Rewrite tests

src/testRunner/tsconfig.json

@@ -116,6 +116,7 @@
         "unittests/tsbuild/watchMode.ts",
         "unittests/tsc/declarationEmit.ts",
         "unittests/tsc/incremental.ts",
+        "unittests/tsc/listFilesOnly.ts",
         "unittests/tscWatch/consoleClearing.ts",
         "unittests/tscWatch/emit.ts",
         "unittests/tscWatch/emitAndErrorUpdates.ts",

src/testRunner/unittests/tsc/listFilesOnly.ts

@@ -0,0 +1,33 @@
+namespace ts {
+    describe("unittests:: tsc:: listFilesOnly::", () => {
+        verifyTsc({
+            scenario: "listFilesOnly",
+            subScenario: "before watch",
+            fs: () => loadProjectFromFiles({
+                "/src/test.ts": utils.dedent`
+                        export const x = 1;`,
+            }),
+            commandLineArgs: ["/src/test.ts", "--listFilesOnly", "--watch"]
+        });
+
+        verifyTsc({
+            scenario: "listFilesOnly",
+            subScenario: "after watch",
+            fs: () => loadProjectFromFiles({
+                "/src/test.ts": utils.dedent`
+                        export const x = 1;`,
+            }),
+            commandLineArgs: ["/src/test.ts", "--watch", "--listFilesOnly"]
+        });
+
+        verifyTsc({
+            scenario: "listFilesOnly",
+            subScenario: "loose file",
+            fs: () => loadProjectFromFiles({
+                "/src/test.ts": utils.dedent`
+                        export const x = 1;`,
+            }),
+            commandLineArgs: ["/src/test.ts", "--listFilesOnly"]
+        });
+    });
+}

tests/baselines/reference/tsc/listFilesOnly/initial-build/after-watch.js

@@ -0,0 +1,6 @@
+//// [/lib/initial-buildOutput.txt]
+/lib/tsc /src/test.ts --watch --listFilesOnly
+error TS6370: Options 'watch' and 'listFilesOnly' cannot be combined.
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped
+
+

tests/baselines/reference/tsc/listFilesOnly/initial-build/before-watch.js

@@ -0,0 +1,6 @@
+//// [/lib/initial-buildOutput.txt]
+/lib/tsc /src/test.ts --listFilesOnly --watch
+error TS6370: Options 'watch' and 'listFilesOnly' cannot be combined.
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped
+
+

tests/baselines/reference/tsc/listFilesOnly/initial-build/loose-file.js

@@ -0,0 +1,7 @@
+//// [/lib/initial-buildOutput.txt]
+/lib/tsc /src/test.ts --listFilesOnly
+/lib/lib.d.ts
+/src/test.ts
+exitCode:: ExitStatus.Success
+
+

tests/cases/fourslash/listFilesOnly.ts

@@ -1,10 +0,0 @@
-/// <reference path='fourslash.ts' />
-
-// @listFilesOnly: true
-
-// @Filename: a.js
-////const x = 1;
-
-// Just want to see that no baseline is emitted
-
-verify.noErrors();