Add tests for CJS_Console methods.

Change-Id: Ie534b26d8241e889ad9cdca942e142cddca44bf4
Reviewed-on: https://pdfium-review.googlesource.com/c/43933
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
diff --git a/testing/resources/javascript/console_methods.in b/testing/resources/javascript/console_methods.in
new file mode 100644
index 0000000..0fbba3f
--- /dev/null
+++ b/testing/resources/javascript/console_methods.in
@@ -0,0 +1,49 @@
+{{header}}
+{{object 1 0}} <<
+  /Type /Catalog
+  /Pages 2 0 R
+  /OpenAction 10 0 R
+>>
+endobj
+{{object 2 0}} <<
+  /Type /Pages
+  /Count 1
+  /Kids [
+    3 0 R
+  ]
+>>
+endobj
+% Page number 0.
+{{object 3 0}} <<
+  /Type /Page
+  /Parent 2 0 R
+  /MediaBox [0 0 612 792]
+>>
+endobj
+% OpenAction action
+{{object 10 0}} <<
+  /Type /Action
+  /S /JavaScript
+  /JS 11 0 R
+>>
+endobj
+% JS program to exexute
+{{object 11 0}} <<
+  {{streamlen}}
+>>
+stream
+try {
+  app.alert("testing console methods");
+  console.clear();
+  console.hide();
+  console.println("clams");
+  console.show();
+} catch (e) {
+  app.alert("FAILURE: " + e);
+}
+endstream
+endobj
+{{xref}}
+{{trailer}}
+{{startxref}}
+%%EOF
diff --git a/testing/resources/javascript/console_methods_expected.txt b/testing/resources/javascript/console_methods_expected.txt
new file mode 100644
index 0000000..c4ea072
--- /dev/null
+++ b/testing/resources/javascript/console_methods_expected.txt
@@ -0,0 +1 @@
+Alert: testing console methods