_selectt),
T("loop0", test_loop0),
T("loop_br", test_loop_br),
T("loopv", test_loopv),
T("blockp1", test_blockp1),
T("blockp2", test_blockp2),
T("blockv2", test_blockv2),
T("blockinv", test_blockinv),
T("unterm", test_unterm),
T("else", test_else0),
T("simple_ops_v", test_simple_ops_v),
T("simple_ops_r", test_simple_ops_r),
T("simple_ops0", test_simple_ops0),
T("simple_ops1", test_simple_ops1),
T("simple_ops2", test_simple_ops2),
T("memindex1", test_memindex1),
T("memindex2", test_memindex2),
T("tabindex1", test_tabindex1),
T("tabindex2", test_tabindex2),
T("retcall1", test_retcall1),
T("retcall2", test_retcall2),
T("invalid1", test_invalid1),
T("invalid2", test_invalid2),
T("prefix1", test_prefix_ops1),
T("ref.null", test_ref_null),
T("ref.is_null", test_ref_is_null),
T("ref.func", test_ref_func),
T("ref.as_non_null", test_ref_as_non_null),
T("br_on_null", test_br_on_null),
T("br_on_non_null", test_br_on_non_null),
T("memory.init", test_memory_init),
T("data.drop", test_data_drop),
T("memory.copy", test_memory_copy),
T("memory.fill", test_memory_fill),
T("table.init", test_table_init),
T("elem.drop", test_elem_drop),
T("table.get", test_table_get),
T("table.set", test_table_set),
T("table.copy1", test_table_copy1),
T("table.copy2", test_table_copy2),
T("table.grow", test_table_grow),
T("table.size", test_table_size),
T("table.fill", test_table_fill),
T("call_ref0", test_call_ref0),
T("retcall_ref0", test_retcall_ref0),
T("ref.eq", test_ref_eq),
T("struct.new", test_struct_new),
T("struct.newdef", test_struct_newdef),
T("struct.get", test_struct_get),
T("struct.get_su", test_struct_get_su),
T("struct.set", test_struct_set),
T("array.new", test_array_new),
T("array.newdef", test_array_newdef),
T("array.get", test_array_get),
T("array.get_su", test_array_get_su),
T("array.set", test_array_set),
T("array.len", test_array_len),
T("array.new_fixed", test_array_new_fixed),
T("array.new_data", test_array_new_data),
T("array.new_elem", test_array_new_elem),
T("i31.new", test_i31_new),
T("i31.get_su", test_i31_get_su),
T("ref.test", testDeclPairs(_, test_ref_test0)),
T("ref.cast", testDeclPairs(_, test_ref_cast0)),
T("br_on_cast0", testDeclPairs(_, test_br_on_cast0)),
T("br_on_cast1", test_br_on_cast1),
T("br_on_cast_fail0", test_br_on_cast_fail0),
T("br_on_cast_fail1", testDeclPairs(_, test_br_on_cast_fail1)),
T("simd.unop1", test_simd_unop1),
T("simd.unop2", test_simd_unop2),
T("simd.unop3", test_simd_unop3),
T("simd.binop1", test_simd_binop1),
T("simd.binop2", test_simd_binop2),
T("simd.binop3", test_simd_binop3),
()
);
def newSig = ValueTypes.newSig;
class CodeValidatorTester(t: Tester) extends ModuleBuilder {
def err = ErrorGen.new("CodeValidatorTest.v3");
var validator: CodeValidator; // FAST: reuse validator
new() {
validator = CodeValidator.new(extensions, Limits.new().set(extensions), module, err);
}
def setExtensions(e: Extension.set) {
extensions = e;
validator = CodeValidator.new(extensions, Limits.new().set(extensions), module, err);
}
def valid(raw: Array<byte>) {
code(raw);
err.reset();
match (validator.validateFunc(func)) {
Ok => ;
Error(error, pc, msg) => t.fail2("expected success, got error @+%d: %s", pc, msg);
}
}
def invalid(expected: WasmError, raw: Array<byte>, error_pc: int) {
code(raw);
err.reset();
match (validator.validateFunc(func)) {
Ok => t.fail2("expected error %s @+%d, got success", expected.name, error_pc);
Error(error, pc, msg) => {
if (error != expected) {
t.fail3("expected error %s, got %s @+%d\n",
expected.name, error.name, pc);
} else if (pc != error_pc) {
t.fail3("expected error location @+%d, got @+%d (%s)", error_pc, pc, msg);
}
}
}
}
def TypeError(code: Array<byte>, error_pc: int) {
invalid(WasmError.TYPE_MISMATCH, code, error_pc);
}
def addRefFuncType(nullable: bool, sig: SigDecl) -> (ValueType.Ref, SigDecl) {
sig = addSig(sig);
return (ValueTypes.RefFunc(nullable, sig), sig);
}
}
def EB = BpTypeCode.EmptyBlock.code;
def test_local0(t: CodeValidatorTester) {
var code1: Array<byte> = [Opcode.LOCAL_GET.code, 0];
t.invalid(WasmError.OOB_INDEX, code1, 1);
t.sig(SigCache.i_i);
t.valid(code1);
}
def test_local1(t: CodeValidatorTester) {
var code1: Array<byte> = [Opcode.LOCAL_GET.code, 0];
t.sig(SigCache.i_i);
t.addLocals(10000000, ValueType.I32);
t.invalid(WasmError.EXCEEDED_LIMIT, code1, 1);
}
def test_localref(t: CodeValidatorTester) {
var lg = t.addLocals(1, ValueTypes.FUNCREF);
var le = t.addLocals(1, ValueTypes.EXTERNREF);
t.sig0([ValueTypes.FUNCREF, ValueTypes.EXTERNREF], SigCache.arr_v);
t.valid([Opcode.LOCAL_GET.code, 0, Opcode.LOCAL_SET.code, byte.!(lg)]);
t.valid([Opcode.LOCAL_GET.code, 1, Opcode.LOCAL_SET.code, byte.!(le)]);
t.invalid(WasmError.TYPE_MISMATCH, [Opcode.LOCAL_GET.code, 0, Opcode.LOCAL_SET.code, byte.!(le)], 7);
t.invalid(WasmError.TYPE_MISMATCH, [Opcode.LOCAL_GET.code, 1, Opcode.LOCAL_SET.code, byte.!(lg)], 7);
}
def test_globalref(t: CodeValidatorTester) {
var lg = byte.!(t.newGlobal(ValueTypes.FUNCREF, InitExpr.FuncRefNull).global_index);
var le = byte.!(t.newGlobal(ValueTypes.EXTERNREF, InitExpr.ExternRefNull).global_index);
t.sig0([ValueTypes.FUNCREF, ValueTypes.EXTERNREF], SigCache.arr_v);
t.valid([Opcode.LOCAL_GET.code, 0, Opcode.GLOBAL_SET.code, lg]);
t.valid([Opcode.LOCAL_GET.code, 1, Opcode.GLOBAL_SET.code, le]);
t.invalid(WasmError.TYPE_MISMATCH, [Opcode.LOCAL_GET.code, 0, Opcode.GLOBAL_SET.code, le], 3);
t.invalid(WasmError.TYPE_MISMATCH, [Opcode.LOCAL_GET.code, 1, Opcode.GLOBAL_SET.code, lg], 3);
}
def test_refparam(t: CodeValidatorTester) {
var code1: Array<byte> = [Opcode.LOCAL_GET.code, 0];
var refs = [ValueTypes.FUNCREF, ValueTypes.EXTERNREF];
for (p in refs) {
for (r in refs) {
t.sig0([p], [r]);
if (p == r) t.valid(code1);
else t.invalid(WasmError.TYPE_MISMATCH, code1, 3);
}
}
}
def test_ret0(t: CodeValidatorTester) {
t.sig(SigCache.v_v);
t.valid([]);
t.valid([Opcode.RETURN.code]);
t.TypeError([Opcode.I32_CONST.code, 0], 3);
t.TypeError([Opcode.I64_CONST.code, 0], 3);
t.TypeError([Opcode.F32_CONST.code, 0, 0, 0, 0], 6);
t.TypeError([Opcode.F64_CONST.code, 0, 0, 0, 0, 0, 0, 0, 0], 10);
}
def test_ret1(t: CodeValidatorTester) {
t.sig(SigCache.v_i);
t.TypeError([], 1);
t.TypeError([Opcode.RETURN.code], 1);
t.valid([Opcode.I32_CONST.code, 0]);
t.TypeError([Opcode.I64_CONST.code, 0], 3);
t.TypeError([Opcode.F32_CONST.code, 0, 0, 0, 0], 6);
t.TypeError([Opcode.F64_CONST.code, 0, 0, 0, 0, 0, 0, 0, 0], 10);
}
def test_br0(t: CodeValidatorTester) {
t.sig(SigCache.v_v);
t.valid([Opcode.BR.code, 0]);
t.invalid(WasmError.OOB_LABEL, [Opcode.BR.code, 1], 1);
t.invalid(WasmError.OOB_LABEL, [
Opcode.BLOCK.code, EB,
Opcode.BR.code, 2,
Opcode.END.code
], 3);
}
def test_br_table0(t: CodeValidatorTester) {
var code1: Array<byte> = [
Opcode.I32_CONST.code, 7,
Opcode.LOCAL_GET.code, 0,
Opcode.BR_TABLE.code, 2, 0, 0, 0];
t.sig(SigCache.i_i);
t.valid(code1);
t.sig(SigCache.f_i);
t.TypeError(code1, 5);
t.sig(SigCache.i_f);
t.TypeError(code1, 5);
var code2: Array<byte> = [
Opcode.BLOCK.code, BpTypeCode.I32.code,
Opcode.I32_CONST.code, 7,
Opcode.LOCAL_GET.code, 0,
Opcode.BR_TABLE.code, 2, 0, 1, 0,
Opcode.END.code];
t.sig(SigCache.i_i);
t.valid(code2);
t.sig(SigCache.f_i);
t.TypeError(code2, 7);
}
def test_br_table1(t: CodeValidatorTester) {
var code1: Array<byte> = [
Opcode.BLOCK.code, EB,
Opcode.I32_CONST.code, 8,
Opcode.LOCAL_GET.code, 0,
Opcode.BR_TABLE.code, 2, 0, 1, 0,
Opcode.END.code];
t.sig(SigCache.i_i);
t.TypeError(code1, 7);
var code2: Array<byte> = [
Opcode.F32_CONST.code, 0, 0, 0, 0,
Opcode.LOOP.code, BpTypeCode.F32.code,
Opcode.I32_CONST.code, 9,
Opcode.LOCAL_GET.code, 0,
Opcode.BR_TABLE.code, 2, 0, 1, 0,
Opcode.END.code];
t.sig(SigCache.i_i);
t.TypeError(code2, 12);
}
def test_if0(t: CodeValidatorTester) {
var code1: Array<byte> = [
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, EB,
Opcode.ELSE.code,
Opcode.END.code
];
t.sig(SigCache.i_v);
t.valid(code1);
t.sig(SigCache.l_v);
t.TypeError(code1, 3);
var code2: Array<byte> = [
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, EB,
Opcode.BR.code, 0,
Opcode.ELSE.code,
Opcode.RETURN.code,
Opcode.END.code
];
t.sig(SigCache.i_v);
t.valid(code2);
t.sig(SigCache.l_v);
t.TypeError(code2, 3);
var code3: Array<byte> = [
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, EB,
Opcode.BR.code, 1,
Opcode.END.code
];
t.sig(SigCache.i_v);
t.valid(code3);
t.sig(SigCache.l_v);
t.TypeError(code3, 3);
}
def test_if1(t: CodeValidatorTester) {
t.sig(SigCache.i_i);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, BpTypeCode.I32.code,
Opcode.ELSE.code,
Opcode.END.code
], 5);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, BpTypeCode.I32.code,
Opcode.ELSE.code,
Opcode.LOCAL_GET.code, 0,
Opcode.END.code
], 5);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, BpTypeCode.I32.code,
Opcode.LOCAL_GET.code, 0,
Opcode.ELSE.code,
Opcode.END.code
], 8);
t.valid([
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, BpTypeCode.I32.code,
Opcode.UNREACHABLE.code,
Opcode.ELSE.code,
Opcode.UNREACHABLE.code,
Opcode.END.code
]);
var code1: Array<byte> = [
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, BpTypeCode.I32.code,
Opcode.LOCAL_GET.code, 1,
Opcode.ELSE.code,
Opcode.LOCAL_GET.code, 1,
Opcode.END.code
];
t.sig(SigCache.ii_i);
t.valid(code1);
t.sig0(SigCache.arr_if, SigCache.arr_i);
t.TypeError(code1, 7);
var code2: Array<byte> = [
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, BpTypeCode.F32.code,
Opcode.UNREACHABLE.code,
Opcode.ELSE.code,
Opcode.UNREACHABLE.code,
Opcode.END.code
];
t.sig(SigCache.ii_i);
t.TypeError(code2, 9);
}
def test_if2(t: CodeValidatorTester) {
t.sig(SigCache.i_i);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, BpTypeCode.I32.code,
Opcode.I32_CONST.code, 5,
Opcode.END.code
], 7);
}
def test_if_end(t: CodeValidatorTester) {
t.sig(SigCache.i_i);
var i_i = byte.!(t.addSig(SigCache.i_i).heaptype_index);
var i_f = byte.!(t.addSig(SigCache.i_f).heaptype_index);
t.valid([
Opcode.LOCAL_GET.code, 0,
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, i_i,
Opcode.END.code
]);
t.valid([
Opcode.LOCAL_GET.code, 0,
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, i_i,
Opcode.DROP.code,
Opcode.I32_CONST.code, 5,
Opcode.END.code
]);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, i_i,
Opcode.I32_CONST.code, 5,
Opcode.END.code
], 9);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, i_f,
Opcode.F32_CONST.code, 3, 3, 3, 3,
Opcode.END.code
], 12);
}
def test_if_unr1(t: CodeValidatorTester) {
t.sig(SigCache.i_i);
var i_i = byte.!(t.addSig(SigCache.i_i).heaptype_index);
var v_i = byte.!(t.addSig(SigCache.v_i).heaptype_index);
t.valid([
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, v_i,
Opcode.UNREACHABLE.code,
Opcode.ELSE.code,
Opcode.UNREACHABLE.code,
Opcode.END.code
]);
t.valid([
Opcode.LOCAL_GET.code, 0,
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, i_i,
Opcode.UNREACHABLE.code,
Opcode.END.code
]);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, v_i,
Opcode.UNREACHABLE.code,
Opcode.END.code
], 6);
t.valid([
Opcode.LOCAL_GET.code, 0,
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, i_i,
Opcode.UNREACHABLE.code,
Opcode.I32_CONST.code, 5,
Opcode.END.code
]);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, i_i,
Opcode.UNREACHABLE.code,
Opcode.I64_CONST.code, 5,
Opcode.END.code
], 10);
t.valid([
Opcode.LOCAL_GET.code, 0,
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, i_i,
Opcode.I32_CONST.code, 5,
Opcode.UNREACHABLE.code,
Opcode.END.code
]);
}
def test_if_unr2(t: CodeValidatorTester) {
t.sig(SigCache.i_v);
var i_i = byte.!(t.addSig(SigCache.i_i).heaptype_index);
var v_i = byte.!(t.addSig(SigCache.v_i).heaptype_index);
t.valid([
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, EB,
Opcode.UNREACHABLE.code,
Opcode.ELSE.code,
Opcode.END.code
]);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, EB,
Opcode.UNREACHABLE.code,
Opcode.I32_CONST.code, 5,
Opcode.ELSE.code,
Opcode.END.code
], 8);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, EB,
Opcode.I32_CONST.code, 1,
Opcode.IF.code, EB,
Opcode.UNREACHABLE.code,
Opcode.END.code,
Opcode.I32_CONST.code, 5,
Opcode.ELSE.code,
Opcode.END.code
], 13);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.IF.code, EB,
Opcode.I32_CONST.code, 5,
Opcode.I32_CONST.code, 1,
Opcode.IF.code, EB,
Opcode.UNREACHABLE.code,
Opcode.END.code,
Opcode.ELSE.code,
Opcode.END.code
], 13);
}
def test_select(t: CodeValidatorTester) {
var types = [ValueType.I32, ValueType.I64, ValueType.F32, ValueType.F64];
var code: Array<byte> = [
Opcode.LOCAL_GET.code, 0,
Opcode.LOCAL_GET.code, 1,
Opcode.I32_CONST.code, 1,
Opcode.SELECT.code
];
for (a in types) {
for (b in types) {
t.sig0([a, b], [a]);
if (a == b) t.valid(code);
else t.TypeError(code, 7);
}
}
}
def test_selectn(t: CodeValidatorTester) {
var types = [ValueType.I32, ValueTypes.FUNCREF, ValueTypes.EXTERNREF];
var code: Array<byte> = [
Opcode.LOCAL_GET.code, 0,
Opcode.LOCAL_GET.code, 1,
Opcode.I32_CONST.code, 1,
Opcode.SELECT.code
];
for (a in types) {
for (b in types) {
t.sig0([a, b], [a]);
if (a == b && ValueTypes.isNumeric(a)) t.valid(code);
else t.TypeError(code, 7);
}
}
}
def test_selectt(t: CodeValidatorTester) {
var cases = [
(BpTypeCode.I32.code, ValueType.I32),
(BpTypeCode.FUNCREF.code, ValueTypes.FUNCREF),
(BpTypeCode.EXTERNREF.code, ValueTypes.EXTERNREF)
];
var code: Array<byte> = [
Opcode.LOCAL_GET.code, 0,
Opcode.LOCAL_GET.code, 1,
Opcode.I32_CONST.code, 1,
Opcode.SELECT_T.code, 1,
0 /*tpos*/
];
var tpos = 8;
for (a in cases) {
code[tpos] = a.0;
for (b in cases) {
t.sig0([a.1, b.1], [a.1]);
if (ValueTypes.isAssignable(b.1, a.1)) t.valid(code);
else t.TypeError(code, 7);
t.sig0([b.1, a.1], [a.1]);
if (ValueTypes.isAssignable(b.1, a.1)) t.valid(code);
else t.TypeError(code, 7);
t.sig0([a.1, a.1], [b.1]);
if (ValueTypes.isAssignable(a.1, b.1)) t.valid(code);
else t.TypeError(code, 10);
}
}
}
def test_loop0(t: CodeValidatorTester) {
t.sig(SigCache.v_v);
t.valid([
Opcode.LOOP.code, EB,
Opcode.END.code
]);
t.sig(SigCache.v_i);
t.valid([
Opcode.LOOP.code, BpTypeCode.I32.code,
Opcode.UNREACHABLE.code,
Opcode.END.code
]);
t.sig(SigCache.v_i);
t.valid([
Opcode.LOOP.code, BpTypeCode.I32.code,
Opcode.I32_CONST.code, 0,
Opcode.END.code
]);
t.TypeError([
Opcode.LOOP.code, BpTypeCode.I32.code,
Opcode.I64_CONST.code, 0,
Opcode.END.code
], 5);
t.TypeError([
Opcode.LOOP.code, BpTypeCode.I64.code,
Opcode.I64_CONST.code, 0,
Opcode.END.code
], 6);
}
def test_loop_br(t: CodeValidatorTester) {
t.sig(SigCache.v_v);
t.valid([
Opcode.LOOP.code, EB,
Opcode.BR.code, 0,
Opcode.END.code
]);
t.valid([
Opcode.LOOP.code, EB,
Opcode.BR.code, 1,
Opcode.END.code
]);
t.invalid(WasmError.OOB_LABEL, [
Opcode.LOOP.code, EB,
Opcode.BR.code, 2,
Opcode.END.code
], 3);
t.sig(SigCache.v_i);
t.valid([
Opcode.LOOP.code, BpTypeCode.I32.code,
Opcode.BR.code, 0,
Opcode.END.code
]);
t.valid([
Opcode.LOOP.code, BpTypeCode.I32.code,
Opcode.I32_CONST.code, 0,
Opcode.BR.code, 1,
Opcode.END.code
]);
}
def test_loopv(t: CodeValidatorTester) {
var i_v = byte.!(t.addSig(SigCache.i_v).heaptype_index);
var i_i = byte.!(t.addSig(SigCache.i_i).heaptype_index);
var f_f = byte.!(t.addSig(SigCache.f_f).heaptype_index);
var i_f = byte.!(t.addSig(SigCache.i_f).heaptype_index);
t.sig(SigCache.if_v);
t.TypeError([
Opcode.LOOP.code, i_v,
Opcode.DROP.code,
Opcode.END.code
], 1);
t.TypeError([
Opcode.LOCAL_GET.code, 1,
Opcode.LOOP.code, i_v,
Opcode.DROP.code,
Opcode.END.code
], 3);
t.valid([
Opcode.LOCAL_GET.code, 0,
Opcode.LOOP.code, i_v,
Opcode.DROP.code,
Opcode.END.code
]);
}
def test_blockp1(t: CodeValidatorTester) {
var i_v = byte.!(t.addSig(SigCache.i_v).heaptype_index);
var f_v = byte.!(t.newSig(SigCache.arr_f, SigCache.arr_v).heaptype_index);
t.sig(SigCache.if_v);
t.TypeError([
Opcode.BLOCK.code, i_v,
Opcode.DROP.code,
Opcode.END.code
], 1);
t.TypeError([
Opcode.LOCAL_GET.code, 1,
Opcode.BLOCK.code, i_v,
Opcode.DROP.code,
Opcode.END.code
], 3);
t.valid([
Opcode.LOCAL_GET.code, 0,
Opcode.BLOCK.code, i_v,
Opcode.DROP.code,
Opcode.END.code
]);
t.TypeError([
Opcode.LOCAL_GET.code, 1,
Opcode.BLOCK.code, i_v,
Opcode.DROP.code,
Opcode.END.code
], 3);
t.valid([
Opcode.LOCAL_GET.code, 1,
Opcode.BLOCK.code, f_v,
Opcode.DROP.code,
Opcode.END.code
]);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.BLOCK.code, f_v,
Opcode.DROP.code,
Opcode.END.code
], 3);
}
def test_blockp2(t: CodeValidatorTester) {
var i_v = byte.!(t.addSig(SigCache.i_v).heaptype_index);
var f_f = byte.!(t.addSig(SigCache.f_f).heaptype_index);
var f_l = byte.!(t.addSig(SigCache.f_l).heaptype_index);
t.sig(SigCache.if_v);
t.TypeError([
Opcode.BLOCK.code, f_f,
Opcode.END.code
], 1);
t.TypeError([
Opcode.LOCAL_GET.code, 0,
Opcode.BLOCK.code, f_f,
Opcode.END.code,
Opcode.DROP.code
], 3);
t.valid([
Opcode.LOCAL_GET.code, 1,
Opcode.BLOCK.code, f_f,
Opcode.END.code,
Opcode.DROP.code
]);
t.TypeError([
Opcode.LOCAL_GET.code, 1,
Opcode.BLOCK.code, f_f,
Opcode.DROP.code,
Opcode.I32_CONST.code, 0,
Opcode.END.code,
Opcode.DROP.code
], 8);
t.valid([
Opcode.LOCAL_GET.code, 1,
Opcode.BLOCK.code, f_l,
Opcode.DROP.code,
Opcode.I64_CONST.code, 0,
Opcode.END.code,
Opcode.DROP.code
]);
t.TypeError([
Opcode.LOCAL_GET.code, 1,
Opcode.BLOCK.code, f_l,
Opcode.DROP.code,
Opcode.I32_CONST.code, 0,
Opcode.END.code,
Opcode.DROP.code
], 8);
}
def test_blockv2(t: CodeValidatorTester) {
// TODO
}
def test_blockinv(t: CodeValidatorTester) {
t.sig(SigCache.i_i);
t.invalid(WasmError.INVALID_BLOCK_TYPE, [
Opcode.BLOCK.code, 33,
Opcode.END.code
], 2);
}
def test_unterm(t: CodeValidatorTester) {
t.invalid(WasmError.UNTERMINATED_BODY, [
Opcode.I32_CONST.code, 0,
Opcode.IF.code, EB
], 6);
t.invalid(WasmError.UNTERMINATED_BODY, [
Opcode.I32_CONST.code, 0,
Opcode.IF.code, EB,
Opcode.ELSE.code
], 7);
t.sig(SigCache.v_v);
t.invalid(WasmError.OOB_LABEL, [Opcode.END.code], 2);
}
def test_else0(t: CodeValidatorTester) {
t.sig(SigCache.v_v);
t.invalid(WasmError.MISMATCHED_ELSE, [Opcode.ELSE.code], 1);
t.invalid(WasmError.MISMATCHED_ELSE, [
Opcode.I32_CONST.code, 0,
Opcode.IF.code, EB,
Opcode.ELSE.code,
Opcode.ELSE.code,
Opcode.END.code
], 6);
}
def isSimpleOp(op: Opcode) -> bool {
return op.prefix == 0 && Opcodes.attributes[op.tag].SHORT_OP;
}
def test_simple_ops_v(t: CodeValidatorTester) {
var code = Vector<byte>.new();
for (op in Opcode) {
if (!isSimpleOp(op)) continue;
t.sig(op.sig);
for (i < op.sig.params.length) {
code.put(Opcode.LOCAL_GET.code);
code.put(byte.!(i));
}
code.put(op.code);
t.valid(code.extract());
}
}
def test_simple_ops_r(t: CodeValidatorTester) {
var code = Vector<byte>.new();
var types = [ValueType.I32, ValueType.I64, ValueType.F32, ValueType.F64];
for (op in Opcode) {
if (!isSimpleOp(op)) continue;
// Test all possible (expected) return types for all simple opcodes.
for (rt in types) {
t.sig0(op.sig.params, [rt]);
for (i < op.sig.params.length) {
code.put(Opcode.LOCAL_GET.code);
code.put(byte.!(i));
}
code.put(op.code);
if (op.sig.results.length == 1 && op.sig.results[0] == rt) {
t.valid(code.extract());
} else {
var pt = code.length + 1;
t.TypeError(code.extract(), pt);
}
}
}
}
def test_simple_ops0(t: CodeValidatorTester) {
var template: Array<byte> = [
Opcode.LOCAL_GET.code,
/* local_pt */0,
/* opcode_pt */0
];
var local_pt = 1, opcode_pt = 2;
t.sig(SigCache.v_i); // for proper local numbering
var locals = [
t.addLocal(ValueType.I32),
t.addLocal(ValueType.I64),
t.addLocal(ValueType.F32),
t.addLocal(ValueType.F64)
];
for (op in Opcode) {
if (!isSimpleOp(op)) continue;
if (op.sig.params.length != 0) continue;
t.sig(op.sig);
for (l in locals) {
template[local_pt] = byte.!(l);
template[opcode_pt] = op.code;
var pt = template.length + 9;
t.TypeError(template, pt);
}
}
}
def test_simple_ops1(t: CodeValidatorTester) {
var template: Array<byte> = [
Opcode.LOCAL_GET.code,
/* local_pt */0,
/* opcode_pt */0
];
var local_pt = 1, opcode_pt = 2;
t.sig(SigCache.i_i); // for proper local numbering
var locals = [
(ValueType.I32, t.addLocal(ValueType.I32)),
(ValueType.I64, t.addLocal(ValueType.I64)),
(ValueType.F32, t.addLocal(ValueType.F32)),
(ValueType.F64, t.addLocal(ValueType.F64))
];
for (op in Opcode) {
if (!isSimpleOp(op)) continue;
if (op.sig.params.length != 1) continue;
t.sig(op.sig);
for (l in locals) {
template[local_pt] = byte.!(l.1);
template[opcode_pt] = op.code;
if (l.0 == op.sig.params[0]) {
t.valid(template);
} else {
var pt = template.length + 8;
t.TypeError(template, pt);
}
}
}
}
def test_simple_ops2(t: CodeValidatorTester) {
var template: Array<byte> = [
Opcode.LOCAL_GET.code,
/* local0_pt */0,
Opcode.LOCAL_GET.code,
/* local1_pt */0,
/* opcode_pt */0
];
var local0_pt = 1, local1_pt = 3, opcode_pt = 4;
t.sig(SigCache.ii_i); // for proper local numbering
var locals = [
(ValueType.I32, t.addLocal(ValueType.I32)),
(ValueType.I64, t.addLocal(ValueType.I64)),
(ValueType.F32, t.addLocal(ValueType.F32)),
(ValueType.F64, t.addLocal(ValueType.F64))
];
for (op in Opcode) {
if (!isSimpleOp(op)) continue;
if (op.sig.params.length != 2) continue;
t.sig(op.sig);
for (l in locals) {
template[local0_pt] = 0;
template[local1_pt] = byte.!(l.1);
template[opcode_pt] = op.code;
if (l.0 == op.sig.params[1]) {
t.valid(template);
} else {
var pt = template.length + 8;
t.TypeError(template, pt);
}
template[local0_pt] = byte.!(l.1);
template[local1_pt] = 1;
template[opcode_pt] = op.code;
if (l.0 == op.sig.params[0]) {
t.valid(template);
} else {
var pt = template.length + 8;
t.TypeError(template, pt);
}
}
}
}
def test_memindex1(t: CodeValidatorTester) {
t.sig(SigCache.v_i);
t.addMemory(1, Max.Set(1));
t.valid([
Opcode.MEMORY_SIZE.code, 0
]);
t.valid([
Opcode.I32_CONST.code, 0,
Opcode.MEMORY_GROW.code, 0
]);
t.invalid(WasmError.EXPECTED_ZERO_BYTE, [
Opcode.MEMORY_SIZE.code, 1
], 2);
t.invalid(WasmError.EXPECTED_ZERO_BYTE, [
Opcode.I32_CONST.code, 0,
Opcode.MEMORY_GROW.code, 1
], 4);
// expect a zero byte if no multi-memory
t.invalid(WasmError.EXPECTED_ZERO_BYTE, [
Opcode.MEMORY_SIZE.code, 0x80, 0
], 2);
t.invalid(WasmError.EXPECTED_ZERO_BYTE, [
Opcode.I32_CONST.code, 0,
Opcode.MEMORY_GROW.code, 0x80, 0
], 4);
// allow a full LEB if multi-memory
t.setExtensions(Extension.MULTI_MEMORY);
t.valid([
Opcode.MEMORY_SIZE.code, 0x80, 0
]);
t.valid([
Opcode.I32_CONST.code, 0,
Opcode.MEMORY_GROW.code, 0x80, 0
]);
}
def test_memindex2(t: CodeValidatorTester) {
t.sig(SigCache.v_i);
t.invalid(WasmError.OOB_INDEX, [
Opcode.MEMORY_SIZE.code, 0
], 2);
t.invalid(WasmError.OOB_INDEX, [
Opcode.I32_CONST.code, 0,
Opcode.MEMORY_GROW.code, 0
], 4);
// allow a full LEB if multi-memory
t.setExtensions(Extension.MULTI_MEMORY);
t.invalid(WasmError.OOB_INDEX, [
Opcode.MEMORY_SIZE.code, 0x80, 0
], 2);
t.invalid(WasmError.OOB_INDEX, [
Opcode.I32_CONST.code, 0,
Opcode.MEMORY_GROW.code, 0x80, 0
], 4);
}
def test_tabindex1(t: CodeValidatorTester) {