frog/tests/leg_only/string_interpolation_test.dart - Issue 10536169: Move frog/tests/{leg,leg_only,frog_native} to tests/compiler/.

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Issue 10536169: Move frog/tests/{leg,leg_only,frog_native} to tests/compiler/. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: Created 8 years, 6 months ago

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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file

2 // for details. All rights reserved. Use of this source code is governed by a

3 // BSD-style license that can be found in the LICENSE file.

4

5 // Test that String interpolation works in the code generated by the leg

6 // compiler.

7

8

9 int ifun() => 37;

10 double dfun() => 2.71828;

11 bool bfun() => true;

12 String sfun() => "sfun";

13 void nfun() => null;

14

15

16 void testEscapes() {

17 // Test that escaping the '$' prevents string interpolation.

18 String x = "NOT HERE";

19 Expect.equals(@'a${x}', 'a\${x}');

20 Expect.equals(@'a$x', 'a\$x');

21 Expect.equals(@'a${x}', '''a\${x}''');

22 Expect.equals(@'a$x', '''a\$x''');

23 Expect.equals(@'a${x}', "a\${x}");

24 Expect.equals(@'a$x', "a\$x");

25 Expect.equals(@'a${x}', """a\${x}""");

26 Expect.equals(@'a$x', """a\$x""");

27 }

28

29

30 void testMultiLine() {

31 var a = "string";

32 var b = 42;

33 var c = 3.1415;

34 var d = false;

35 var n = null;

36

37 Expect.equals("string423.1415falsenull!", """$a$b$c$d$n!""");

38 Expect.equals("string423.1415falsenull!", '''$a$b$c$d$n!''');

39 Expect.equals("string423.1415falsenull!", """${a}${b}${c}${d}${n}!""");

40 Expect.equals("string423.1415falsenull!", '''${a}${b}${c}${d}${n}!''');

41

42 // Quotes as literals are included correctly..

43 Expect.equals("'42''42'", """'$b''$b'""");

44 Expect.equals('"42""42"', '''"$b""$b"''');

45

46 Expect.equals('"42""42" ', """"$b""$b" """);

47 Expect.equals("'42''42' ", ''''$b''$b' ''');

48

49 Expect.equals('""42""42" ', """""$b""$b" """);

50 Expect.equals("''42''42' ", '''''$b''$b' ''');

51

52 // Newlines at beginning of multiline strings are not included, but only

53 // if they are in the source.

54 Expect.equals("\n", """${''}

55 """);

56 Expect.equals("\r", """${''}

57 """);

58 Expect.equals("\r\n", """${''}

59 """);

60 Expect.equals("\n", """${'\n'}""");

61 Expect.equals("\r", """${'\r'}""");

62 Expect.equals("\r\n", """${'\r\n'}""");

63 }

64

65

66 void testSimple() {

67 var a = "string";

68 var b = 42;

69 var c = 3.1415;

70 var d = false;

71 var n = null;

72

73 // Both kinds of quotes and both kinds of $-escapes.

74 Expect.equals("string423.1415falsenull!", "$a$b$c$d$n!");

75 Expect.equals("string423.1415falsenull!", '$a$b$c$d$n!');

76 Expect.equals("string423.1415falsenull!", "${a}${b}${c}${d}${n}!");

77 Expect.equals("string423.1415falsenull!", '${a}${b}${c}${d}${n}!');

78

79 // Different types for first expression.

80 Expect.equals("!string423.1415falsenull", "!$a$b$c$d$n");

81 Expect.equals("null!string423.1415false", "$n!$a$b$c$d");

82 Expect.equals("falsenull!string423.1415", "$d$n!$a$b$c");

83 Expect.equals("3.1415falsenull!string42", "$c$d$n!$a$b");

84 Expect.equals("423.1415falsenull!string", "$b$c$d$n!$a");

85

86 // Function calls as expressions.

87 Expect.equals("sfun372.71828truenull",

88 "${sfun()}${ifun()}${dfun()}${bfun()}${nfun()}");

89 Expect.equals("nullsfun372.71828true",

90 "${nfun()}${sfun()}${ifun()}${dfun()}${bfun()}");

91 Expect.equals("truenullsfun372.71828",

92 "${bfun()}${nfun()}${sfun()}${ifun()}${dfun()}");

93 Expect.equals("2.71828truenullsfun37",

94 "${dfun()}${bfun()}${nfun()}${sfun()}${ifun()}");

95 Expect.equals("372.71828truenullsfun",

96 "${ifun()}${dfun()}${bfun()}${nfun()}${sfun()}");

97

98

99 // String contents around interpolated parts.

100 Expect.equals("stringstring", "$a$a");

101 Expect.equals("-stringstring", "-$a$a");

102 Expect.equals("string-string", "$a-$a");

103 Expect.equals("-string-string", "-$a-$a");

104 Expect.equals("stringstring-", "$a$a-");

105 Expect.equals("-stringstring-", "-$a$a-");

106 Expect.equals("string-string-", "$a-$a-");

107 Expect.equals("-string-string-", "-$a-$a-");

108

109 // Quotes as literals are included correctly..

110 Expect.equals("'42''42'", "'$b''$b'");

111 Expect.equals('"42""42"', '"$b""$b"');

112

113 // Nested string interpolation.

114 Expect.equals("string423.1415false", "${'${a}'}$b${'$c${d}'}");

115 // Quad-nested string interpolation.

116 Expect.equals("string423.1415false", "${'${a}${"${b}${'${c}${"$d"}'}"}'}");

117 // Lotsa-nested.

118 Expect.equals("42", "${'${"${'${"${'${"$b"}'}"}'}"}'}");

119 }

120

121

122 void main() {

123 testSimple();

124 testMultiLine();

125 testEscapes();

126 }

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