1 files changed, 62 insertions, 0 deletions
diff --git a/toolkit/components/commandlines/test/unit/test_createCommandLine.js b/toolkit/components/commandlines/test/unit/test_createCommandLine.js
new file mode 100644
index 0000000000..08c02981d9
--- /dev/null
+++ b/toolkit/components/commandlines/test/unit/test_createCommandLine.js
@@ -0,0 +1,62 @@
+/* Any copyright is dedicated to the Public Domain.
+http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+add_task(async function test_createCommandLine() {
+  const EXISTING_FILE = do_get_file("xpcshell.toml");
+
+  // Test `arguments`.
+  let cmdLine = Cu.createCommandLine(
+    [],
+    null,
+    Ci.nsICommandLine.STATE_REMOTE_EXPLICIT
+  );
+  Assert.equal(cmdLine.length, 0);
+  Assert.throws(() => cmdLine.workingDirectory, /NS_ERROR_NOT_INITIALIZED/);
+  Assert.equal(cmdLine.state, Ci.nsICommandLine.STATE_REMOTE_EXPLICIT);
+
+  cmdLine = Cu.createCommandLine(
+    ["test"],
+    null,
+    Ci.nsICommandLine.STATE_REMOTE_EXPLICIT
+  );
+  Assert.equal(cmdLine.length, 1);
+  Assert.equal(cmdLine.getArgument(0), "test");
+  Assert.throws(() => cmdLine.getArgument(1), /NS_ERROR_ILLEGAL_VALUE/);
+  Assert.throws(() => cmdLine.workingDirectory, /NS_ERROR_NOT_INITIALIZED/);
+  Assert.equal(cmdLine.state, Ci.nsICommandLine.STATE_REMOTE_EXPLICIT);
+
+  cmdLine = Cu.createCommandLine(
+    ["test1", "test2"],
+    null,
+    Ci.nsICommandLine.STATE_REMOTE_EXPLICIT
+  );
+  Assert.equal(cmdLine.length, 2);
+  Assert.equal(cmdLine.getArgument(0), "test1");
+  Assert.equal(cmdLine.getArgument(1), "test2");
+  Assert.throws(() => cmdLine.getArgument(2), /NS_ERROR_ILLEGAL_VALUE/);
+  Assert.throws(() => cmdLine.workingDirectory, /NS_ERROR_NOT_INITIALIZED/);
+  Assert.equal(cmdLine.state, Ci.nsICommandLine.STATE_REMOTE_EXPLICIT);
+
+  // Test `workingDirectory`.
+  cmdLine = Cu.createCommandLine(
+    [],
+    EXISTING_FILE.parent,
+    Ci.nsICommandLine.STATE_REMOTE_AUTO
+  );
+  Assert.equal(cmdLine.length, 0);
+  Assert.equal(cmdLine.workingDirectory.path, EXISTING_FILE.parent.path);
+  Assert.equal(cmdLine.state, Ci.nsICommandLine.STATE_REMOTE_AUTO);
+
+  // Test `state`.
+  cmdLine = Cu.createCommandLine([], null, Ci.nsICommandLine.STATE_REMOTE_AUTO);
+  Assert.equal(cmdLine.state, Ci.nsICommandLine.STATE_REMOTE_AUTO);
+
+  cmdLine = Cu.createCommandLine(
+    [],
+    EXISTING_FILE.parent,
+    Ci.nsICommandLine.STATE_REMOTE_EXPLICIT
+  );
+  Assert.equal(cmdLine.state, Ci.nsICommandLine.STATE_REMOTE_EXPLICIT);
+});