Implement and test `equals`.

The test is also far more in-depth than the `if_eq`/`if_ne` tests, which use the same set of vectors as the strict-equality tests from a while ago. Interestingly, this test passed on first run

core/src/avm2/activation.rs

@@ -489,6 +489,7 @@ impl<'a, 'gc, 'gc_context> Activation<'a, 'gc, 'gc_context> {
                 Op::IfEq { offset } => self.op_if_eq(context, offset, reader),
                 Op::IfNe { offset } => self.op_if_ne(context, offset, reader),
                 Op::StrictEquals => self.op_strict_equals(),
+                Op::Equals => self.op_equals(context),
                 Op::Not => self.op_not(),
                 Op::HasNext => self.op_has_next(),
                 Op::HasNext2 {
@@ -1488,6 +1489,20 @@ impl<'a, 'gc, 'gc_context> Activation<'a, 'gc, 'gc_context> {
         Ok(FrameControl::Continue)
     }
 
+    fn op_equals(
+        &mut self,
+        context: &mut UpdateContext<'_, 'gc, '_>,
+    ) -> Result<FrameControl<'gc>, Error> {
+        let value2 = self.avm2.pop();
+        let value1 = self.avm2.pop();
+
+        let result = value1.abstract_eq(&value2, self, context)?;
+
+        self.avm2.push(result);
+
+        Ok(FrameControl::Continue)
+    }
+
     fn op_not(&mut self) -> Result<FrameControl<'gc>, Error> {
         let value = self.context.avm2.pop().coerce_to_boolean();
 

core/tests/regression_tests.rs

@@ -283,6 +283,7 @@ swf_tests! {
     (as3_coerce_string, "avm2/coerce_string", 1),
     (as3_if_eq, "avm2/if_eq", 1),
     (as3_if_ne, "avm2/if_ne", 1),
+    (as3_equals, "avm2/equals", 1),
 }
 
 // TODO: These tests have some inaccuracies currently, so we use approx_eq to test that numeric values are close enough.

core/tests/swfs/avm2/equals/Test.as

@@ -0,0 +1,773 @@
+package {
+	public class Test {}
+}
+
+/// undefined, null, -5, -1, -0, 0, 1, 2, 5, "abc", "2", "true", "false", true, false, NaN
+
+trace("//undefined == undefined");
+trace(undefined == undefined);
+
+trace("//undefined == null");
+trace(undefined == null);
+
+trace("//undefined == (-5)");
+trace(undefined == (-5));
+
+trace("//undefined == (-1)");
+trace(undefined == (-1));
+
+trace("//undefined == (-0)");
+trace(undefined == (-0));
+
+trace("//undefined == 0");
+trace(undefined == 0);
+
+trace("//undefined == 1");
+trace(undefined == 1);
+
+trace("//undefined == 2");
+trace(undefined == 2);
+
+trace("//undefined == 5");
+trace(undefined == 5);
+
+trace("//undefined == \"abc\"");
+trace(undefined == "abc");
+
+trace("//undefined == \"2\"");
+trace(undefined == "2");
+
+trace("//undefined == \"true\"");
+trace(undefined == "true");
+
+trace("//undefined == \"false\"");
+trace(undefined == "false");
+
+trace("//undefined == true");
+trace(undefined == true);
+
+trace("//undefined == false");
+trace(undefined == false);
+
+trace("//undefined == NaN");
+trace(undefined == NaN);
+
+trace("//null == undefined");
+trace(null == undefined);
+
+trace("//null == null");
+trace(null == null);
+
+trace("//null == (-5)");
+trace(null == (-5));
+
+trace("//null == (-1)");
+trace(null == (-1));
+
+trace("//null == (-0)");
+trace(null == (-0));
+
+trace("//null == 0");
+trace(null == 0);
+
+trace("//null == 1");
+trace(null == 1);
+
+trace("//null == 2");
+trace(null == 2);
+
+trace("//null == 5");
+trace(null == 5);
+
+trace("//null == \"abc\"");
+trace(null == "abc");
+
+trace("//null == \"2\"");
+trace(null == "2");
+
+trace("//null == \"true\"");
+trace(null == "true");
+
+trace("//null == \"false\"");
+trace(null == "false");
+
+trace("//null == true");
+trace(null == true);
+
+trace("//null == false");
+trace(null == false);
+
+trace("//null == NaN");
+trace(null == NaN);
+
+trace("//(-5) == undefined");
+trace((-5) == undefined);
+
+trace("//(-5) == null");
+trace((-5) == null);
+
+trace("//(-5) == (-5)");
+trace((-5) == (-5));
+
+trace("//(-5) == (-1)");
+trace((-5) == (-1));
+
+trace("//(-5) == (-0)");
+trace((-5) == (-0));
+
+trace("//(-5) == 0");
+trace((-5) == 0);
+
+trace("//(-5) == 1");
+trace((-5) == 1);
+
+trace("//(-5) == 2");
+trace((-5) == 2);
+
+trace("//(-5) == 5");
+trace((-5) == 5);
+
+trace("//(-5) == \"abc\"");
+trace((-5) == "abc");
+
+trace("//(-5) == \"2\"");
+trace((-5) == "2");
+
+trace("//(-5) == \"true\"");
+trace((-5) == "true");
+
+trace("//(-5) == \"false\"");
+trace((-5) == "false");
+
+trace("//(-5) == true");
+trace((-5) == true);
+
+trace("//(-5) == false");
+trace((-5) == false);
+
+trace("//(-5) == NaN");
+trace((-5) == NaN);
+
+trace("//(-1) == undefined");
+trace((-1) == undefined);
+
+trace("//(-1) == null");
+trace((-1) == null);
+
+trace("//(-1) == (-5)");
+trace((-1) == (-5));
+
+trace("//(-1) == (-1)");
+trace((-1) == (-1));
+
+trace("//(-1) == (-0)");
+trace((-1) == (-0));
+
+trace("//(-1) == 0");
+trace((-1) == 0);
+
+trace("//(-1) == 1");
+trace((-1) == 1);
+
+trace("//(-1) == 2");
+trace((-1) == 2);
+
+trace("//(-1) == 5");
+trace((-1) == 5);
+
+trace("//(-1) == \"abc\"");
+trace((-1) == "abc");
+
+trace("//(-1) == \"2\"");
+trace((-1) == "2");
+
+trace("//(-1) == \"true\"");
+trace((-1) == "true");
+
+trace("//(-1) == \"false\"");
+trace((-1) == "false");
+
+trace("//(-1) == true");
+trace((-1) == true);
+
+trace("//(-1) == false");
+trace((-1) == false);
+
+trace("//(-1) == NaN");
+trace((-1) == NaN);
+
+trace("//(-0) == undefined");
+trace((-0) == undefined);
+
+trace("//(-0) == null");
+trace((-0) == null);
+
+trace("//(-0) == (-5)");
+trace((-0) == (-5));
+
+trace("//(-0) == (-1)");
+trace((-0) == (-1));
+
+trace("//(-0) == (-0)");
+trace((-0) == (-0));
+
+trace("//(-0) == 0");
+trace((-0) == 0);
+
+trace("//(-0) == 1");
+trace((-0) == 1);
+
+trace("//(-0) == 2");
+trace((-0) == 2);
+
+trace("//(-0) == 5");
+trace((-0) == 5);
+
+trace("//(-0) == \"abc\"");
+trace((-0) == "abc");
+
+trace("//(-0) == \"2\"");
+trace((-0) == "2");
+
+trace("//(-0) == \"true\"");
+trace((-0) == "true");
+
+trace("//(-0) == \"false\"");
+trace((-0) == "false");
+
+trace("//(-0) == true");
+trace((-0) == true);
+
+trace("//(-0) == false");
+trace((-0) == false);
+
+trace("//(-0) == NaN");
+trace((-0) == NaN);
+
+trace("//0 == undefined");
+trace(0 == undefined);
+
+trace("//0 == null");
+trace(0 == null);
+
+trace("//0 == (-5)");
+trace(0 == (-5));
+
+trace("//0 == (-1)");
+trace(0 == (-1));
+
+trace("//0 == (-0)");
+trace(0 == (-0));
+
+trace("//0 == 0");
+trace(0 == 0);
+
+trace("//0 == 1");
+trace(0 == 1);
+
+trace("//0 == 2");
+trace(0 == 2);
+
+trace("//0 == 5");
+trace(0 == 5);
+
+trace("//0 == \"abc\"");
+trace(0 == "abc");
+
+trace("//0 == \"2\"");
+trace(0 == "2");
+
+trace("//0 == \"true\"");
+trace(0 == "true");
+
+trace("//0 == \"false\"");
+trace(0 == "false");
+
+trace("//0 == true");
+trace(0 == true);
+
+trace("//0 == false");
+trace(0 == false);
+
+trace("//0 == NaN");
+trace(0 == NaN);
+
+trace("//1 == undefined");
+trace(1 == undefined);
+
+trace("//1 == null");
+trace(1 == null);
+
+trace("//1 == (-5)");
+trace(1 == (-5));
+
+trace("//1 == (-1)");
+trace(1 == (-1));
+
+trace("//1 == (-0)");
+trace(1 == (-0));
+
+trace("//1 == 0");
+trace(1 == 0);
+
+trace("//1 == 1");
+trace(1 == 1);
+
+trace("//1 == 2");
+trace(1 == 2);
+
+trace("//1 == 5");
+trace(1 == 5);
+
+trace("//1 == \"abc\"");
+trace(1 == "abc");
+
+trace("//1 == \"2\"");
+trace(1 == "2");
+
+trace("//1 == \"true\"");
+trace(1 == "true");
+
+trace("//1 == \"false\"");
+trace(1 == "false");
+
+trace("//1 == true");
+trace(1 == true);
+
+trace("//1 == false");
+trace(1 == false);
+
+trace("//1 == NaN");
+trace(1 == NaN);
+
+trace("//2 == undefined");
+trace(2 == undefined);
+
+trace("//2 == null");
+trace(2 == null);
+
+trace("//2 == (-5)");
+trace(2 == (-5));
+
+trace("//2 == (-1)");
+trace(2 == (-1));
+
+trace("//2 == (-0)");
+trace(2 == (-0));
+
+trace("//2 == 0");
+trace(2 == 0);
+
+trace("//2 == 1");
+trace(2 == 1);
+
+trace("//2 == 2");
+trace(2 == 2);
+
+trace("//2 == 5");
+trace(2 == 5);
+
+trace("//2 == \"abc\"");
+trace(2 == "abc");
+
+trace("//2 == \"2\"");
+trace(2 == "2");
+
+trace("//2 == \"true\"");
+trace(2 == "true");
+
+trace("//2 == \"false\"");
+trace(2 == "false");
+
+trace("//2 == true");
+trace(2 == true);
+
+trace("//2 == false");
+trace(2 == false);
+
+trace("//2 == NaN");
+trace(2 == NaN);
+
+trace("//5 == undefined");
+trace(5 == undefined);
+
+trace("//5 == null");
+trace(5 == null);
+
+trace("//5 == (-5)");
+trace(5 == (-5));
+
+trace("//5 == (-1)");
+trace(5 == (-1));
+
+trace("//5 == (-0)");
+trace(5 == (-0));
+
+trace("//5 == 0");
+trace(5 == 0);
+
+trace("//5 == 1");
+trace(5 == 1);
+
+trace("//5 == 2");
+trace(5 == 2);
+
+trace("//5 == 5");
+trace(5 == 5);
+
+trace("//5 == \"abc\"");
+trace(5 == "abc");
+
+trace("//5 == \"2\"");
+trace(5 == "2");
+
+trace("//5 == \"true\"");
+trace(5 == "true");
+
+trace("//5 == \"false\"");
+trace(5 == "false");
+
+trace("//5 == true");
+trace(5 == true);
+
+trace("//5 == false");
+trace(5 == false);
+
+trace("//5 == NaN");
+trace(5 == NaN);
+
+trace("//\"abc\" == undefined");
+trace("abc" == undefined);
+
+trace("//\"abc\" == null");
+trace("abc" == null);
+
+trace("//\"abc\" == (-5)");
+trace("abc" == (-5));
+
+trace("//\"abc\" == (-1)");
+trace("abc" == (-1));
+
+trace("//\"abc\" == (-0)");
+trace("abc" == (-0));
+
+trace("//\"abc\" == 0");
+trace("abc" == 0);
+
+trace("//\"abc\" == 1");
+trace("abc" == 1);
+
+trace("//\"abc\" == 2");
+trace("abc" == 2);
+
+trace("//\"abc\" == 5");
+trace("abc" == 5);
+
+trace("//\"abc\" == \"abc\"");
+trace("abc" == "abc");
+
+trace("//\"abc\" == \"2\"");
+trace("abc" == "2");
+
+trace("//\"abc\" == \"true\"");
+trace("abc" == "true");
+
+trace("//\"abc\" == \"false\"");
+trace("abc" == "false");
+
+trace("//\"abc\" == true");
+trace("abc" == true);
+
+trace("//\"abc\" == false");
+trace("abc" == false);
+
+trace("//\"abc\" == NaN");
+trace("abc" == NaN);
+
+trace("//\"2\" == undefined");
+trace("2" == undefined);
+
+trace("//\"2\" == null");
+trace("2" == null);
+
+trace("//\"2\" == (-5)");
+trace("2" == (-5));
+
+trace("//\"2\" == (-1)");
+trace("2" == (-1));
+
+trace("//\"2\" == (-0)");
+trace("2" == (-0));
+
+trace("//\"2\" == 0");
+trace("2" == 0);
+
+trace("//\"2\" == 1");
+trace("2" == 1);
+
+trace("//\"2\" == 2");
+trace("2" == 2);
+
+trace("//\"2\" == 5");
+trace("2" == 5);
+
+trace("//\"2\" == \"abc\"");
+trace("2" == "abc");
+
+trace("//\"2\" == \"2\"");
+trace("2" == "2");
+
+trace("//\"2\" == \"true\"");
+trace("2" == "true");
+
+trace("//\"2\" == \"false\"");
+trace("2" == "false");
+
+trace("//\"2\" == true");
+trace("2" == true);
+
+trace("//\"2\" == false");
+trace("2" == false);
+
+trace("//\"2\" == NaN");
+trace("2" == NaN);
+
+trace("//\"true\" == undefined");
+trace("true" == undefined);
+
+trace("//\"true\" == null");
+trace("true" == null);
+
+trace("//\"true\" == (-5)");
+trace("true" == (-5));
+
+trace("//\"true\" == (-1)");
+trace("true" == (-1));
+
+trace("//\"true\" == (-0)");
+trace("true" == (-0));
+
+trace("//\"true\" == 0");
+trace("true" == 0);
+
+trace("//\"true\" == 1");
+trace("true" == 1);
+
+trace("//\"true\" == 2");
+trace("true" == 2);
+
+trace("//\"true\" == 5");
+trace("true" == 5);
+
+trace("//\"true\" == \"abc\"");
+trace("true" == "abc");
+
+trace("//\"true\" == \"2\"");
+trace("true" == "2");
+
+trace("//\"true\" == \"true\"");
+trace("true" == "true");
+
+trace("//\"true\" == \"false\"");
+trace("true" == "false");
+
+trace("//\"true\" == true");
+trace("true" == true);
+
+trace("//\"true\" == false");
+trace("true" == false);
+
+trace("//\"true\" == NaN");
+trace("true" == NaN);
+
+trace("//\"false\" == undefined");
+trace("false" == undefined);
+
+trace("//\"false\" == null");
+trace("false" == null);
+
+trace("//\"false\" == (-5)");
+trace("false" == (-5));
+
+trace("//\"false\" == (-1)");
+trace("false" == (-1));
+
+trace("//\"false\" == (-0)");
+trace("false" == (-0));
+
+trace("//\"false\" == 0");
+trace("false" == 0);
+
+trace("//\"false\" == 1");
+trace("false" == 1);
+
+trace("//\"false\" == 2");
+trace("false" == 2);
+
+trace("//\"false\" == 5");
+trace("false" == 5);
+
+trace("//\"false\" == \"abc\"");
+trace("false" == "abc");
+
+trace("//\"false\" == \"2\"");
+trace("false" == "2");
+
+trace("//\"false\" == \"true\"");
+trace("false" == "true");
+
+trace("//\"false\" == \"false\"");
+trace("false" == "false");
+
+trace("//\"false\" == true");
+trace("false" == true);
+
+trace("//\"false\" == false");
+trace("false" == false);
+
+trace("//\"false\" == NaN");
+trace("false" == NaN);
+
+trace("//true == undefined");
+trace(true == undefined);
+
+trace("//true == null");
+trace(true == null);
+
+trace("//true == (-5)");
+trace(true == (-5));
+
+trace("//true == (-1)");
+trace(true == (-1));
+
+trace("//true == (-0)");
+trace(true == (-0));
+
+trace("//true == 0");
+trace(true == 0);
+
+trace("//true == 1");
+trace(true == 1);
+
+trace("//true == 2");
+trace(true == 2);
+
+trace("//true == 5");
+trace(true == 5);
+
+trace("//true == \"abc\"");
+trace(true == "abc");
+
+trace("//true == \"2\"");
+trace(true == "2");
+
+trace("//true == \"true\"");
+trace(true == "true");
+
+trace("//true == \"false\"");
+trace(true == "false");
+
+trace("//true == true");
+trace(true == true);
+
+trace("//true == false");
+trace(true == false);
+
+trace("//true == NaN");
+trace(true == NaN);
+
+trace("//false == undefined");
+trace(false == undefined);
+
+trace("//false == null");
+trace(false == null);
+
+trace("//false == (-5)");
+trace(false == (-5));
+
+trace("//false == (-1)");
+trace(false == (-1));
+
+trace("//false == (-0)");
+trace(false == (-0));
+
+trace("//false == 0");
+trace(false == 0);
+
+trace("//false == 1");
+trace(false == 1);
+
+trace("//false == 2");
+trace(false == 2);
+
+trace("//false == 5");
+trace(false == 5);
+
+trace("//false == \"abc\"");
+trace(false == "abc");
+
+trace("//false == \"2\"");
+trace(false == "2");
+
+trace("//false == \"true\"");
+trace(false == "true");
+
+trace("//false == \"false\"");
+trace(false == "false");
+
+trace("//false == true");
+trace(false == true);
+
+trace("//false == false");
+trace(false == false);
+
+trace("//false == NaN");
+trace(false == NaN);
+
+trace("//NaN == undefined");
+trace(NaN == undefined);
+
+trace("//NaN == null");
+trace(NaN == null);
+
+trace("//NaN == (-5)");
+trace(NaN == (-5));
+
+trace("//NaN == (-1)");
+trace(NaN == (-1));
+
+trace("//NaN == (-0)");
+trace(NaN == (-0));
+
+trace("//NaN == 0");
+trace(NaN == 0);
+
+trace("//NaN == 1");
+trace(NaN == 1);
+
+trace("//NaN == 2");
+trace(NaN == 2);
+
+trace("//NaN == 5");
+trace(NaN == 5);
+
+trace("//NaN == \"abc\"");
+trace(NaN == "abc");
+
+trace("//NaN == \"2\"");
+trace(NaN == "2");
+
+trace("//NaN == \"true\"");
+trace(NaN == "true");
+
+trace("//NaN == \"false\"");
+trace(NaN == "false");
+
+trace("//NaN == true");
+trace(NaN == true);
+
+trace("//NaN == false");
+trace(NaN == false);
+
+trace("//NaN == NaN");
+trace(NaN == NaN);

core/tests/swfs/avm2/equals/output.txt

@@ -0,0 +1,512 @@
+//undefined == undefined
+true
+//undefined == null
+true
+//undefined == (-5)
+false
+//undefined == (-1)
+false
+//undefined == (-0)
+false
+//undefined == 0
+false
+//undefined == 1
+false
+//undefined == 2
+false
+//undefined == 5
+false
+//undefined == "abc"
+false
+//undefined == "2"
+false
+//undefined == "true"
+false
+//undefined == "false"
+false
+//undefined == true
+false
+//undefined == false
+false
+//undefined == NaN
+false
+//null == undefined
+true
+//null == null
+true
+//null == (-5)
+false
+//null == (-1)
+false
+//null == (-0)
+false
+//null == 0
+false
+//null == 1
+false
+//null == 2
+false
+//null == 5
+false
+//null == "abc"
+false
+//null == "2"
+false
+//null == "true"
+false
+//null == "false"
+false
+//null == true
+false
+//null == false
+false
+//null == NaN
+false
+//(-5) == undefined
+false
+//(-5) == null
+false
+//(-5) == (-5)
+true
+//(-5) == (-1)
+false
+//(-5) == (-0)
+false
+//(-5) == 0
+false
+//(-5) == 1
+false
+//(-5) == 2
+false
+//(-5) == 5
+false
+//(-5) == "abc"
+false
+//(-5) == "2"
+false
+//(-5) == "true"
+false
+//(-5) == "false"
+false
+//(-5) == true
+false
+//(-5) == false
+false
+//(-5) == NaN
+false
+//(-1) == undefined
+false
+//(-1) == null
+false
+//(-1) == (-5)
+false
+//(-1) == (-1)
+true
+//(-1) == (-0)
+false
+//(-1) == 0
+false
+//(-1) == 1
+false
+//(-1) == 2
+false
+//(-1) == 5
+false
+//(-1) == "abc"
+false
+//(-1) == "2"
+false
+//(-1) == "true"
+false
+//(-1) == "false"
+false
+//(-1) == true
+false
+//(-1) == false
+false
+//(-1) == NaN
+false
+//(-0) == undefined
+false
+//(-0) == null
+false
+//(-0) == (-5)
+false
+//(-0) == (-1)
+false
+//(-0) == (-0)
+true
+//(-0) == 0
+true
+//(-0) == 1
+false
+//(-0) == 2
+false
+//(-0) == 5
+false
+//(-0) == "abc"
+false
+//(-0) == "2"
+false
+//(-0) == "true"
+false
+//(-0) == "false"
+false
+//(-0) == true
+false
+//(-0) == false
+true
+//(-0) == NaN
+false
+//0 == undefined
+false
+//0 == null
+false
+//0 == (-5)
+false
+//0 == (-1)
+false
+//0 == (-0)
+true
+//0 == 0
+true
+//0 == 1
+false
+//0 == 2
+false
+//0 == 5
+false
+//0 == "abc"
+false
+//0 == "2"
+false
+//0 == "true"
+false
+//0 == "false"
+false
+//0 == true
+false
+//0 == false
+true
+//0 == NaN
+false
+//1 == undefined
+false
+//1 == null
+false
+//1 == (-5)
+false
+//1 == (-1)
+false
+//1 == (-0)
+false
+//1 == 0
+false
+//1 == 1
+true
+//1 == 2
+false
+//1 == 5
+false
+//1 == "abc"
+false
+//1 == "2"
+false
+//1 == "true"
+false
+//1 == "false"
+false
+//1 == true
+true
+//1 == false
+false
+//1 == NaN
+false
+//2 == undefined
+false
+//2 == null
+false
+//2 == (-5)
+false
+//2 == (-1)
+false
+//2 == (-0)
+false
+//2 == 0
+false
+//2 == 1
+false
+//2 == 2
+true
+//2 == 5
+false
+//2 == "abc"
+false
+//2 == "2"
+true
+//2 == "true"
+false
+//2 == "false"
+false
+//2 == true
+false
+//2 == false
+false
+//2 == NaN
+false
+//5 == undefined
+false
+//5 == null
+false
+//5 == (-5)
+false
+//5 == (-1)
+false
+//5 == (-0)
+false
+//5 == 0
+false
+//5 == 1
+false
+//5 == 2
+false
+//5 == 5
+true
+//5 == "abc"
+false
+//5 == "2"
+false
+//5 == "true"
+false
+//5 == "false"
+false
+//5 == true
+false
+//5 == false
+false
+//5 == NaN
+false
+//"abc" == undefined
+false
+//"abc" == null
+false
+//"abc" == (-5)
+false
+//"abc" == (-1)
+false
+//"abc" == (-0)
+false
+//"abc" == 0
+false
+//"abc" == 1
+false
+//"abc" == 2
+false
+//"abc" == 5
+false
+//"abc" == "abc"
+true
+//"abc" == "2"
+false
+//"abc" == "true"
+false
+//"abc" == "false"
+false
+//"abc" == true
+false
+//"abc" == false
+false
+//"abc" == NaN
+false
+//"2" == undefined
+false
+//"2" == null
+false
+//"2" == (-5)
+false
+//"2" == (-1)
+false
+//"2" == (-0)
+false
+//"2" == 0
+false
+//"2" == 1
+false
+//"2" == 2
+true
+//"2" == 5
+false
+//"2" == "abc"
+false
+//"2" == "2"
+true
+//"2" == "true"
+false
+//"2" == "false"
+false
+//"2" == true
+false
+//"2" == false
+false
+//"2" == NaN
+false
+//"true" == undefined
+false
+//"true" == null
+false
+//"true" == (-5)
+false
+//"true" == (-1)
+false
+//"true" == (-0)
+false
+//"true" == 0
+false
+//"true" == 1
+false
+//"true" == 2
+false
+//"true" == 5
+false
+//"true" == "abc"
+false
+//"true" == "2"
+false
+//"true" == "true"
+true
+//"true" == "false"
+false
+//"true" == true
+false
+//"true" == false
+false
+//"true" == NaN
+false
+//"false" == undefined
+false
+//"false" == null
+false
+//"false" == (-5)
+false
+//"false" == (-1)
+false
+//"false" == (-0)
+false
+//"false" == 0
+false
+//"false" == 1
+false
+//"false" == 2
+false
+//"false" == 5
+false
+//"false" == "abc"
+false
+//"false" == "2"
+false
+//"false" == "true"
+false
+//"false" == "false"
+true
+//"false" == true
+false
+//"false" == false
+false
+//"false" == NaN
+false
+//true == undefined
+false
+//true == null
+false
+//true == (-5)
+false
+//true == (-1)
+false
+//true == (-0)
+false
+//true == 0
+false
+//true == 1
+true
+//true == 2
+false
+//true == 5
+false
+//true == "abc"
+false
+//true == "2"
+false
+//true == "true"
+false
+//true == "false"
+false
+//true == true
+true
+//true == false
+false
+//true == NaN
+false
+//false == undefined
+false
+//false == null
+false
+//false == (-5)
+false
+//false == (-1)
+false
+//false == (-0)
+true
+//false == 0
+true
+//false == 1
+false
+//false == 2
+false
+//false == 5
+false
+//false == "abc"
+false
+//false == "2"
+false
+//false == "true"
+false
+//false == "false"
+false
+//false == true
+false
+//false == false
+true
+//false == NaN
+false
+//NaN == undefined
+false
+//NaN == null
+false
+//NaN == (-5)
+false
+//NaN == (-1)
+false
+//NaN == (-0)
+false
+//NaN == 0
+false
+//NaN == 1
+false
+//NaN == 2
+false
+//NaN == 5
+false
+//NaN == "abc"
+false
+//NaN == "2"
+false
+//NaN == "true"
+false
+//NaN == "false"
+false
+//NaN == true
+false
+//NaN == false
+false
+//NaN == NaN
+false