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Unified Diff: test/cctest/test-parsing.cc

Issue 2661933003: [ESnext] Parse dynamic import expression (Closed)
Patch Set: review fixes Created 3 years, 11 months ago
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Index: test/cctest/test-parsing.cc
diff --git a/test/cctest/test-parsing.cc b/test/cctest/test-parsing.cc
index 37b40e37ae3bb204d045b4531ff948c901cee7ad..b5d109248542c0562ef02c17c91e197cd2782423 100644
--- a/test/cctest/test-parsing.cc
+++ b/test/cctest/test-parsing.cc
@@ -1285,6 +1285,7 @@ enum ParserFlag {
kAllowHarmonyTrailingCommas,
kAllowHarmonyClassFields,
kAllowHarmonyObjectRestSpread,
+ kAllowHarmonyDynamicImport,
};
enum ParserSyncTestResult {
@@ -1302,6 +1303,7 @@ void SetGlobalFlags(i::EnumSet<ParserFlag> flags) {
i::FLAG_harmony_class_fields = flags.Contains(kAllowHarmonyClassFields);
i::FLAG_harmony_object_rest_spread =
flags.Contains(kAllowHarmonyObjectRestSpread);
+ i::FLAG_harmony_dynamic_import = flags.Contains(kAllowHarmonyDynamicImport);
}
void SetParserFlags(i::PreParser* parser, i::EnumSet<ParserFlag> flags) {
@@ -1316,13 +1318,15 @@ void SetParserFlags(i::PreParser* parser, i::EnumSet<ParserFlag> flags) {
flags.Contains(kAllowHarmonyClassFields));
parser->set_allow_harmony_object_rest_spread(
flags.Contains(kAllowHarmonyObjectRestSpread));
+ parser->set_allow_harmony_dynamic_import(
+ flags.Contains(kAllowHarmonyDynamicImport));
}
void TestParserSyncWithFlags(i::Handle<i::String> source,
i::EnumSet<ParserFlag> flags,
ParserSyncTestResult result,
- bool is_module = false,
- bool test_preparser = true) {
+ bool is_module = false, bool test_preparser = true,
+ bool ignore_error_msg = false) {
i::Isolate* isolate = CcTest::i_isolate();
i::Factory* factory = isolate->factory();
@@ -1399,7 +1403,7 @@ void TestParserSyncWithFlags(i::Handle<i::String> source,
CHECK(false);
}
// Check that preparser and parser produce the same error.
- if (test_preparser) {
+ if (test_preparser && !ignore_error_msg) {
i::Handle<i::String> preparser_message =
pending_error_handler.FormatMessage(CcTest::i_isolate());
if (!i::String::Equals(message_string, preparser_message)) {
@@ -1446,7 +1450,6 @@ void TestParserSyncWithFlags(i::Handle<i::String> source,
}
}
-
void TestParserSync(const char* source, const ParserFlag* varying_flags,
size_t varying_flags_length,
ParserSyncTestResult result = kSuccessOrError,
@@ -1454,7 +1457,8 @@ void TestParserSync(const char* source, const ParserFlag* varying_flags,
size_t always_true_flags_length = 0,
const ParserFlag* always_false_flags = NULL,
size_t always_false_flags_length = 0,
- bool is_module = false, bool test_preparser = true) {
+ bool is_module = false, bool test_preparser = true,
+ bool ignore_error_msg = false) {
i::Handle<i::String> str =
CcTest::i_isolate()->factory()->NewStringFromAsciiChecked(source);
for (int bits = 0; bits < (1 << varying_flags_length); bits++) {
@@ -1471,7 +1475,8 @@ void TestParserSync(const char* source, const ParserFlag* varying_flags,
++flag_index) {
flags.Remove(always_false_flags[flag_index]);
}
- TestParserSyncWithFlags(str, flags, result, is_module, test_preparser);
+ TestParserSyncWithFlags(str, flags, result, is_module, test_preparser,
+ ignore_error_msg);
}
}
@@ -1611,16 +1616,13 @@ TEST(StrictOctal) {
*exception));
}
-
-void RunParserSyncTest(const char* context_data[][2],
- const char* statement_data[],
- ParserSyncTestResult result,
- const ParserFlag* flags = NULL, int flags_len = 0,
- const ParserFlag* always_true_flags = NULL,
- int always_true_len = 0,
- const ParserFlag* always_false_flags = NULL,
- int always_false_len = 0, bool is_module = false,
- bool test_preparser = true) {
+void RunParserSyncTest(
+ const char* context_data[][2], const char* statement_data[],
+ ParserSyncTestResult result, const ParserFlag* flags = NULL,
+ int flags_len = 0, const ParserFlag* always_true_flags = NULL,
+ int always_true_len = 0, const ParserFlag* always_false_flags = NULL,
+ int always_false_len = 0, bool is_module = false,
+ bool test_preparser = true, bool ignore_error_msg = false) {
v8::HandleScope handles(CcTest::isolate());
v8::Local<v8::Context> context = v8::Context::New(CcTest::isolate());
v8::Context::Scope context_scope(context);
@@ -1675,25 +1677,23 @@ void RunParserSyncTest(const char* context_data[][2],
CHECK(length == kProgramSize);
TestParserSync(program.start(), flags, flags_len, result,
always_true_flags, always_true_len, always_false_flags,
- always_false_len, is_module, test_preparser);
+ always_false_len, is_module, test_preparser,
+ ignore_error_msg);
}
}
delete[] generated_flags;
}
-
-void RunModuleParserSyncTest(const char* context_data[][2],
- const char* statement_data[],
- ParserSyncTestResult result,
- const ParserFlag* flags = NULL, int flags_len = 0,
- const ParserFlag* always_true_flags = NULL,
- int always_true_len = 0,
- const ParserFlag* always_false_flags = NULL,
- int always_false_len = 0,
- bool test_preparser = true) {
+void RunModuleParserSyncTest(
+ const char* context_data[][2], const char* statement_data[],
+ ParserSyncTestResult result, const ParserFlag* flags = NULL,
+ int flags_len = 0, const ParserFlag* always_true_flags = NULL,
+ int always_true_len = 0, const ParserFlag* always_false_flags = NULL,
+ int always_false_len = 0, bool test_preparser = true,
+ bool ignore_error_msg = false) {
RunParserSyncTest(context_data, statement_data, result, flags, flags_len,
always_true_flags, always_true_len, always_false_flags,
- always_false_len, true, test_preparser);
+ always_false_len, true, test_preparser, ignore_error_msg);
}
@@ -4142,6 +4142,120 @@ TEST(SuperErrors) {
RunParserSyncTest(context_data, expression_data, kError);
}
+TEST(ImportExpressionSuccess) {
+ // clang-format off
+ const char* context_data[][2] = {
+ {"", ""},
+ {NULL, NULL}
+ };
+
+ const char* data[] = {
+ "new import(x)",
+ "import(1)",
+ "import(y=x)",
+ "f(...[import(y=x)])",
+ "x = {[import(y=x)]: 1}",
+ "var {[import(y=x)]: x} = {}",
+ "({[import(y=x)]: x} = {})",
+ "async () => { await import(x) }",
+ "() => { import(x) }",
+ "(import(y=x))",
+ "{import(y=x)}",
+ "import(import(x))",
+ "x = import(x)",
+ "var x = import(x)",
+ "let x = import(x)",
+ "for(x of import(x)) {}",
+ "import(x).then()",
+ NULL
+ };
+
+ // clang-format on
+ RunParserSyncTest(context_data, data, kError);
+ RunModuleParserSyncTest(context_data, data, kError, NULL, 0, NULL, 0, NULL, 0,
+ true, true);
+ static const ParserFlag flags[] = {kAllowHarmonyDynamicImport};
+ RunParserSyncTest(context_data, data, kSuccess, NULL, 0, flags,
+ arraysize(flags));
+ RunModuleParserSyncTest(context_data, data, kSuccess, NULL, 0, flags,
+ arraysize(flags), NULL, 0, true, true);
neis 2017/01/31 10:47:57 Please add a comment here on why we ignore the err
gsathya 2017/01/31 18:26:08 Done.
+}
+
+TEST(ImportExpressionErrors) {
+ {
+ // clang-format off
+ const char* context_data[][2] = {
+ {"", ""},
+ {"var ", ""},
+ {"let ", ""},
+ {"new ", ""},
+ {NULL, NULL}
+ };
+
+ const char* data[] = {
+ "import(",
+ "import)",
+ "import()",
+ "import('x",
+ "import('x']",
+ "import['x')",
+ "import = x",
+ "import[",
+ "import[]",
+ "import]",
+ "import[x]",
+ "import{",
+ "import{x",
+ "import{x}",
+ "import(x, y)",
+ "import(...y)",
+ "import(x,)",
+ "import(,)",
+ "import(,y)",
+ "import(;)",
+ "[import]",
+ "{import}",
+ "import+",
+ "import = 1",
+ "import.wat",
+ NULL
+ };
+
+ // clang-format on
+ RunParserSyncTest(context_data, data, kError);
+ RunModuleParserSyncTest(context_data, data, kError, NULL, 0, NULL, 0, NULL,
+ 0, true, true);
+ static const ParserFlag flags[] = {kAllowHarmonyDynamicImport};
+ RunParserSyncTest(context_data, data, kError, NULL, 0, flags,
+ arraysize(flags));
+ RunModuleParserSyncTest(context_data, data, kError, NULL, 0, flags,
+ arraysize(flags), NULL, 0, true, true);
+ }
+
+ {
+ // clang-format off
+ const char* context_data[][2] = {
+ {"var ", ""},
+ {"let ", ""},
+ {NULL, NULL}
+ };
+
+ const char* data[] = {
+ "import('x')",
+ NULL
+ };
+
+ // clang-format on
+ RunParserSyncTest(context_data, data, kError);
+ RunModuleParserSyncTest(context_data, data, kError);
+
+ static const ParserFlag flags[] = {kAllowHarmonyDynamicImport};
+ RunParserSyncTest(context_data, data, kError, NULL, 0, flags,
+ arraysize(flags));
+ RunModuleParserSyncTest(context_data, data, kError, NULL, 0, flags,
+ arraysize(flags));
+ }
+}
TEST(SuperCall) {
const char* context_data[][2] = {{"", ""},
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