From e71a1e616fd1c2e41c2fbb702207dad2aecc9b9d Mon Sep 17 00:00:00 2001
From: Hana <andywangsy@gmail.com>
Date: Wed, 25 Oct 2023 12:25:17 +0800
Subject: [PATCH] test: more test cases

---
 .../builtin-swc-loader/source-map/a.ts        |  4 ++
 .../builtin-swc-loader/source-map/index.js    | 51 +++++++++++++++++++
 .../source-map/webpack.config.js              | 30 +++++++++++
 .../source-map/source-map/index.js            |  3 +-
 4 files changed, 86 insertions(+), 2 deletions(-)
 create mode 100644 packages/rspack/tests/configCases/builtin-swc-loader/source-map/a.ts
 create mode 100644 packages/rspack/tests/configCases/builtin-swc-loader/source-map/index.js
 create mode 100644 packages/rspack/tests/configCases/builtin-swc-loader/source-map/webpack.config.js

diff --git a/packages/rspack/tests/configCases/builtin-swc-loader/source-map/a.ts b/packages/rspack/tests/configCases/builtin-swc-loader/source-map/a.ts
new file mode 100644
index 000000000000..ec127c18f7ae
--- /dev/null
+++ b/packages/rspack/tests/configCases/builtin-swc-loader/source-map/a.ts
@@ -0,0 +1,4 @@
+let foo: string = "f1";
+let bar: string = "b1";
+let baz: string = "b2";
+const boo = <string>"abc";
diff --git a/packages/rspack/tests/configCases/builtin-swc-loader/source-map/index.js b/packages/rspack/tests/configCases/builtin-swc-loader/source-map/index.js
new file mode 100644
index 000000000000..4c158ae172d7
--- /dev/null
+++ b/packages/rspack/tests/configCases/builtin-swc-loader/source-map/index.js
@@ -0,0 +1,51 @@
+require("./a");
+
+it("should generate correct sourceMap", async () => {
+	const path = require("path");
+	const fs = require("fs");
+	const source = fs.readFileSync(__filename + ".map", "utf-8");
+	const map = JSON.parse(source);
+	const sourceContent = fs.readFileSync(
+		path.resolve(__dirname, "../a.ts"),
+		"utf-8"
+	);
+	expect(map.sources).toContain("./a.ts");
+	expect(map.sourcesContent[1]).toEqual(sourceContent);
+
+	checkStub("fo" + "o", sourceContent);
+	checkStub("ba" + "r", sourceContent);
+	checkStub("ba" + "z", sourceContent);
+	checkStub(wrap("f" + 1), sourceContent);
+	checkStub(wrap("b" + 1), sourceContent);
+	checkStub(wrap("b" + 2), sourceContent);
+	checkStub(wrap("ab" + "c"), sourceContent);
+});
+
+const wrap = v => `"${v}"`;
+const checkStub = async (stub, sourceContent) => {
+	const fs = require("fs");
+	const { SourceMapConsumer } = require("source-map");
+
+	const source = fs.readFileSync(__filename + ".map", "utf-8");
+	const map = JSON.parse(source);
+	const consumer = await new SourceMapConsumer(map);
+	const generated = fs.readFileSync(__filename, "utf-8");
+	const { line, column } = consumer.originalPositionFor(
+		positionFor(generated, stub)
+	);
+	const { line: originalLine, column: originalColumn } = positionFor(
+		sourceContent,
+		stub
+	);
+	expect(line).toBe(originalLine);
+	expect(column).toBe(originalColumn);
+};
+
+const positionFor = (content, text) => {
+	let lines = content.split(/\r?\n/);
+	for (let i = 0; i < lines.length; i++) {
+		const column = lines[i].indexOf(text);
+		if (column >= 0) return { line: i + 1, column };
+	}
+	return null;
+};
diff --git a/packages/rspack/tests/configCases/builtin-swc-loader/source-map/webpack.config.js b/packages/rspack/tests/configCases/builtin-swc-loader/source-map/webpack.config.js
new file mode 100644
index 000000000000..9a885b0413bd
--- /dev/null
+++ b/packages/rspack/tests/configCases/builtin-swc-loader/source-map/webpack.config.js
@@ -0,0 +1,30 @@
+module.exports = {
+	devtool: "source-map",
+	externals: ["source-map"],
+	externalsType: "commonjs",
+	module: {
+		rules: [
+			{
+				test: /\.ts$/,
+				use: [
+					{
+						loader: "builtin:swc-loader",
+						options: {
+							jsc: {
+								parser: {
+									syntax: "typescript"
+								}
+							}
+						}
+					}
+				],
+				type: "javascript/auto"
+			}
+		]
+	},
+	experiments: {
+		rspackFuture: {
+			disableTransformByDefault: true
+		}
+	}
+};
diff --git a/packages/rspack/tests/configCases/source-map/source-map/index.js b/packages/rspack/tests/configCases/source-map/source-map/index.js
index f18605afdac4..3e95531b8190 100644
--- a/packages/rspack/tests/configCases/source-map/source-map/index.js
+++ b/packages/rspack/tests/configCases/source-map/source-map/index.js
@@ -12,8 +12,7 @@ it("should map to the original content if `module` enabled", async () => {
 	const consumer = await new sourceMap.SourceMapConsumer(map);
 	expect(map.sources).toContain("./App.jsx");
 	expect(map.sourcesContent[1]).toEqual(app);
-	const STUB =
-		"\u0048\u0065\u006c\u006c\u006f\u0020\u0052\u0073\u0070\u0061\u0063\u006b\u0021";
+	const STUB = "Hello" + " " + "Rspack!";
 	const { line, column } = consumer.originalPositionFor(
 		positionFor(generated, STUB)
 	);