| Index: tests/language/double_to_string_as_exponential_test.dart
 | 
| diff --git a/tests/language/double_to_string_as_exponential_test.dart b/tests/language/double_to_string_as_exponential_test.dart
 | 
| index 3d9b14005e9ba965ab7d62a0f89bf936ca3e0e6d..9827109ca3aad8cf7ea6896c1233f1354eee47b0 100644
 | 
| --- a/tests/language/double_to_string_as_exponential_test.dart
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| +++ b/tests/language/double_to_string_as_exponential_test.dart
 | 
| @@ -4,6 +4,9 @@
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|  // Test basic integer operations.
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|  
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|  main() {
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| +  Expect.equals("1e+0", (1.0).toStringAsExponential());
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| +  Expect.equals("1.1e+1", (11.0).toStringAsExponential());
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| +  Expect.equals("1.12e+2", (112.0).toStringAsExponential());
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|    Expect.equals("1e+0", (1.0).toStringAsExponential(null));
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|    Expect.equals("1.1e+1", (11.0).toStringAsExponential(null));
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|    Expect.equals("1.12e+2", (112.0).toStringAsExponential(null));
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| @@ -19,6 +22,9 @@ main() {
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|    Expect.equals("1.000e+0", (1.0).toStringAsExponential(3));
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|    Expect.equals("1.100e+1", (11.0).toStringAsExponential(3));
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|    Expect.equals("1.120e+2", (112.0).toStringAsExponential(3));
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| +  Expect.equals("1e-1", (0.1).toStringAsExponential());
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| +  Expect.equals("1.1e-1", (0.11).toStringAsExponential());
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| +  Expect.equals("1.12e-1", (0.112).toStringAsExponential());
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|    Expect.equals("1e-1", (0.1).toStringAsExponential(null));
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|    Expect.equals("1.1e-1", (0.11).toStringAsExponential(null));
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|    Expect.equals("1.12e-1", (0.112).toStringAsExponential(null));
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| @@ -35,6 +41,10 @@ main() {
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|    Expect.equals("1.100e-1", (0.11).toStringAsExponential(3));
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|    Expect.equals("1.120e-1", (0.112).toStringAsExponential(3));
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|  
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| +  Expect.equals("-0e+0", (-0.0).toStringAsExponential());
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| +  Expect.equals("-1e+0", (-1.0).toStringAsExponential());
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| +  Expect.equals("-1.1e+1", (-11.0).toStringAsExponential());
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| +  Expect.equals("-1.12e+2", (-112.0).toStringAsExponential());
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|    Expect.equals("-0e+0", (-0.0).toStringAsExponential(null));
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|    Expect.equals("-1e+0", (-1.0).toStringAsExponential(null));
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|    Expect.equals("-1.1e+1", (-11.0).toStringAsExponential(null));
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| @@ -51,6 +61,9 @@ main() {
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|    Expect.equals("-1.000e+0", (-1.0).toStringAsExponential(3));
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|    Expect.equals("-1.100e+1", (-11.0).toStringAsExponential(3));
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|    Expect.equals("-1.120e+2", (-112.0).toStringAsExponential(3));
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| +  Expect.equals("-1e-1", (-0.1).toStringAsExponential());
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| +  Expect.equals("-1.1e-1", (-0.11).toStringAsExponential());
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| +  Expect.equals("-1.12e-1", (-0.112).toStringAsExponential());
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|    Expect.equals("-1e-1", (-0.1).toStringAsExponential(null));
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|    Expect.equals("-1.1e-1", (-0.11).toStringAsExponential(null));
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|    Expect.equals("-1.12e-1", (-0.112).toStringAsExponential(null));
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| @@ -71,12 +84,15 @@ main() {
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|    Expect.equals("Infinity", (double.INFINITY).toStringAsExponential(2));
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|    Expect.equals("-Infinity", (-double.INFINITY).toStringAsExponential(2));
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|    Expect.equals("1e+0", (1.0).toStringAsExponential(0));
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| +  Expect.equals("0e+0", (0.0).toStringAsExponential());
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|    Expect.equals("0e+0", (0.0).toStringAsExponential(null));
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|    Expect.equals("0.00e+0", (0.0).toStringAsExponential(2));
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|    Expect.equals("1e+1", (11.2356).toStringAsExponential(0));
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|    Expect.equals("1.1236e+1", (11.2356).toStringAsExponential(4));
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|    Expect.equals("1.1236e-4", (0.000112356).toStringAsExponential(4));
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|    Expect.equals("-1.1236e-4", (-0.000112356).toStringAsExponential(4));
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| +  Expect.equals("1.12356e-4", (0.000112356).toStringAsExponential());
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| +  Expect.equals("-1.12356e-4", (-0.000112356).toStringAsExponential());
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|    Expect.equals("1.12356e-4", (0.000112356).toStringAsExponential(null));
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|    Expect.equals("-1.12356e-4", (-0.000112356).toStringAsExponential(null));
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|  }
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| 
 |