Test for failing to write import

Author: sheetalkamat

src/testRunner/unittests/tsc/incremental.ts

@@ -857,4 +857,54 @@ console.log(a);`,
         }],
         baselinePrograms: true,
     });
+
+    verifyTsc({
+        scenario: "incremental",
+        subScenario: "generates typerefs correctly",
+        commandLineArgs: ["-p", `/src/project`],
+        fs: () => loadProjectFromFiles({
+            "/src/project/tsconfig.json": JSON.stringify({
+                compilerOptions: {
+                    composite: true,
+                    outDir: "outDir",
+                    checkJs: true,
+                },
+                include: ["src"]
+            }),
+            "/src/project/src/box.ts": Utils.dedent`
+                export interface Box<T> {
+                    unbox(): T
+                }
+            `,
+            "/src/project/src/bug.js": Utils.dedent`
+                import * as B from "./box.js"
+                import * as W from "./wrap.js"
+
+                /**
+                 * @template {object} C
+                 * @param {C} source
+                 * @returns {W.Wrap<C>}
+                 */
+                const wrap = source => {
+                throw source
+                }
+
+                /**
+                 * @returns {B.Box<number>}
+                 */
+                const box = (n = 0) => ({ unbox: () => n })
+
+                export const bug = wrap({ n: box(1) });
+            `,
+            "/src/project/src/wrap.ts": Utils.dedent`
+                export type Wrap<C> = {
+                    [K in keyof C]: { wrapped: C[K] }
+                }
+            `,
+        }),
+        edits: [{
+            caption: "modify js file",
+            edit: fs => appendText(fs, "/src/project/src/bug.js", `export const something = 1;`),
+        }]
+    });
 });

tests/baselines/reference/tsc/incremental/generates-typerefs-correctly-discrepancies.js

@@ -0,0 +1,127 @@
+0:: modify js file
+*** Needs explanation
+File: /src/project/outdir/src/bug.d.ts
+CleanBuild:
+export const bug: W.Wrap<{
+    n: B.Box<number>;
+}>;
+export const something: 1;
+import * as B from "./box.js";
+import * as W from "./wrap.js";
+
+IncrementalBuild:
+export const bug: W.Wrap<{
+    n: B.Box<number>;
+}>;
+export const something: 1;
+import * as W from "./wrap.js";
+
+TsBuild info text without affectedFilesPendingEmit:: /src/project/outdir/tsconfig.tsbuildinfo.readable.baseline.txt::
+CleanBuild:
+{
+  "program": {
+    "fileInfos": {
+      "../../../lib/lib.d.ts": {
+        "version": "3858781397-/// <reference no-default-lib=\"true\"/>\ninterface Boolean {}\ninterface Function {}\ninterface CallableFunction {}\ninterface NewableFunction {}\ninterface IArguments {}\ninterface Number { toExponential: any; }\ninterface Object {}\ninterface RegExp {}\ninterface String { charAt: any; }\ninterface Array<T> { length: number; [n: number]: T; }\ninterface ReadonlyArray<T> {}\ndeclare const console: { log(msg: any): void; };",
+        "affectsGlobalScope": true
+      },
+      "../src/box.ts": {
+        "version": "-14267342128-export interface Box<T> {\n    unbox(): T\n}\n"
+      },
+      "../src/wrap.ts": {
+        "version": "-7208318765-export type Wrap<C> = {\n    [K in keyof C]: { wrapped: C[K] }\n}\n"
+      },
+      "../src/bug.js": {
+        "version": "-25729561895-import * as B from \"./box.js\"\nimport * as W from \"./wrap.js\"\n\n/**\n * @template {object} C\n * @param {C} source\n * @returns {W.Wrap<C>}\n */\nconst wrap = source => {\nthrow source\n}\n\n/**\n * @returns {B.Box<number>}\n */\nconst box = (n = 0) => ({ unbox: () => n })\n\nexport const bug = wrap({ n: box(1) });\nexport const something = 1;"
+      }
+    },
+    "root": [
+      [
+        [
+          2,
+          4
+        ],
+        [
+          "../src/box.ts",
+          "../src/wrap.ts",
+          "../src/bug.js"
+        ]
+      ]
+    ],
+    "options": {
+      "composite": true,
+      "outDir": "./"
+    },
+    "referencedMap": {
+      "../src/bug.js": [
+        "../src/box.ts",
+        "../src/wrap.ts"
+      ]
+    },
+    "semanticDiagnosticsPerFile": [
+      "../../../lib/lib.d.ts",
+      "../src/box.ts",
+      "../src/bug.js",
+      "../src/wrap.ts"
+    ],
+    "latestChangedDtsFile": "FakeFileName"
+  },
+  "version": "FakeTSVersion"
+}
+IncrementalBuild:
+{
+  "program": {
+    "fileInfos": {
+      "../../../lib/lib.d.ts": {
+        "version": "3858781397-/// <reference no-default-lib=\"true\"/>\ninterface Boolean {}\ninterface Function {}\ninterface CallableFunction {}\ninterface NewableFunction {}\ninterface IArguments {}\ninterface Number { toExponential: any; }\ninterface Object {}\ninterface RegExp {}\ninterface String { charAt: any; }\ninterface Array<T> { length: number; [n: number]: T; }\ninterface ReadonlyArray<T> {}\ndeclare const console: { log(msg: any): void; };",
+        "affectsGlobalScope": true
+      },
+      "../src/box.ts": {
+        "version": "-14267342128-export interface Box<T> {\n    unbox(): T\n}\n"
+      },
+      "../src/wrap.ts": {
+        "version": "-7208318765-export type Wrap<C> = {\n    [K in keyof C]: { wrapped: C[K] }\n}\n"
+      },
+      "../src/bug.js": {
+        "version": "-25729561895-import * as B from \"./box.js\"\nimport * as W from \"./wrap.js\"\n\n/**\n * @template {object} C\n * @param {C} source\n * @returns {W.Wrap<C>}\n */\nconst wrap = source => {\nthrow source\n}\n\n/**\n * @returns {B.Box<number>}\n */\nconst box = (n = 0) => ({ unbox: () => n })\n\nexport const bug = wrap({ n: box(1) });\nexport const something = 1;"
+      }
+    },
+    "root": [
+      [
+        [
+          2,
+          4
+        ],
+        [
+          "../src/box.ts",
+          "../src/wrap.ts",
+          "../src/bug.js"
+        ]
+      ]
+    ],
+    "options": {
+      "composite": true,
+      "outDir": "./"
+    },
+    "referencedMap": {
+      "../src/bug.js": [
+        "../src/box.ts",
+        "../src/wrap.ts"
+      ]
+    },
+    "semanticDiagnosticsPerFile": [
+      "../../../lib/lib.d.ts",
+      "../src/box.ts",
+      "../src/bug.js",
+      "../src/wrap.ts"
+    ],
+    "emitSignatures": [
+      [
+        "../src/bug.js",
+        "1273570373-export const bug: W.Wrap<{\n    n: B.Box<number>;\n}>;\nexport const something: 1;\nimport * as W from \"./wrap.js\";\n"
+      ]
+    ],
+    "latestChangedDtsFile": "FakeFileName"
+  },
+  "version": "FakeTSVersion"
+}