329 lines
10 KiB
Rust
329 lines
10 KiB
Rust
use crate::avm1::activation::Activation;
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use crate::avm1::{Object, ObjectPtr, TObject, Value};
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use crate::context::UpdateContext;
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#[allow(dead_code)]
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pub struct VariableDumper<'a> {
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objects: Vec<*const ObjectPtr>,
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depth: u32,
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output: String,
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indent: &'a str,
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}
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impl<'a> VariableDumper<'a> {
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pub fn new(indent: &'a str) -> Self {
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Self {
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objects: Vec::new(),
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depth: 0,
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output: String::new(),
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indent,
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}
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}
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#[allow(dead_code)]
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pub fn dump<'gc>(
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value: &Value<'gc>,
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indent: &str,
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activation: &mut Activation<'_, 'gc>,
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context: &mut UpdateContext<'_, 'gc, '_>,
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) -> String {
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let mut dumper = VariableDumper::new(indent);
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dumper.print_value(value, activation, context);
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dumper.output
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}
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pub fn output(&self) -> &str {
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&self.output
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}
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fn object_id(&mut self, object: &Object) -> (usize, bool) {
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let ptr = object.as_ptr();
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for (i, other) in self.objects.iter().enumerate() {
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if *other == ptr {
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return (i, false);
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}
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}
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let id = self.objects.len();
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self.objects.push(ptr);
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(id, true)
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}
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fn indent(&mut self) {
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for _ in 0..self.depth {
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self.output.push_str(self.indent);
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}
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}
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pub fn print_string(&mut self, string: &str) {
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self.output.push_str("\"");
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for c in string.chars() {
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if c == '"' {
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self.output.push_str("\\\"");
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} else if c == '\\' {
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self.output.push_str("\\\\");
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} else if c == '\n' {
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self.output.push_str("\\n");
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} else if c == '\r' {
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self.output.push_str("\\r");
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} else if c == '\t' {
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self.output.push_str("\\t");
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} else if c == '\u{0008}' {
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self.output.push_str("\\b");
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} else if c == '\u{000C}' {
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self.output.push_str("\\f");
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} else {
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self.output.push(c);
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}
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}
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self.output.push_str("\"");
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}
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pub fn print_object<'gc>(
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&mut self,
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object: &Object<'gc>,
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activation: &mut Activation<'_, 'gc>,
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context: &mut UpdateContext<'_, 'gc, '_>,
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) {
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let (id, new) = self.object_id(object);
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self.output.push_str("[object #");
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self.output.push_str(&id.to_string());
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self.output.push_str("]");
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if new {
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self.print_properties(object, activation, context);
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}
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}
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pub fn print_property<'gc>(
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&mut self,
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object: &Object<'gc>,
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key: &str,
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activation: &mut Activation<'_, 'gc>,
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context: &mut UpdateContext<'_, 'gc, '_>,
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) {
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match object.get(&key, activation, context) {
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Ok(value) => {
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self.print_value(&value, activation, context);
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}
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Err(e) => {
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self.output.push_str("Error: \"");
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self.output.push_str(&e.to_string());
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self.output.push_str("\"");
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}
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}
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}
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pub fn print_properties<'gc>(
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&mut self,
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object: &Object<'gc>,
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activation: &mut Activation<'_, 'gc>,
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context: &mut UpdateContext<'_, 'gc, '_>,
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) {
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let keys = object.get_keys(activation);
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if keys.is_empty() {
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self.output.push_str(" {}");
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} else {
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self.output.push_str(" {\n");
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self.depth += 1;
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for key in keys.into_iter() {
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self.indent();
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self.output.push_str(&key);
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self.output.push_str(": ");
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self.print_property(object, &key, activation, context);
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self.output.push_str("\n");
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}
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self.depth -= 1;
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self.indent();
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self.output.push_str("}");
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}
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}
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pub fn print_value<'gc>(
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&mut self,
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value: &Value<'gc>,
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activation: &mut Activation<'_, 'gc>,
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context: &mut UpdateContext<'_, 'gc, '_>,
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) {
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match value {
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Value::Undefined => self.output.push_str("undefined"),
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Value::Null => self.output.push_str("null"),
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Value::Bool(value) => self.output.push_str(&value.to_string()),
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Value::Number(value) => self.output.push_str(&value.to_string()),
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Value::String(value) => {
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self.print_string(value);
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}
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Value::Object(object) => {
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self.print_object(object, activation, context);
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}
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}
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}
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pub fn print_variables<'gc>(
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&mut self,
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header: &str,
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name: &str,
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object: &Object<'gc>,
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activation: &mut Activation<'_, 'gc>,
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context: &mut UpdateContext<'_, 'gc, '_>,
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) {
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let keys = object.get_keys(activation);
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if keys.is_empty() {
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return;
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}
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self.output.push_str(header);
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self.output.push_str("\n");
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self.depth += 1;
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for key in keys.into_iter() {
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self.output.push_str(&format!("{}.{}", name, key));
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self.output.push_str(" = ");
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self.print_property(object, &key, activation, context);
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self.output.push_str("\n");
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}
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self.depth -= 1;
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self.output.push_str("\n");
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::avm1::error::Error;
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use crate::avm1::test_utils::with_avm;
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use crate::avm1::ScriptObject;
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#[test]
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fn dump_undefined() {
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with_avm(19, |activation, context, _root| -> Result<(), Error> {
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assert_eq!(
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VariableDumper::dump(&Value::Undefined, " ", activation, context),
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"undefined"
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);
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Ok(())
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})
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}
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#[test]
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fn dump_null() {
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with_avm(19, |activation, context, _root| -> Result<(), Error> {
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assert_eq!(
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VariableDumper::dump(&Value::Null, " ", activation, context),
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"null"
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);
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Ok(())
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})
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}
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#[test]
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fn dump_bool() {
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with_avm(19, |activation, context, _root| -> Result<(), Error> {
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assert_eq!(
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VariableDumper::dump(&Value::Bool(true), " ", activation, context),
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"true"
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);
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assert_eq!(
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VariableDumper::dump(&Value::Bool(false), " ", activation, context),
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"false"
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);
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Ok(())
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})
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}
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#[test]
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fn dump_number() {
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with_avm(19, |activation, context, _root| -> Result<(), Error> {
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assert_eq!(
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VariableDumper::dump(&Value::Number(1000.0), " ", activation, context),
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"1000"
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);
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assert_eq!(
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VariableDumper::dump(&Value::Number(-0.05), " ", activation, context),
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"-0.05"
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);
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Ok(())
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})
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}
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#[test]
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fn dump_string() {
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with_avm(19, |activation, context, _root| -> Result<(), Error> {
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assert_eq!(
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VariableDumper::dump(&"".into(), " ", activation, context),
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"\"\""
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);
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assert_eq!(
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VariableDumper::dump(&"HELLO WORLD".into(), " ", activation, context),
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"\"HELLO WORLD\""
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);
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assert_eq!(
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VariableDumper::dump(
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&"Escape \"this\" string\nplease! \u{0008}\u{000C}\n\r\t\"\\".into(),
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" ",
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activation,
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context
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),
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"\"Escape \\\"this\\\" string\\nplease! \\b\\f\\n\\r\\t\\\"\\\\\""
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);
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Ok(())
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})
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}
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#[test]
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fn dump_empty_object() {
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with_avm(19, |activation, context, _root| -> Result<(), Error> {
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let object = ScriptObject::object(context.gc_context, None);
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assert_eq!(
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VariableDumper::dump(&object.into(), " ", activation, context),
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"[object #0] {}"
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);
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Ok(())
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})
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}
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#[test]
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fn dump_object() {
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with_avm(19, |activation, context, _root| -> Result<(), Error> {
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let object = ScriptObject::object(context.gc_context, None);
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let child = ScriptObject::object(context.gc_context, None);
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object.set("self", object.into(), activation, context)?;
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object.set("test", "value".into(), activation, context)?;
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object.set("child", child.into(), activation, context)?;
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child.set("parent", object.into(), activation, context)?;
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child.set("age", Value::Number(6.0), activation, context)?;
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assert_eq!(
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VariableDumper::dump(&object.into(), " ", activation, context),
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"[object #0] {\n child: [object #1] {\n age: 6\n parent: [object #0]\n }\n test: \"value\"\n self: [object #0]\n}",
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);
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Ok(())
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})
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}
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#[test]
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fn dump_variables() {
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with_avm(19, |activation, context, _root| -> Result<(), Error> {
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let object = ScriptObject::object(context.gc_context, None);
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let child = ScriptObject::object(context.gc_context, None);
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object.set("self", object.into(), activation, context)?;
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object.set("test", "value".into(), activation, context)?;
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object.set("child", child.into(), activation, context)?;
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child.set("parent", object.into(), activation, context)?;
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child.set("age", Value::Number(6.0), activation, context)?;
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let mut dumper = VariableDumper::new(" ");
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dumper.print_variables("Variables:", "object", &object.into(), activation, context);
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assert_eq!(
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dumper.output,
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"Variables:\nobject.child = [object #0] {\n age: 6\n parent: [object #1] {\n child: [object #0]\n test: \"value\"\n self: [object #1]\n }\n }\nobject.test = \"value\"\nobject.self = [object #1]\n\n"
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);
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Ok(())
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})
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}
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}
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