• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1/*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16import { expect } from 'chai';
17import * as ts from "typescript";
18import { compileNumericLiteral } from "../../src/expression/numericLiteral";
19import {
20    Fldai,
21    Imm,
22    Lda,
23    Ldai,
24    VReg,
25} from "../../src/irnodes";
26import { PandaGen } from "../../src/pandagen";
27import { checkInstructions } from "../utils/base";
28import { creatAstFromSnippet } from "../utils/asthelper"
29
30describe("compileNumericLiteral", function () {
31    it("NaN", function () {
32        let pandaGen = new PandaGen("ignored", creatAstFromSnippet("NaN"), 0, undefined);
33        let node: ts.NumericLiteral = ts.createNumericLiteral("NaN");
34        compileNumericLiteral(pandaGen, node);
35        let insns = pandaGen.getInsns();
36        let expected = [new Lda(new VReg())];
37        expect(checkInstructions(insns, expected)).to.be.true;
38    });
39
40    it("Infinity", function () {
41        let pandaGen = new PandaGen("ignored", creatAstFromSnippet("10e10000"), 0, undefined);
42        let node: ts.NumericLiteral = ts.createNumericLiteral("10e10000");
43        compileNumericLiteral(pandaGen, node);
44        let insns = pandaGen.getInsns();
45        let expected = [new Lda(new VReg())];
46        expect(checkInstructions(insns, expected)).to.be.true;
47    });
48    it("int", function () {
49        let pandaGen = new PandaGen("ignored", creatAstFromSnippet("1"), 0, undefined);
50        let node: ts.NumericLiteral = ts.createNumericLiteral("1");
51        compileNumericLiteral(pandaGen, node);
52        let insns = pandaGen.getInsns();
53        let expected = [new Ldai(new Imm(1))];
54        expect(checkInstructions(insns, expected)).to.be.true;
55    });
56    it("Integer overflow", function () {
57        let pandaGen = new PandaGen("ignored", creatAstFromSnippet("2147483648"), 0, undefined);
58        let node: ts.NumericLiteral = ts.createNumericLiteral("2147483648");
59        compileNumericLiteral(pandaGen, node);
60        let insns = pandaGen.getInsns();
61        let expected = [new Fldai(new Imm(2147483648))];
62        expect(checkInstructions(insns, expected)).to.be.true;
63    });
64    it("double", function () {
65        let pandaGen = new PandaGen("ignored", creatAstFromSnippet("1.1"), 0, undefined);
66        let node: ts.NumericLiteral = ts.createNumericLiteral("1.1");
67        compileNumericLiteral(pandaGen, node);
68        let insns = pandaGen.getInsns();
69        let expected = [new Fldai(new Imm(1.1))];
70        expect(checkInstructions(insns, expected)).to.be.true;
71    });
72})