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[VM] Added a unit test for float arithmetic.

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This commit is contained in:
jtuu 2019-10-17 23:57:47 +03:00
parent f42d66e7e1
commit 27e0d2fd6d
1 changed files with 31 additions and 0 deletions
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31
src/quest_editor/scripting/vm/index.test.ts
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@ -69,6 +69,37 @@ test("integer arithmetic opcodes", () => {
expect(() => compute_arithmetic_with_register("div", 1, 0)).toThrow();
});
// TODO: add more fp tests
test("floating point arithmetic opcodes", () => {
class TestIO extends VMIOStub {
error = jest.fn((err: Error, srcloc: any) => {
throw err;
});
}
const precision = 9;
const obj_code = to_instructions(`
0:
fleti r100, 0.3
fsubi r100, 0.2
fsubi r100, 0.1
fleti r101, 1.0
fdiv r101, r100
`);
const vm = new VirtualMachine(new TestIO());
vm.load_object_code(obj_code);
vm.start_thread(0);
let last_result: ExecutionResult;
do {
last_result = vm.execute();
} while (last_result !== ExecutionResult.Halted);
expect(vm.get_register_float(100)).toBeCloseTo(7.4505806e-09, precision);
expect(vm.get_register_float(101)).toBeCloseTo(134217728, precision);
});
test("basic window_msg output", () => {
const messages = ["foo", "bar", "buz"];
const segments = to_instructions(