UglifyJS/test/feature_extraction/general.js

truncate_constants: {
	options = {
		features	: "ASTREL"
	};
	input: {
		function chunkData() { 
			var x = "very long string, very long string, very long string, very long string, very long string, very long string, very long string, very long string, very long string, very long string, very long string, very long string";
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": ":VarDef:"}
			],
			"assign":[
			{"v": 0,	"inf": "x"},
			{"v": 1,	"giv": "very%20long%20string%2C%20very%20long%20string%2C%20very%20long%20string%2C%20very%20long%20"}
			]
		}'
	}
}

escape_constants: {
	options = {
		features	: "ASTREL"
	};
	input: {
		function chunkData() { 
			var x = '"quoted text"';
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": ":VarDef:"}
			],
			"assign":[
			{"v": 0,	"inf": "x"},
			{"v": 1,	"giv": "%22quoted%20text%22"}
			]
		}'
	}
}


var_scope: {
	options = {
		features	: "ASTREL"
	};
	input: {
		function chunkData() { 
			var a = 1;
			var b = 2;
			var x = a + b;
			x = a + b;
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": ":VarDef:"},
			{"a": 2,	"b": 3,	"f2": ":VarDef:"},
			{"a": 4,	"b": 0,	"f2": ":VarDef:Binary+[0]"},
			{"a": 4,	"b": 2,	"f2": ":VarDef:Binary+[1]"},
			{"a": 0,	"b": 2,	"f2": ":Binary+:"},
			{"a": 4,	"b": 0,	"f2": ":Assign=:Binary+[0]"},
			{"a": 4,	"b": 2,	"f2": ":Assign=:Binary+[1]"}
			],
			"assign":[
			{"v": 0,	"inf": "a"},
			{"v": 1,	"giv": "1"},
			{"v": 2,	"inf": "b"},
			{"v": 3,	"giv": "2"},
			{"v": 4,	"inf": "x"}
			]
		}'
	}
}

this_scope: {
	options = {
		features	: "ASTREL"
	};
	input: {
		function chunkData(a) {
			this.x = a;  
		}

		function chunkData2(a) {
			this.x = a;  
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": ":Assign=:"},			
			{"a": 2,	"b": 1,	"f2": "Dot[0]:Assign=:"},
			{"a": 0,	"b": 3,	"f2": ":Assign=:"},			
			{"a": 2,	"b": 3,	"f2": "Dot[0]:Assign=:"}
			],
			"assign":[
			{"v": 0,	"giv": "x"},
			{"v": 1,	"inf": "a"},
			{"v": 2,	"giv": "this"},
			{"v": 3,	"inf": "a"}			
			]
		}'
	}
}

this_is_given: {
	options = {
		features	: "ASTREL"
	};
	input: {
		function chunkData(a) {
			this.x = a;  
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": ":Assign=:"},			
			{"a": 2,	"b": 1,	"f2": "Dot[0]:Assign=:"}
			],
			"assign":[
			{"v": 0,	"giv": "x"},
			{"v": 1,	"inf": "a"},
			{"v": 2,	"giv": "this"}
			]
		}'
	}
}


this_attr_scope: {
	options = {
		features	: "ASTREL"
	};
	input: {
		function chunkData(a,b) {
			this.x = a;
			this.x = b;
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": ":Assign=:"},			
			{"a": 2,	"b": 1,	"f2": "Dot[0]:Assign=:"},
			{"a": 0,	"b": 3,	"f2": ":Assign=:"},
			{"a": 2,	"b": 3,	"f2": "Dot[0]:Assign=:"}
			],
			"assign":[
			{"v": 0,	"giv": "x"},
			{"v": 1,	"inf": "a"},
			{"v": 2,	"giv": "this"},
			{"v": 3,	"inf": "b"}
			]
		}'
	}
}

bool_const_type: {
	options = {
		features	: "FNAMES"
	};
	input: {
		function chunkData() { 
			var x = true;
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": "FNDECL"}			
			],
			"assign":[
			{"v": 0,	"giv": "chunkData"},
			{"v": 1,	"inf": "x"}			
			]
		}'
	}
}

handles_toString_call: {
	options = {
		features	: "FNAMES"
	};
	input: {
		function chunkData() { 
			var x = true;
			x.toString();
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": "FNDECL"}
			],
			"assign":[
			{"v": 0,	"giv": "chunkData"},
			{"v": 1,	"inf": "x"}			
			]
		}'
	}
}

escape_backslash: {
	options = {
		features	: "FNAMES"
	};
	input: {
		function chunkData(x) { 
			x.replace(/\s/g, "a");
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": "FNPAR"}			
			],
			"assign":[
			{"v": 0,	"giv": "chunkData"},
			{"v": 1,	"inf": "x"}			
			]
		}'
	}
}

func_no_duplicates: {
	options = {
		features	: "ASTREL"
	};
	input: {
		function chunkData() { 
			var a = new chunkData();
			a = new chunkData();			
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": ":VarDef:New[0]"},
			{"a": 0,	"b": 1,	"f2": ":Assign=:New[0]"}
			],
			"assign":[
			{"v": 0,	"inf": "a"},
			{"v": 1,	"giv": "chunkData"}
			]
		}'
	}
}

func_allow_different_features_duplicates: {
	options = {
		features	: "ASTREL"
	};
	input: {
		function chunkData(x) { 
			x.foo(42, 42, 42, 42);
			return 42;
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": ":Dot:"},
			{"a": 0,	"b": 2,	"f2": "Dot[0]:Call:"}
			],
			"assign":[
			{"v": 0,	"inf": "x"},
			{"v": 1,	"giv": "foo"},
			{"v": 2,	"giv": "42"}
			]
		}'
	}
}

method_name_fixed: {	
	input: {
		function chunkData(x) { 
			x.foo();
			bar();
		}
	}
	expect: {
		'{
			"query":[
			{"a": 0,	"b": 1,	"f2": ":Dot:"},
			{"a": 2,	"b": 0,	"f2": "FNPAR"}
			],
			"assign":[
			{"v": 0,	"inf": "x"},
			{"v": 1,	"giv": "foo"},
			{"v": 2,	"giv": "chunkData"}
			]
		}'
	}
}