CSE2410 Fall 2014 Bounce

// Copyright 2008 the V8 project authors. All rights reserved.

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// modification, are permitted provided that the following conditions are

// met:

//

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//       with the distribution.

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//

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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Flags: --expose-debug-as debug --expose-gc

// Get the Debug object exposed from the debug context global object.

Debug = debug.Debug

Date();

RegExp();

// Count script types.

var named_native_count = 0;

var extension_count = 0;

var normal_count = 0;

var scripts = Debug.scripts();

for (i = 0; i < scripts.length; i++) {

  if (scripts[i].type == Debug.ScriptType.Native) {

    if (scripts[i].name) {

      named_native_count++;

    }

  } else if (scripts[i].type == Debug.ScriptType.Extension) {

    extension_count++;

  } else if (scripts[i].type == Debug.ScriptType.Normal) {

    normal_count++;

  } else {

    assertUnreachable('Unexpected type ' + scripts[i].type);

  }

}

// This has to be updated if the number of native scripts change.

assertEquals(12, named_native_count);

// If no snapshot is used, only the 'gc' extension is loaded.

// If snapshot is used, all extensions are cached in the snapshot.

assertTrue(extension_count == 1 || extension_count == 5);

// This script and mjsunit.js has been loaded.  If using d8, d8 loads

// a normal script during startup too.

assertTrue(normal_count == 2 || normal_count == 3);

// Test a builtins script.

var math_script = Debug.findScript('native math.js');

assertEquals('native math.js', math_script.name);

assertEquals(Debug.ScriptType.Native, math_script.type);

// Test a builtins delay loaded script.

var date_delay_script = Debug.findScript('native date.js');

assertEquals('native date.js', date_delay_script.name);

assertEquals(Debug.ScriptType.Native, date_delay_script.type);

// Test a debugger script.

var debug_delay_script = Debug.findScript('native debug.js');

assertEquals('native debug.js', debug_delay_script.name);

assertEquals(Debug.ScriptType.Native, debug_delay_script.type);

// Test an extension script.

var extension_gc_script = Debug.findScript('v8/gc');

if (extension_gc_script) {

  assertEquals('v8/gc', extension_gc_script.name);

  assertEquals(Debug.ScriptType.Extension, extension_gc_script.type);

}

// Test a normal script.

var mjsunit_js_script = Debug.findScript(/mjsunit.js/);

assertTrue(/mjsunit.js/.test(mjsunit_js_script.name));

assertEquals(Debug.ScriptType.Normal, mjsunit_js_script.type);

// Check a nonexistent script.

var dummy_script = Debug.findScript('dummy.js');

assertTrue(typeof dummy_script == 'undefined');