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Merge pull request web-platform-tests#194 from DigiTec/master
Add some basic examples of generate_tests.
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| <!DOCTYPE HTML> | ||
| <html> | ||
| <head> | ||
| <title>Sample for using generate_tests to create a series of tests that share the same callback.</title> | ||
| <script src="../testharness.js"></script> | ||
| <script src="../testharnessreport.js"></script> | ||
| </head> | ||
| <body> | ||
| <script> | ||
| // generate_tests takes an array of arrays that define tests | ||
| // but lets pass it an empty array and verify it does nothing. | ||
| function null_callback() { | ||
| throw "null_callback should not be called."; | ||
| } | ||
| generate_tests(null_callback, []); | ||
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| // Generate 3 tests specifying the name and one parameter | ||
| function validate_arguments(arg1) { | ||
| assert_equals(arg1, 1, "Ensure that we get our expected argument"); | ||
| } | ||
| generate_tests(validate_arguments, [ | ||
| ["first test", 1], | ||
| ["second test", 1], | ||
| ["third test", 1], | ||
| ]); | ||
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| // Generate a test passing in a properties object that is shared across tests. | ||
| function validate_properties() { | ||
| assert_true(this.properties.sentinel, "Ensure that we got the right properties object."); | ||
| } | ||
| generate_tests(validate_properties, [["sentinel check 1"], ["sentinel check 2"]], {sentinel: true}); | ||
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| // Generate a test passing in a properties object that is shared across tests. | ||
| function validate_separate_properties() { | ||
| if (this.name === "sentinel check 1 unique properties") { | ||
| assert_true(this.properties.sentinel, "Ensure that we got the right properties object. Expect sentinel: true."); | ||
| } | ||
| else { | ||
| assert_false(this.properties.sentinel, "Ensure that we got the right properties object. Expect sentinel: false."); | ||
| } | ||
| } | ||
| generate_tests(validate_separate_properties, [["sentinel check 1 unique properties"], ["sentinel check 2 unique properties"]], [{sentinel: true}, {sentinel: false}]); | ||
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| // Finally generate a complicated set of tests from another data source | ||
| var letters = ["a", "b", "c", "d", "e", "f"]; | ||
| var numbers = [0, 1, 2, 3, 4, 5]; | ||
| function validate_related_arguments(arg1, arg2) { | ||
| assert_equals(arg1.charCodeAt(0) - "a".charCodeAt(0), arg2, "Ensure that we can map letters to numbers."); | ||
| } | ||
| function format_as_test(letter, index, letters) { | ||
| return ["Test to map " + letter + " to " + numbers[index], letter, numbers[index]]; | ||
| } | ||
| generate_tests(validate_related_arguments, letters.map(format_as_test)); | ||
| </script> | ||
| </body> | ||
| </html> | ||
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