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-rw-r--r--devtools/client/sourceeditor/test/browser_detectindent.js102
1 files changed, 102 insertions, 0 deletions
diff --git a/devtools/client/sourceeditor/test/browser_detectindent.js b/devtools/client/sourceeditor/test/browser_detectindent.js
new file mode 100644
index 000000000..89a3898d1
--- /dev/null
+++ b/devtools/client/sourceeditor/test/browser_detectindent.js
@@ -0,0 +1,102 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TWO_SPACES_CODE = [
+ "/*",
+ " * tricky comment block",
+ " */",
+ "div {",
+ " color: red;",
+ " background: blue;",
+ "}",
+ " ",
+ "span {",
+ " padding-left: 10px;",
+ "}"
+].join("\n");
+
+const FOUR_SPACES_CODE = [
+ "var obj = {",
+ " addNumbers: function() {",
+ " var x = 5;",
+ " var y = 18;",
+ " return x + y;",
+ " },",
+ " ",
+ " /*",
+ " * Do some stuff to two numbers",
+ " * ",
+ " * @param x",
+ " * @param y",
+ " * ",
+ " * @return the result of doing stuff",
+ " */",
+ " subtractNumbers: function(x, y) {",
+ " var x += 7;",
+ " var y += 18;",
+ " var result = x - y;",
+ " result %= 2;",
+ " }",
+ "}"
+].join("\n");
+
+const TABS_CODE = [
+ "/*",
+ " * tricky comment block",
+ " */",
+ "div {",
+ "\tcolor: red;",
+ "\tbackground: blue;",
+ "}",
+ "",
+ "span {",
+ "\tpadding-left: 10px;",
+ "}"
+].join("\n");
+
+const NONE_CODE = [
+ "var x = 0;",
+ " // stray thing",
+ "var y = 9;",
+ " ",
+ ""
+].join("\n");
+
+function test() {
+ waitForExplicitFinish();
+
+ setup((ed, win) => {
+ is(ed.getOption("indentUnit"), 2,
+ "2 spaces before code added");
+ is(ed.getOption("indentWithTabs"), false,
+ "spaces is default");
+
+ ed.setText(NONE_CODE);
+ is(ed.getOption("indentUnit"), 2,
+ "2 spaces after un-detectable code");
+ is(ed.getOption("indentWithTabs"), false,
+ "spaces still set after un-detectable code");
+
+ ed.setText(FOUR_SPACES_CODE);
+ is(ed.getOption("indentUnit"), 4,
+ "4 spaces detected in 4 space code");
+ is(ed.getOption("indentWithTabs"), false,
+ "spaces detected in 4 space code");
+
+ ed.setText(TWO_SPACES_CODE);
+ is(ed.getOption("indentUnit"), 2,
+ "2 spaces detected in 2 space code");
+ is(ed.getOption("indentWithTabs"), false,
+ "spaces detected in 2 space code");
+
+ ed.setText(TABS_CODE);
+ is(ed.getOption("indentUnit"), 2,
+ "2 space indentation unit");
+ is(ed.getOption("indentWithTabs"), true,
+ "tabs detected in majority tabs code");
+
+ teardown(ed, win);
+ });
+}