mirror of
https://github.com/rubyjs/therubyrhino
synced 2023-03-27 23:21:34 -04:00
119 lines
No EOL
3.3 KiB
Ruby
119 lines
No EOL
3.3 KiB
Ruby
require File.expand_path('../spec_helper', File.dirname(__FILE__))
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describe Rhino::JSError do
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it "works as a StandardError with a message being passed" do
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js_error = Rhino::JSError.new 'an error message'
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lambda { js_error.to_s && js_error.inspect }.should_not raise_error
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js_error.cause.should be nil
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js_error.message.should == 'an error message'
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js_error.javascript_backtrace.should be nil
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end
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it "might wrap a RhinoException wrapped in a NativeException like error" do
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# JRuby's NativeException.new(rhino_e) does not work as it is
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# intended to handle Java exceptions ... no new on the Ruby side
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native_error_class = Class.new(RuntimeError) do
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def initialize(cause)
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@cause = cause
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end
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def cause
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@cause
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end
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end
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rhino_e = Rhino::JS::JavaScriptException.new("42".to_java)
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js_error = Rhino::JSError.new native_error_class.new(rhino_e)
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lambda { js_error.to_s && js_error.inspect }.should_not raise_error
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js_error.cause.should be rhino_e
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js_error.message.should == '42'
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js_error.javascript_backtrace.should_not be nil
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end
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it "keeps the thrown javascript object value" do
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begin
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Rhino::Context.eval "throw { foo: 'bar' }"
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rescue => e
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e.should be_a(Rhino::JSError)
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e.value.should be_a(Rhino::JS::NativeObject)
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e.value['foo'].should == 'bar'
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e.value.should == e.message
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else
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fail "expected to rescue"
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end
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end
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it "keeps the thrown javascript string value" do
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begin
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Rhino::Context.eval "throw 'mehehehe'"
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rescue => e
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e.should be_a(Rhino::JSError)
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e.value.should == 'mehehehe'
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e.value.should == e.message
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else
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fail "expected to rescue"
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end
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end
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it "contains the native error as the cause" do
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begin
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Rhino::Context.eval "throw 42"
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rescue => e
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e.cause.should_not be nil
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e.cause.should be_a Java::OrgMozillaJavascript::JavaScriptException
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e.cause.getValue.should == 42
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e.cause.lineNumber.should == 1
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e.cause.sourceName.should == '<eval>'
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else
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fail "expected to rescue"
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end
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end
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it "has a correct javascript backtrace" do
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begin
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Rhino::Context.eval "throw 42"
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rescue => e
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e.javascript_backtrace.should be_a Enumerable
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e.javascript_backtrace.size.should == 1
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e.javascript_backtrace[0].should == "at <eval>:1"
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e.javascript_backtrace(true).should be_a Enumerable
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e.javascript_backtrace(true).size.should == 1
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element = e.javascript_backtrace(true)[0]
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element.file_name.should == '<eval>'
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element.function_name.should be nil
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element.line_number.should == 1
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else
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fail "expected to rescue"
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end
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end
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it "backtrace starts with the javascript part" do
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begin
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Rhino::Context.eval "throw 42"
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rescue => e
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e.backtrace.should be_a Array
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e.backtrace[0].should == "at <eval>:1"
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e.backtrace[1].should_not be nil
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else
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fail "expected to rescue"
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end
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end
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it "inspect shows the javascript value" do
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begin
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Rhino::Context.eval "throw '42'"
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rescue => e
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e.inspect.should == '#<Rhino::JSError: 42>'
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e.to_s.should == '42'
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else
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fail "expected to rescue"
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end
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end
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end |