DevTools: [SSP] Implement adding new rule in user stylesheet

LayoutTests/inspector-protocol/css/css-add-rule-expected.txt

Index: LayoutTests/inspector-protocol/css/css-add-rule-expected.txt
diff --git a/LayoutTests/inspector-protocol/css/css-add-rule-expected.txt b/LayoutTests/inspector-protocol/css/css-add-rule-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3eab309d7d905ef9c3be824757b52fef434a29fb
--- /dev/null
+++ b/LayoutTests/inspector-protocol/css/css-add-rule-expected.txt
@@ -0,0 +1,367 @@
+The test verifies functionality of protocol method CSS.addRule.
+
+==== Initial style sheet text ====
+#test {
+    box-sizing: border-box;
+}
+
+#test {
+    /* resetting some properties */
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex; /* flex FTW! */
+}
+
+@media (min-width: 1px) {
+    #test {
+        font-size: 200%;
+    }
+
+    #test {
+    }
+}
+
+
+
+Running test: testAddRuleToStyleSheetBeginning
+==== Style sheet text ====
+#test { content: 'EDITED'; }#test {
+    box-sizing: border-box;
+}
+
+#test {
+    /* resetting some properties */
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex; /* flex FTW! */
+}
+
+@media (min-width: 1px) {
+    #test {
+        font-size: 200%;
+    }
+
+    #test {
+    }
+}
+
+
+Dumping matched rules: 
+*#test* {    regular
+    content: 'EDITED';
+}
+*#test* {    regular
+    box-sizing: border-box;
+}
+*#test* {    regular
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex;
+}
+@media (min-width: 1px)
+    *#test* {    regular
+        font-size: 200%;
+    }
+@media (min-width: 1px)
+    *#test* {    regular
+    }
+
+Running test: testAddRuleToStyleSheetEnding
+==== Style sheet text ====
+#test {
+    box-sizing: border-box;
+}
+
+#test {
+    /* resetting some properties */
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex; /* flex FTW! */
+}
+
+@media (min-width: 1px) {
+    #test {
+        font-size: 200%;
+    }
+
+    #test {
+    }
+}
+#test { content: 'EDITED'; }
+
+Dumping matched rules: 
+*#test* {    regular
+    box-sizing: border-box;
+}
+*#test* {    regular
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex;
+}
+@media (min-width: 1px)
+    *#test* {    regular
+        font-size: 200%;
+    }
+@media (min-width: 1px)
+    *#test* {    regular
+    }
+*#test* {    regular
+    content: 'EDITED';
+}
+
+Running test: testAddRuleToStyleSheetCenter
+==== Style sheet text ====
+#test {
+    box-sizing: border-box;
+}
+
+#test {
+    /* resetting some properties */
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex; /* flex FTW! */
+}
+#test { content: 'EDITED'; }
+@media (min-width: 1px) {
+    #test {
+        font-size: 200%;
+    }
+
+    #test {
+    }
+}
+
+
+Dumping matched rules: 
+*#test* {    regular
+    box-sizing: border-box;
+}
+*#test* {    regular
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex;
+}
+*#test* {    regular
+    content: 'EDITED';
+}
+@media (min-width: 1px)
+    *#test* {    regular
+        font-size: 200%;
+    }
+@media (min-width: 1px)
+    *#test* {    regular
+    }
+
+Running test: testAddRuleToRuleEnding
+==== Style sheet text ====
+#test {
+    box-sizing: border-box;
+}#test{
+    content: 'EDITED';
+}
+
+#test {
+    /* resetting some properties */
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex; /* flex FTW! */
+}
+
+@media (min-width: 1px) {
+    #test {
+        font-size: 200%;
+    }
+
+    #test {
+    }
+}
+
+
+Dumping matched rules: 
+*#test* {    regular
+    box-sizing: border-box;
+}
+*#test* {    regular
+    content: 'EDITED';
+}
+*#test* {    regular
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex;
+}
+@media (min-width: 1px)
+    *#test* {    regular
+        font-size: 200%;
+    }
+@media (min-width: 1px)
+    *#test* {    regular
+    }
+
+Running test: testAddRuleToMediaRuleBeginning
+==== Style sheet text ====
+#test {
+    box-sizing: border-box;
+}
+
+#test {
+    /* resetting some properties */
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex; /* flex FTW! */
+}
+
+@media (min-width: 1px) {#test { content: 'EDITED'; }
+    #test {
+        font-size: 200%;
+    }
+
+    #test {
+    }
+}
+
+
+Dumping matched rules: 
+*#test* {    regular
+    box-sizing: border-box;
+}
+*#test* {    regular
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex;
+}
+@media (min-width: 1px)
+    *#test* {    regular
+        content: 'EDITED';
+    }
+@media (min-width: 1px)
+    *#test* {    regular
+        font-size: 200%;
+    }
+@media (min-width: 1px)
+    *#test* {    regular
+    }
+
+Running test: testAddRuleToMediaRuleCenter
+==== Style sheet text ====
+#test {
+    box-sizing: border-box;
+}
+
+#test {
+    /* resetting some properties */
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex; /* flex FTW! */
+}
+
+@media (min-width: 1px) {
+    #test {
+        font-size: 200%;
+    }
+#test { content: 'EDITED'; }
+    #test {
+    }
+}
+
+
+Dumping matched rules: 
+*#test* {    regular
+    box-sizing: border-box;
+}
+*#test* {    regular
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex;
+}
+@media (min-width: 1px)
+    *#test* {    regular
+        font-size: 200%;
+    }
+@media (min-width: 1px)
+    *#test* {    regular
+        content: 'EDITED';
+    }
+@media (min-width: 1px)
+    *#test* {    regular
+    }
+
+Running test: testAddRuleToMediaRuleEnd
+==== Style sheet text ====
+#test {
+    box-sizing: border-box;
+}
+
+#test {
+    /* resetting some properties */
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex; /* flex FTW! */
+}
+
+@media (min-width: 1px) {
+    #test {
+        font-size: 200%;
+    }
+
+    #test {
+    }
+#test { content: 'EDITED'; }}
+
+
+Dumping matched rules: 
+*#test* {    regular
+    box-sizing: border-box;
+}
+*#test* {    regular
+    line-height: 1;
+    font-family: "Arial";
+    color: blue;
+    display: flex;
+}
+@media (min-width: 1px)
+    *#test* {    regular
+        font-size: 200%;
+    }
+@media (min-width: 1px)
+    *#test* {    regular
+    }
+@media (min-width: 1px)
+    *#test* {    regular
+        content: 'EDITED';
+    }
+
+Running test: testInvalidRule
+Expected protocol error: SyntaxError Rule text is not valid.
+
+Running test: testAddingRuleInsideSelector
+Expected protocol error: NotFoundError Cannot insert rule inside rule selector.
+
+Running test: testAddingRuleBeforeRuleBody
+Expected protocol error: NotFoundError Cannot insert rule inside rule selector.
+
+Running test: testAddingRuleInsideMedia1
+Expected protocol error: NotFoundError Cannot insert rule inside rule selector.
+
+Running test: testAddingRuleInsideMedia2
+Expected protocol error: NotFoundError Cannot insert rule inside rule selector.
+
+Running test: testAddingRuleBeforeMediaBody
+Expected protocol error: NotFoundError Cannot insert rule inside rule selector.
+
+Running test: testAddingRuleInsideStyleRule
+Expected protocol error: NotFoundError Cannot insert rule in non-media rule.
+