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global_get_set

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This commit is contained in:
Svyatoslav Nikolsky
2017-05-03 11:06:26 +03:00
parent 1498ce1ec1
commit cc3abac681
6 changed files with 107 additions and 40 deletions
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87
src/interpreter/tests/basics.rs Normal file
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///! Basic tests for instructions/constructions, missing in wabt tests
use builder::module;
use elements::{ExportEntry, Internal, ImportEntry, External, GlobalEntry, GlobalType,
InitExpr, ValueType, Opcodes, Opcode};
use interpreter::Error;
use interpreter::program::ProgramInstance;
use interpreter::value::RuntimeValue;
#[test]
fn import_function() {
let module1 = module()
.with_export(ExportEntry::new("external_func".into(), Internal::Function(0)))
.function()
.signature().return_type().i32().build()
.body().with_opcodes(Opcodes::new(vec![
Opcode::I32Const(3),
Opcode::End,
])).build()
.build()
.build();
let module2 = module()
.with_import(ImportEntry::new("external_module".into(), "external_func".into(), External::Function(0)))
.function()
.signature().return_type().i32().build()
.body().with_opcodes(Opcodes::new(vec![
Opcode::Call(0),
Opcode::I32Const(7),
Opcode::I32Add,
Opcode::End,
])).build()
.build()
.build();
let program = ProgramInstance::new();
let external_module = program.add_module("external_module", module1).unwrap();
let main_module = program.add_module("main", module2).unwrap();
assert_eq!(external_module.execute(0, vec![]).unwrap().unwrap(), RuntimeValue::I32(3));
assert_eq!(main_module.execute(1, vec![]).unwrap().unwrap(), RuntimeValue::I32(10));
}
#[test]
fn global_get_set() {
let module = module()
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, true), InitExpr::new(vec![Opcode::I32Const(42)])))
.with_global(GlobalEntry::new(GlobalType::new(ValueType::I32, false), InitExpr::new(vec![Opcode::I32Const(777)])))
.function()
.signature().return_type().i32().build()
.body().with_opcodes(Opcodes::new(vec![
Opcode::GetGlobal(0),
Opcode::I32Const(8),
Opcode::I32Add,
Opcode::SetGlobal(0),
Opcode::GetGlobal(0),
Opcode::End,
])).build()
.build()
.function()
.signature().return_type().i32().build()
.body().with_opcodes(Opcodes::new(vec![
Opcode::GetGlobal(1),
Opcode::I32Const(8),
Opcode::I32Add,
Opcode::SetGlobal(1),
Opcode::GetGlobal(1),
Opcode::End,
])).build()
.build()
.function()
.signature().return_type().i32().build()
.body().with_opcodes(Opcodes::new(vec![
Opcode::I64Const(8),
Opcode::SetGlobal(0),
Opcode::GetGlobal(0),
Opcode::End,
])).build()
.build()
.build();
let program = ProgramInstance::new();
let module = program.add_module("main", module).unwrap();
assert_eq!(module.execute(0, vec![]).unwrap().unwrap(), RuntimeValue::I32(50));
assert_eq!(module.execute(1, vec![]).unwrap_err(), Error::Variable("trying to update immutable variable".into()));
assert_eq!(module.execute(2, vec![]).unwrap_err(), Error::Variable("trying to update variable of type I32 with value of type Some(I64)".into()));
}