.

packages/core/__tests__/core.test.ts

@@ -168,6 +168,24 @@ describe('@actions/core', () => {
     ])
   })
 
+  it('setSecret produces the correct command 2', () => {
+    core.setSecret('secret val %')
+    core.setSecret('multi\nline\r\nsecret')
+    assertWriteCalls([
+      `::add-mask::secret val %25${os.EOL}`,
+      `::add-mask::multi%0Aline%0D%0Asecret${os.EOL}`
+    ])
+  })
+
+  it('setSecret produces the correct command 3', () => {
+    core.setSecret('secret val %25')
+    core.setSecret('multi\nline\r\nsecret')
+    assertWriteCalls([
+      `::add-mask::secret val %2525${os.EOL}`,
+      `::add-mask::multi%0Aline%0D%0Asecret${os.EOL}`
+    ])
+  })
+
   it('prependPath produces the correct commands and sets the env', () => {
     const command = 'PATH'
     createFileCommandFile(command)