More expr test cases
This commit is contained in:
parent
7e21e71a07
commit
9acba7431f
1 changed files with 39 additions and 8 deletions
|
@ -2,7 +2,7 @@ import { AsText, TextPiece } from "../words";
|
||||||
import { Expr } from "./expr";
|
import { Expr } from "./expr";
|
||||||
|
|
||||||
describe("expr", () => {
|
describe("expr", () => {
|
||||||
describe("Expr does math", () => {
|
describe("does math", () => {
|
||||||
test.each([
|
test.each([
|
||||||
["1", "1"],
|
["1", "1"],
|
||||||
["-1", "-1"],
|
["-1", "-1"],
|
||||||
|
@ -28,8 +28,6 @@ describe("expr", () => {
|
||||||
["6 % -5", "-4"],
|
["6 % -5", "-4"],
|
||||||
["-6 % -5", "-1"],
|
["-6 % -5", "-1"],
|
||||||
["-1 % -5", "-1"],
|
["-1 % -5", "-1"],
|
||||||
// TODO: operator precedence
|
|
||||||
// TODO: parentheses
|
|
||||||
])("%s", (expression, result) => {
|
])("%s", (expression, result) => {
|
||||||
const actualResult = Expr({}, [{ text: expression }]);
|
const actualResult = Expr({}, [{ text: expression }]);
|
||||||
expect("error" in actualResult).toBeFalsy();
|
expect("error" in actualResult).toBeFalsy();
|
||||||
|
@ -37,13 +35,46 @@ describe("expr", () => {
|
||||||
});
|
});
|
||||||
});
|
});
|
||||||
|
|
||||||
// TODO; error reporting
|
describe("handles operator precedence", () => {
|
||||||
describe("Expr rejects invalid expressions", () => {
|
test.each([
|
||||||
test.each([["1 $ 2"], ["1 1 + 2"], ["$ 1"]])("%s", (expression) => {
|
["1 - 2 + 1", "0"],
|
||||||
|
["1 + 2 * 3", "7"],
|
||||||
|
["1 / 2 + 3", "3.5"],
|
||||||
|
])("%s", (expression, result) => {
|
||||||
const actualResult = Expr({}, [{ text: expression }]);
|
const actualResult = Expr({}, [{ text: expression }]);
|
||||||
expect("error" in actualResult).toBeTruthy();
|
expect("error" in actualResult).toBeFalsy();
|
||||||
|
expect(AsText(actualResult as TextPiece)).toEqual(result);
|
||||||
});
|
});
|
||||||
});
|
});
|
||||||
|
|
||||||
// TODO: handle expr prefix
|
// TODO: parentheses
|
||||||
|
|
||||||
|
// TODO; error reporting
|
||||||
|
describe("rejects invalid expressions", () => {
|
||||||
|
test.each([[""], ["1 $ 2"], ["1 1 + 2"], ["1 + + 2"], ["$ 1"]])(
|
||||||
|
"%s",
|
||||||
|
(expression) => {
|
||||||
|
const actualResult = Expr({}, [{ text: expression }]);
|
||||||
|
expect("error" in actualResult).toBeTruthy();
|
||||||
|
}
|
||||||
|
);
|
||||||
|
});
|
||||||
|
|
||||||
|
// TODO: operators should only be accepted as bare words
|
||||||
|
|
||||||
|
describe("ignores an expr prefix", () => {
|
||||||
|
test.each([
|
||||||
|
[["1", "+", "2"]],
|
||||||
|
[["expr", "1", "+", "2"]],
|
||||||
|
[["1 + 2"]],
|
||||||
|
[["expr", "1 + 2"]],
|
||||||
|
])("%s", (argv) => {
|
||||||
|
const actualResult = Expr(
|
||||||
|
{},
|
||||||
|
argv.map((text) => ({ bare: text }))
|
||||||
|
);
|
||||||
|
expect("error" in actualResult).toBeFalsy();
|
||||||
|
expect(AsText(actualResult as TextPiece)).toEqual("3");
|
||||||
|
});
|
||||||
|
});
|
||||||
});
|
});
|
||||||
|
|
Loading…
Reference in a new issue